ENGINE PARTS / ACCESSORIES
Engine Parts/Accessories
Upgrade and maintain your engine with our wide selection of engine parts and accessories. Whether you need a new cylinder head gasket set, piston kit, valve cover gasket set, or a billet oil cap, we have everything you need to keep your engine running smoothly.
Our collection includes top-quality products from trusted brands like MAHLE and FLEECE, designed specifically for GM 6.6L Duramax engines. From resonator delete plates to high-flow intake horns, we have the parts you need to enhance the performance of your vehicle.
If you're looking to replace or upgrade your cylinder heads, we offer both remanufactured and freedom series cylinder heads for various models of the Duramax engine. Rest assured that you are getting a high-quality product that will meet your engine needs.
We also provide piston kits in different sizes to accommodate your engine's requirements. Whether you need a standard size or an overbore option, we have the right piston kit for your vehicle.
Shop our selection of engine parts and accessories to find everything you need to keep your engine in peak condition. With our durable and reliable products, you can trust that your engine will continue to perform at its best for years to come.
Upgrade and maintain your engine with our wide selection of engine parts and accessories. Whether you need a new cylinder head gasket set, piston kit, valve cover gasket set, or a billet oil cap, we have everything you need to keep your engine running smoothly.
Our collection includes top-quality products from trusted brands like MAHLE and FLEECE, designed specifically for GM 6.6L Duramax engines. From resonator delete plates to high-flow intake horns, we have the parts you need to enhance the performance of your vehicle.
If you're looking to replace or upgrade your cylinder heads, we offer both remanufactured and freedom series cylinder heads for various models of the Duramax engine. Rest assured that you are getting a high-quality product that will meet your engine needs.
We also provide piston kits in different sizes to accommodate your engine's requirements. Whether you need a standard size or an overbore option, we have the right piston kit for your vehicle.
Shop our selection of engine parts and accessories to find everything you need to keep your engine in peak condition. With our durable and reliable products, you can trust that your engine will continue to perform at its best for years to come.
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CAMSHAFTS
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CONNECTING RODS
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CRATE ENGINES
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CYLINDER HEADS
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EXHAUST MANIFOLDS
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EXTERNAL ENGINE COMPONENTS
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GASKETS & SEALS
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GIRDLE
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GLOW PLUGS
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HARMONIC DAMPER
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MAIN BEARINGS
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OIL PUMP
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PISTONS / RINGS
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PUSHRODS
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REBUILD KITS
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ROCKER ARMS
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ROD BEARINGS
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STUDS / BOLTS
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VALVE SPRINGS / RETAINERS
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PPE 116111835 MANIFOLDS AND UP-PIPES-SILVER FOR 07.5-10 DURAMAX 6.6L LMM
PACIFIC PERFORMANCE ENGINEERING
$1,788.7850 States Emissions Legal (E.O. D-701-34) PPE High-Flow Manifolds are made from cast, high-sil moly. The PPE Up-Pipe bellows are internally sleeved, made from aircraft-grade 304 stainless steel, and designed with increased inner diameter FOR higher flow...$1,788.78 -
PPE 116112035 MANIFOLDS AND UP-PIPES Y PIPE-SILVER FOR 11-16 GM 6.6L DURAMAX LML
PACIFIC PERFORMANCE ENGINEERING
$1,788.78Experience enhanced performance with the PPE 116112035 Manifolds and Up-Pipes Y Pipe-Silver designed FOR FOR 11-16 GM 6.6L Duramax LML. PPE High-Flow Manifolds, crafted from cast high-sil moly, and Up-Pipes featuring internally sleeved bellows made from...$1,788.78 -
PPE 116112520 MANIFOLDS AND UP-PIPES-BLACK FOR 17+ GM DURAMAX 6.6L L5P
PACIFIC PERFORMANCE ENGINEERING
$2,105.20Features: Significant reduction in exhaust back-pressure Lower EGTs, better turbo efficiency and fuel economy Sil-moly cast iron construction Two-inch Free-Flow up-pipes with sleeved bellows Up-pipes compatible with factory heat shields Exhaust...$2,105.20 -
PPE 116112535 MANIFOLDS AND UP-PIPES-SILVER FOR 17+ GM DURAMAX 6.6L L5P
PACIFIC PERFORMANCE ENGINEERING
$2,105.20Features: Significant reduction in exhaust back-pressure Lower EGTs, better turbo efficiency and fuel economy Sil-moly cast iron construction Two-inch Free-Flow up-pipes with sleeved bellows Up-pipes compatible with factory heat shields Exhaust...$2,105.20 -
PPE 118021400 VALVE COVER KIT - NO PILLARS FOR 04.5-10 GM DURAMAX 6.6L LLY/LBZ/LMM
PACIFIC PERFORMANCE ENGINEERING
$373.69Dress up your GM 6.6L Duramax diesel engine with upgraded PPE Billet Aluminum Valve Covers. Available with or without pillars, these new valve covers are precision machined from billet to an overall thickness of .75 Inch/19mm, 6061-T6 aluminum on a...$373.69 -
PPE 118021418 VALVE COVER KIT BLACK MATTE NO PILLARS FOR 04.5-10 GM DURAMAX 6.6L LLY/LBZ/LMM
PACIFIC PERFORMANCE ENGINEERING
$398.61Dress up your GM 6.6L Duramax diesel engine with upgraded PPE Billet Aluminum Valve Covers. Available with or without pillars, these new valve covers are precision machined from billet to an overall thickness of.75 Inch/19mm, 6061-T6 aluminum on a...$398.61 -
PPE 118021423 VALVE COVER KIT GOLD MATTE NO PILLARS FOR 04.5-10 GM DURAMAX 6.6L LLY/LBZ/LMM
PACIFIC PERFORMANCE ENGINEERING
$398.61Dress up your GM 6.6L Duramax diesel engine with upgraded PPE Billet Aluminum Valve Covers. Available with or without pillars, these new valve covers are precision machined from billet to an overall thickness of.75 Inch/19mm, 6061-T6 aluminum on a...$398.61 -
PPE 118021430 VALVE COVER KIT - POLISHED NO PILLARS FOR 04.5-10 GM DURAMAX 6.6L LLY/LBZ/LMM
PACIFIC PERFORMANCE ENGINEERING
$398.61Dress up your GM 6.6L Duramax diesel engine with upgraded PPE Billet Aluminum Valve Covers. Available with or without pillars, these new valve covers are precision machined from billet to an overall thickness of .75 Inch/19mm, 6061-T6 aluminum on a...$398.61 -
PPE 118034700 HEAD STUD KIT FOR 17-23 GM 6.6L DURAMAX L5P
PACIFIC PERFORMANCE ENGINEERING
$747.40Engine builders understand the need for high-strength holding power and fasteners that are precision-engineered to handle the extreme stresses that high-performance diesel engines produce. The PPE Head Stud Kit exceeds industry standards required by...$747.40 -
PPE 119000500 ENGINE COOLANT THERMOSTAT HOUSING FOR 01-07 GM 6.6L DURAMAX LB7/LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$373.69Corrosion is often seen on this stock part as they age out. This can lead to blockage and reduced cooling capability. Replace your corroded OEM thermostat housing bridge with the PPE high-strength, cast-aluminum Thermostat Housing. This high-quality...$373.69 -
PPE 119000510 ENGINE COOLANT THERMOSTAT HOUSING - SINGLE SENSOR FOR 07.5-10 GM 6.6L DURAMAX LMM
PACIFIC PERFORMANCE ENGINEERING
$373.69Corrosion is often seen on this stock part as they age out. This can lead to blockage and reduced cooling capability. Replace your corroded OEM thermostat housing bridge with the PPE high-strength, cast-aluminum Thermostat Housing. This high-quality...$373.69 -
PPE 119000515 ENGINE COOLANT THERMOSTAT HOUSING - DUAL SENSOR FOR 07.5-10 GM 6.6L DURAMAX LMM
PACIFIC PERFORMANCE ENGINEERING
$373.69Corrosion is often seen on this stock part as they age out. This can lead to blockage and reduced cooling capability. Replace your corroded OEM thermostat housing bridge with the PPE high-strength, cast-aluminum Thermostat Housing. This high-quality...$373.69 -
PPE 119000530 THERMOSTAT HOUSING COVER RAW FOR 01-04 GM DURAMAX 6.6L LB7
PACIFIC PERFORMANCE ENGINEERING
$149.47Rust is the enemy of your coolant system. Upgrade your rusty OEM thermostat housing cover with a Cast 304 Stainless Steel Thermostat Housing Cover from PPE. This direct bolt-on replacement adds style and function to your engine bay. The stainless steel...$149.47 -
PPE 119000533 THERMOSTAT HOUSING COVER POLISHED FOR 01-04 GM DURAMAX 6.6L LB7
PACIFIC PERFORMANCE ENGINEERING
$149.47Rust is the enemy of your coolant system. Upgrade your rusty OEM thermostat housing cover with a Cast 304 Stainless Steel Thermostat Housing Cover from PPE. This direct bolt-on replacement adds style and function to your engine bay. The stainless steel...$149.47 -
PPE 119000540 THERMOSTAT HOUSING COVER RAW FOR 04-10 GM 6.6L DURAMAX LLY/LMM
PACIFIC PERFORMANCE ENGINEERING
$149.47Rust is the enemy of your coolant system. Upgrade your rusty OEM thermostat housing cover with a Cast 304 Stainless Steel Thermostat Housing Cover from PPE. This direct bolt-on replacement adds style and function to your engine bay. The stainless steel...$149.47 -
PPE 119000543 THERMOSTAT HOUSING COVER LLY LBZ LMM - POLISHED FOR 04-10 GM 6.6L DURAMAX LLY/LBZ/LMM
PACIFIC PERFORMANCE ENGINEERING
$149.47Rust is the enemy of your coolant system. Upgrade your rusty OEM thermostat housing cover with a Cast 304 Stainless Steel Thermostat Housing Cover from PPE. This direct bolt-on replacement adds style and function to your engine bay. The stainless steel...$149.47 -
PPE 119000630 COOLANT BYPASS TUBE - WATER PUMP TO THERMOSTAT HOUSING FOR 01-10 GM 6.6L DURAMAX LB7/LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$161.93Features: Fully-polished 304 stainless steel CNC machined tube end Comes with two Viton O-rings VEHICLE FITMENT: 2005 GMC Sierra 3500HD 8 Cyl 6.6 Liter Turbo 2005 GMC Sierra 2500HD 8 Cyl 6.6 Liter Turbo 2005 Chevrolet Silverado 3500HD 8...$161.93 -
PPE 119000730 COOLANT BYPASS TUBE - WATER PUMP TO THERMOSTAT HOUSING FOR 01-10 GM 6.6L DURAMAX LB7/LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$161.93Specifically designed FOR use with the factory water pump. Fully polished 304 stainless steel construction looks great and prevents corrosion. The OEM mild steel pipe rusts and eventually leaks. Features: Fully-polished 304 stainless steel CNC...$161.93 -
PPE 119000820 COOLANT BLOCK-OFF PLATE - BILLET ALUMINUM - BLACK FOR 01-20 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML/L5P
PACIFIC PERFORMANCE ENGINEERING
$74.73The OEM block off plate uses a gasket and can leak over time. The PPE billet block off plate is thicker and uses an O-ring seal. The O-ring is made from Viton more maximum longevity. The PPE billet block off plate installs using the OEM fasteners. PART...$74.73 -
PPE 119001000 ENGINE COOLANT RETURN PIPE-304SS RAW FOR 01-04 GM DURAMAX 6.6L LB7
PACIFIC PERFORMANCE ENGINEERING
$124.56Specifically designed FOR use in conjunction with the factory thermostat housing. 304 stainless steel construction prevents corrosion compared with OEM mild steel pipe which is prone to rusting and eventually leaking. Allows FOR installation of factory...$124.56 -
PPE 119001030 ENGINE COOLANT RETURN PIPE-304SS POLISHED FOR 01-04 GM DURAMAX 6.6L LB7
PACIFIC PERFORMANCE ENGINEERING
$137.01Specifically designed FOR use in conjunction with the factory thermostat housing. 304 stainless steel construction prevents corrosion compared with OEM mild steel pipe which is prone to rusting and eventually leaking. Allows FOR installation of factory...$137.01 -
PPE 119001100 ENGINE COOLANT RETURN PIPE-304SS RAW FOR 04-05 GM DURAMAX 6.6L LLY
PACIFIC PERFORMANCE ENGINEERING
$124.56Specifically designed FOR use in conjunction with the factory thermostat housing. 304 stainless steel construction prevents corrosion compared with OEM mild steel pipe which is prone to rusting and eventually leaking. Allows FOR installation of factory...$124.56 -
PPE 119001130 ENGINE COOLANT RETURN PIPE-304SS POLISHED FOR 04-05 GM DURAMAX 6.6L LLY
PACIFIC PERFORMANCE ENGINEERING
$137.01Specifically designed FOR use in conjunction with the factory thermostat housing. 304 stainless steel construction prevents corrosion compared with OEM mild steel pipe which is prone to rusting and eventually leaking. Allows FOR installation of factory...$137.01 -
PPE 119001200 ENGINE COOLANT RETURN PIPE 304SS RAW FOR 06-07 GM DURAMAX 6.6L LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$124.56Specifically designed FOR use in conjunction with the factory thermostat housing. 304 stainless steel construction prevents corrosion compared with OEM mild steel pipe which is prone to rusting and eventually leaking. Allows FOR installation of factory...$124.56 -
PPE 119001230 ENGINE COOLANT RETURN PIPE-304SS POLISHED FOR 06-10 GM DURAMAX 6.6L LBZ/LMM
PACIFIC PERFORMANCE ENGINEERING
$137.01Specifically designed FOR use in conjunction with the factory thermostat housing. 304 stainless steel construction prevents corrosion compared with OEM mild steel pipe which is prone to rusting and eventually leaking. Allows FOR installation of factory...$137.01 -
PPE 119020009 HEATER HOSE CONNECTOR-STAINLESS STEEL FOR 01-16 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
PACIFIC PERFORMANCE ENGINEERING
$31.13The plastic HVAC heater hose connectors are a common failure point when the older part fatigues from heat and vibration. This PPE Stainless Steel Heater Hose Connector will provide excellent durability and corrosion resistance for the life of your...$31.13 -
PPE 119030100 COOLANT TUBE PUMP TO OIL COOLER 304 STAINLESS STEEL RAW FOR 01-23 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML/L5P
PACIFIC PERFORMANCE ENGINEERING
$274.04The PPE 119030100 Coolant Tube Pump to Oil Cooler is a top-quality performance upgrade designed FOR the FOR 01-23 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML/L5P models. Crafted from durable 304 stainless steel, this custom coolant pipe boasts superior corrosion...$274.04 -
PPE 119030130 COOLANT TUBE PUMP TO OIL COOLER 304 STAINLESS STEEL POLISHED FOR 01-23 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML/L5P
PACIFIC PERFORMANCE ENGINEERING
$274.04Specifically designed for use in conjunction with the factory oil cooler filter housing. This coolant pipe is custom fabricated with a heavy-duty flange. 304 stainless steel construction prevents corrosion compared with OEM mild steel...$274.04 -
PPE 119100100 FAN CLUTCH DELETE NUT FOR 01-22 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML/L5P
PACIFIC PERFORMANCE ENGINEERING
$49.81The PPE 119100100 Fan Clutch Delete Nut is a premium automotive accessory designed to enhance the performance of FOR 01-22 GM 6.6L Duramax engines. Compatible with Duramax LB7, LLY, LBZ, LMM, LML, and L5P models, this meticulously crafted delete nut...$49.81 -
PPE 149000124 HEAT / SOUND INSULATOR FIREWALL-GOLD FOR 01-07 GM 6.6L DURAMAX LB7/LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$373.69Diesel engines produce a lot of heat, especially in high-output situations like towing, racing, and light-to-light driving. Time to upgrade your tattered, dirty firewall insulation with the brand new PPE Insulator Firewall. Create a barrier between you...$373.69 -
PPE 149000135 HEAT / SOUND INSULATOR FIREWALL-SILVER FOR 01-07 GM 6.6L DURAMAX LB7/LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$373.69Diesel engines produce a lot of heat, especially in high-output situations like towing, racing, and light-to-light driving. Time to upgrade your tattered, dirty firewall insulation with the brand new PPE Insulator Firewall. Create a barrier between you...$373.69 -
PPE 149002000 HEAT SHIELD BATTERY SIDE POST GOLD UNIVERSAL
PACIFIC PERFORMANCE ENGINEERING
$37.36Fits 2001-2007 GM Duramax LB7, LLY, LBZ Fits group 24, 34, 36R, 40R, 41, 64, 74, 78, 91, and 98R Batteries with side terminals, which are equivalent to batteries with 32.5 Inch - 37 Inch circumference. Full dimensions (LxWxH): 37.5 Inch x 6.25 Inch...$37.36 -
PPE 168030140 ENGINE MOUNT KIT - 40 HARDNESS BLUE FOR 01-10 GM 6.6L DURAMAX LB7/LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$373.69Stock engine mounts fail over time as bushings deteriorate. This causes vibration and engine noise to become more pronounced. Degradation is accelerated in high-power engine applications. PPE High-performance Silicone Engine Mount Kits are engineered to...$373.69 -
PPE 168030144 SILICONE BUSHINGS - 40 HARDNESS BLUE FOR 01-10 GM 6.6L DURAMAX LB7/LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$112.10Silicone Bushings - 40 HardnessThe PPE 168030144 Silicone Bushings offer an exceptional upgrade FOR your GM 6.6L Duramax LB7/LLY/LBZ models from 2001 to 2010, ensuring optimal performance and longevity. Crafted from high-quality silicone material with a...$112.10 -
PPE 168030150 ENGINE MOUNT KIT 50 HARDNESS GREEN FOR 01-10 GM 6.6L DURAMAX LB7/LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$373.69Stock engine mounts fail over time as bushings deteriorate. This causes vibration and engine noise to become more pronounced. Degradation is accelerated in high-power engine applications. PPE High-performance Silicone Engine Mount Kits are engineered to...$373.69 -
PPE 168030154 SILICONE BUSHINGS - 50 HARDNESS GREEN FOR 01-10 GM 6.6L DURAMAX LB7/LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$112.10Silicone Bushings - 50 Hardness The PPE 168030154 Silicone Bushings are engineered FOR exceptional performance and durability, designed specifically FOR FOR 01-10 GM 6.6L Duramax engines (LB7, LLY, LBZ). Crafted from high-quality silicone material with a...$112.10 -
PPE 168030160 ENGINE MOUNT KIT 60 HARDNESS YELLOW FOR 01-10 GM 6.6L DURAMAX LB7/LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$373.69Stock engine mounts fail over time as bushings deteriorate. This causes vibration and engine noise to become more pronounced. Degradation is accelerated in high-power engine applications. PPE High-performance Silicone Engine Mount Kits are engineered to...$373.69 -
PPE 168030164 HIGH-PERFORMANCE SILICONE BUSHING - 60 HARDNESS YELLOW FOR 01-10 GM 6.6L DURAMAX LB7/LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$112.10High-performance Silicone Bushing - 60 Hardness Yellow The PPE 168030164 High-performance Silicone Bushing is engineered specifically to enhance the durability and performance of your FOR 01-10 GM 6.6L Duramax LB7/LLY/LBZ engines. Crafted from...$112.10 -
PPE 168030170 ENGINE MOUNT KIT 70 HARDNESS RED FOR 01-10 GM 6.6L DURAMAX LB7/LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$373.69Stock engine mounts fail over time as bushings deteriorate. This causes vibration and engine noise to become more pronounced. Degradation is accelerated in high-power engine applications. PPE High-performance Silicone Engine Mount Kits are engineered to...$373.69 -
PPE 168030174 HIGH-PERFORMANCE SILICONE BUSHING - 70 HARDNESS RED FOR 01-10 GM 6.6L DURAMAX LB7/LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$112.10Silicone Bushings - 70 Hardness The PPE 168030174 High-performance Silicone Bushing is a crucial enhancement FOR those seeking superior durability and performance in their GM 6.6L Duramax LB7, LLY, or LBZ models manufactured between 2001 and 2010...$112.10 -
WEHRLI WCF100134 2020-2024 L5P DURAMAX WCFAB X PPE HIGH-CAPACITY CAST ALUMINUM ENGINE OIL PAN
WEHRLI CUSTOM FABRICATION
$683.37The WEHRLI WCF100134 2020-2024 L5P Duramax WCFab X PPE High-Capacity Cast Aluminum Engine Oil Pan is the ultimate solution for enhancing your vehicle's engine performance and durability. Say goodbye to the inefficient stock oil pan and hello to the...$683.37 -
WEHRLI WCF100133 2017-2019 L5P DURAMAX WCFAB X PPE HIGH-CAPACITY CAST ALUMINUM ENGINE OIL PAN
WEHRLI CUSTOM FABRICATION
$669.95Experience superior oil control and engine performance with the WEHRLI WCF100133 2017-2019 L5P DURAMAX WCFab X PPE High-Capacity Cast Aluminum Engine Oil Pan. Enhance your vehicle's capabilities by swapping out the inefficient stock oil pan with this...$669.95 -
WEHRLI WCF 100132 2011-2016 LML DURAMAX WCFAB X PPE HIGH-CAPACITY CAST ALUMINUM ENGINE OIL PAN
WEHRLI CUSTOM FABRICATION
$549.11The WEHRLI WCF 100132 2011-2016 LML DURAMAX WCFAB X PPE HIGH-CAPACITY CAST ALUMINUM ENGINE OIL PAN is the premium solution to replace the inefficient stock oil pan in your 2011-2016 LML Duramax engine. This high-capacity cast aluminum pan is meticulously...$549.11 -
WEHRLI WCF100131 2001-2010 LB7/LLY/LBZ/LMM DURAMAX WCFAB X PPE HIGH-CAPACITY CAST ALUMINUM OIL PAN
WEHRLI CUSTOM FABRICATION
$508.84The WEHRLI WCF100131 2001-2010 LB7/LLY/LBZ/LMM Duramax WCFab X PPE High-Capacity Cast Aluminum Oil Pan offers a superior solution to upgrade your vehicle. Designed to replace the stock steel oil pan, this product features a flat bottom high-capacity...$508.84 -
ATS 204-900-4248 PULSE FLOW EXHAUST MANIFOLD KIT FOR 01-04 GM 2500HD/3500HD WITH 6.6L DURAMAX
ATS DIESEL
$1,458.68ATS Pulse Flow Exhaust Manifolds for the 2001 to 2004 6.6L Duramax offer far less restriction than stock manifolds and up-pipes. Channel areas were increased dramatically resulting in a 26 percent increase in airflow. Not only will the Pulse Flow...$1,458.68 -
AFE 46-71080A STREET SERIES ENGINE OIL PAN RAW W/ MACHINED FOR 11-16 GM 6.6L DURAMAX
AFE POWER
$602.08The aFe 46-71080A Street Series Engine Oil Pan is here to revolutionize the way you care for your GM Diesel Trucks V8-6.6L (td) from 2011 to 2016. With an increased oil capacity of approximately one quart over the stock pan, this oil pan ensures better...$602.08 -
AFE 46-71070A STREET SERIES ENGINE OIL PAN RAW W/ MACHINED FOR 01-10 GM DURAMAX 6.6L
AFE POWER
$602.08The aFe POWER Street Series Engine Oil Pan Raw w/ Machined Fins for GM Diesel Trucks 01-10 V8-6.6L (td) is a superior upgrade for your vehicle’s oil system. With a focus on increased performance and protection, this oil pan offers advanced features to...$602.08 -
AFE 79-12002 OIL CAP - OVERSTOCK GM DIESEL TRUCKS 01-16 V8-6.6L
AFE POWER
$117.65Transform your engine's appearance with the aFe 79-12002 Oil Cap, designed specifically for GM Diesel Trucks from 2001 to 2016 with V8 6.6L (td) engines. This innovative oil cap blends style and functionality, making it a must-have upgrade for any truck...$117.65 -
AFE 46-71080B PRO SERIES ENGINE OIL PAN BLACK W/ MACHINED FOR 11-16 GM 6.6L DURAMAX
AFE POWER
$661.84Enhance the performance and longevity of your GM Diesel Truck with the AFE 46-71080B aFe POWER Pro Series Engine Oil Pan. Designed to optimize your engine's oil capacity, this oil pan offers approximately one quart more capacity than the stock pan,...$661.84 -
AFE 46-71070B PRO SERIES ENGINE OIL PAN BLACK W/ MACHINED FOR 01-10 GM DURAMAX 6.6L
AFE POWER
$661.84The aFe POWER Pro Series Engine Oil Pan in Black with Machined Fins is a top-of-the-line upgrade designed specifically for GM Diesel Trucks from 2001 to 2010 with a V8-6.6L engine. This premium oil pan offers a range of innovative features to optimize...$661.84 -
BD DIESEL 1041460 EXHAUST MANIFOLD DRIVERS SIDE FOR 01-10 GM 2500HD/3500HD 4X4 WITH 6.6L DURAMAX
BD DIESEL
$272.60The BD Diesel 1041460 Exhaust Manifold, specifically designed for the 2001-2010 GM Duramax 6.6L LB7 / LLY / LBZ / LMM engines, brings a new level of performance to your vehicle. This premium upgrade replaces the factory driver's side manifold, known for...$272.60 -
AFE POWER 44- LF001 PRO GUARD HD OIL FILTER FOR 01-19 GM 6.6L DURAMAX
AFE POWER
$32.46The AFE POWER 44-LF001 Pro GUARD HD Oil Filter is designed to meet the rigorous demands of diesel engines, specifically tailored for 2001-2019 GMC Duramax 6.6L models. Elevating oil filtration standards, this high-performance filter ensures optimal...$32.46 -
BD DIESEL 1050141 FUEL INJECTOR INSTALL KIT FOR 01-04 GM 2500HD/3500HD 4X4 WITH 6.6L LB7 DURAMAX
BD DIESEL
$1,132.12The BD Diesel 1050141 Fuel Injector Install Kit for 2001-2004 GM Duramax 6.6L LB7 engines is a comprehensive kit designed to simplify the process of injector installation. This all-in-one kit includes essential components such as an injector line set,...$1,132.12 -
GATOR FASTENERS HDB66 HARMONIC DAMPER BOLT 2001-2019 DURAMAX 6.6L LB7/LLY/LBZ/LMM/LML
GATOR FASTENERS
$41.51The GATOR FASTENERS HDB66 HARMONIC DAMPER BOLT is a crucial component designed specifically for Chevrolet and GMC 6.6L Duramax engines manufactured between 2001 and 2019. This powerhouse of a bolt ensures that your vehicle's harmonic damper remains...$41.51 -
GATOR FASTENERS HSK6265 HEAVY DUTY HEAD STUD KIT 1982-2000 GM DIESEL 6.2L/6.5L
GATOR FASTENERS
$401.38The GATOR FASTENERS HSK6265 HEAVY DUTY HEAD STUD KIT is the ultimate solution for maintaining the longevity and durability of your 1982-2000 GM Diesel 6.2L/6.5L engine. Designed to outperform standard head bolts, these upgraded head studs are essential...$401.38 -
GATOR FASTENERS HSK66 HEAVY DUTY HEAD STUD KIT 2001-2016 GM DURAMAX LB7/LLY/LBZ/LMM/LML
GATOR FASTENERS
$726.64The Gator Fasteners HSK66 Heavy Duty Head Stud Kit is the ultimate solution for maintaining the longevity and performance of your 6.6L Duramax engine from 2001 to 2016. By upgrading your head bolts to these high-quality head studs, you can ensure that...$726.64 -
GATOR FASTENERS HSK66L5P HEAVY DUTY HEAD STUD KIT 2017-2021 GM DURAMAX 6.6L L5P
GATOR FASTENERS
$795.84Improve the performance and durability of your 6.6L Duramax engine with the GATOR FASTENERS HSK66L5P Heavy Duty Head Stud Kit designed specifically for the 2017-2021 GM Duramax L5P diesel engine. Say goodbye to worrying about your truck's head gaskets...$795.84 -
GATOR FASTENERS MSK667Y HEAVY DUTY MAIN STUD KIT 2001-2005 GM DURAMAX 6.6L LB7/LLY
GATOR FASTENERS
$325.25The Gator Fasteners MSK667Y Heavy Duty Main Stud Kit for 2001-2005 GM Duramax 6.6L LB7/LLY engines is the ultimate solution for ensuring a secure hold on your engine's bottom end. Whether you're working on a powerful tow rig, a race truck, or your trusty...$325.25 -
GATOR FASTENERS MSK66ZM HEAVY DUTY MAIN STUD KIT 2006-2010 GM DURAMAX 6.6L LLY/LBZ/LMM
GATOR FASTENERS
$325.25Gator Fasteners MSK66ZM Heavy Duty Main Stud Kit is the ultimate solution for reinforcing and securing the bottom end of your 6.6L Duramax engine. Whether you're looking to enhance the performance of your tow rig, race truck, or daily driver, these main...$325.25 -
GATOR FASTENERS RBK66 HEAVY DUTY ROD BOLT KIT 2001-2010 GM DURAMAX LB7/LLY/LBZ/LMM
GATOR FASTENERS
$290.65The GATOR FASTENERS RBK66 HEAVY DUTY ROD BOLT KIT is the ultimate solution for maintaining the longevity and reliability of your 2001-2010 GM Duramax LB7/LLY/LBZ/LMM Silverado/Sierra 2500/3500 6.6L engine. Crafted with precision and durability in mind,...$290.65 -
BANKS 51007 RACING EXHAUST MANIFOLD RACE PORTED 1.77 INCH X 1.58 INCH INLET PORTED 2.12 INCH OUTLET FOR 01-16 GM DURAMAX 6.6LLBZ-LML
BANKS
$1,114.98Part of the Banks Racing line. The best purpose-built cast exhaust manifolds created for racing the Duramax engine. Provides tremendous flow and uniform air distribution. If you are a racer and have an LBZ-LML 6.6L Duramax, Gale Banks Engineering offers...$1,114.98 -
BANKS 42737 BIG HOSS RACING INTAKE MANIFOLD SYSTEM NATURAL FOR 01-16 GM DURAMAX 6.6L LB7/LLY/LBZ/LMM/LML
BANKS
$3,197.27#N/A$3,197.27 -
BD DIESEL 1036758 E-PAS POSITIVE AIR SHUT-OFF FOR 07.5-15 DURAMAX
BD DIESEL
$997.87The BD Diesel 1036758 E-PAS Positive Air Shut-Off is your safeguard against the rare but potentially catastrophic Diesel Engine Runaway phenomenon. Just as you have measures in place for other emergencies, this electronic device offers peace of mind by...$997.87 -
CPP 220 AMP ALTERNATOR HIGH OUTPUT FOR 01-07 GM 2500/3500HD WITH DURAMAX ENGINE
CPP DIESEL
$415.16The CPP CPP224 220 Amp Alternator is an essential upgrade for your 2001-2007 GM 2500/3500HD equipped with a Duramax engine, especially if you're looking to enhance your vehicle's electrical performance. Designed to meet the demands of various aftermarket...$415.16 -
CPP GEAR REDUCTION STARTER FOR 01-16 GM 2500/3500HD WITH 6.6L DURAMAX ENGINE
CPP DIESEL
$415.16You can rely on the CPP HD Gear Reduction Starter CPP251 to get your 2001-2019 GM 6.6L Duramax running in the most extreme environments. CPP's HD Gear Reduction Starters are fast, strong, and durable to give you the ability to turn over even the most...$415.16 -
WEHRLI WCF100373 17-22 L5P DURAMAX BILLET EXHAUST MANIFOLD KIT W/ GASKETS AND ARP HARDWARE
WEHRLI CUSTOM FABRICATION
$2,007.15WCFab’s 2017-2025 Duramax Billet Exhaust Manifolds with EGR Riser Flange replace the restrictive factory cast parts with high-strength, TIG-welded high-flow billet steel components designed to enhance exhaust flow characteristics, improving turbo...$2,007.15 -
WEHRLI WCF100363 01-16 CHEVROLET DURAMAX EXHAUST MANIFOLD KIT W/ GASKETS & HARDWARE
WEHRLI CUSTOM FABRICATION
$1,784.28WCFab’s 2001-2016 Duramax Billet Exhaust Manifolds replace the restrictive factory cast parts with high-strength, TIG-welded high-flow billet steel components designed to enhance exhaust flow characteristics, improving turbo spool up, lowering EGTs...$1,784.28 -
WEHRLI WCF100189 04.5-2010 DURAMAX LLY/LBZ/LMM CRANKCASE VENT (PCV) FITTING KIT - BILLET BLACK ANODIZED
WEHRLI CUSTOM FABRICATION
$61.76Replace the fragile plastic OEM fittings on the top of your 2004.5-2010 LLY/LBZ/LMM Duramax engine which are prone to damage with these high quality, black anodized, CNC machined billet aluminum fittings from WCFab. No tuning required. - Kit includes...$61.76 -
WEHRLI WCF100443 2001+ GM DURAMAX LB7/LLY/LBZ/LMM/LML/L5P BILLET OIL FILL CAP - BLACK ANODIZED
WEHRLI CUSTOM FABRICATION
$68.47Clean up the engine bay of your 2001-2025 Chevy Silverado or GMC Sierra 2500 / 3500 truck equipped with the 6.6L Duramax with this Billet Aluminum Black Anodized Oil Fill Cap from WCFab. This is a complete cap, not a cover. Direct OEM replacement for the...$68.47 -
WEHRLI WCF100442 2001+ GM DURAMAX LB7/LLY/LBZ/LMM/LML/L5P BILLET OIL FILL CAP - CLEAR ANODIZED
WEHRLI CUSTOM FABRICATION
$68.47Clean up the engine bay of your 2001-2025 Chevy Silverado or GMC Sierra 2500 / 3500 6.6L truck equipped with the 6.6L Duramax with this Billet Aluminum Clear Anodized Oil Fill Cap from WCFab. This is a complete cap, not a cover. Direct OEM replacement...$68.47 -
WEHRLI WCF100796 06-10 LBZ/LMM DURAMAX MAP SENSOR SEAL & BRACKET
WEHRLI CUSTOM FABRICATION
$21.48Map Sensor Seal and Bracket used on LB7/LBZ/LMM's when installing WCFab Y-bridge or turbo kits. If your Map sensor is connected to your intake manifold via a hose and IS NOT directly bolted to the intake manifold, then you will need this seal and bracket...$21.48 -
FLEECE FPE-HAR-MU-PT-1 REPLACEMENT SENSOR CONNECTOR WITH PIGTAIL FOR L5P DURAMAX AND GM VEHICLES (L5P DURAMAX SENSOR PIGTAIL 1)
FLEECE PERFORMANCE
$52.58Replacement connector with 4.5 inch pigtail for use in multiple locations on the Duramax, Ram with Cummins, and other GM vehicles. Produced in-house, our manufacturing process includes fully automated wire cutting and terminal crimping to ensure you get...$52.58 -
FLEECE FPE-HAR-CP3-EXT CP3 REGULATOR EXTENSION HARNESS FOR 11-16 6.6L DURAMAX FLEECE
FLEECE PERFORMANCE
$41.51Regulator extension harness for use with Bosch CP3's used in 6.6L Duramax applications.$41.51 -
FLEECE FPE-DMAX-OC-BLU 2001-2016 DURAMAX OIL CAP BLUE
FLEECE PERFORMANCE
$55.35Dress up your engine bay with our billet aluminum oil cap for the Chevy Duramax! Includes o-ring and cam-lock and is a direct replacement for your OEM cover. 2001-2016 Duramax Oil Cap Blue DETAILED FITMENT: 2001-2005 Chevrolet Silverado...$55.35 -
FLEECE FPE-BRAB-D1 32V DURAMAX ROCKER BRIDGES
FLEECE PERFORMANCE
$709.41Fleece Performance billet rocker arm bridges for the GM Duramax. These bridges offer a massive 2.5-time strength improvement over factory bridges. Machined from billet 8620 steel, the bridges are surface ground for flatness, feature improved oiling to...$709.41 -
AFE POWER 46-70342 PRO SERIES EXTRA DEEP ENGINE OIL PAN FOR 11-16 GM 6.6L DURAMAX
AFE POWER
$730.58The AFE Power 46-70342 Pro Series Extra Deep Engine Oil Pan is a revolutionary upgrade designed specifically for 2011-2016 GM 6.6L Duramax diesel engines, requiring a minimum 6-inch lift for proper fitment. Engineered with high-performance in mind, this...$730.58 -
AFE POWER 46-70330 STREET SERIES EXTRA DEEP ENGINE OIL PAN FOR 01-10 GM 6.6L DURAMAX
AFE POWER
$661.84Enhance the performance and durability of your 2001-2010 GM Duramax engine with the aFe Power 46-70330 Street Series Extra Deep Engine Oil Pan. Designed specifically for trucks with a minimum 6-inch lift, this premium oil pan is crafted from heavy-duty...$661.84 -
AFE POWER 46-70340 STREET SERIES EXTRA DEEP RAW ENGINE OIL PAN FOR 11-16 GM 6.6L DURAMAX
AFE POWER
$661.84Enhance the performance and longevity of your GM Duramax engine with the AFE Power 46-70340 Street Series Engine Oil Pan. Designed specifically for 2011-2016 GM 6.6L Duramax models, this oil pan is an essential upgrade for trucks with a minimum 6-inch...$661.84 -
AFE POWER 48-34009-PK TWISTED STEEL UP-PIPES & EXHAUST MANIFOLDS FOR 01-04 GM 6.6L DURAMAX LB7 W/FEDERAL EMISSIONS
AFE POWER
$1,760.10Enhance the performance and efficiency of your 2001-2004 GM 6.6L Duramax LB7 with the AFE POWER 48-34009-PK Twisted Steel Up-Pipes & Exhaust Manifolds. Designed to outflow factory exhaust manifolds by an impressive 6%, these up-pipes significantly...$1,760.10 -
AFE POWER 46-40024 BLADERUNNER PORTED DUCTILE IRON EXHAUST MANIFOLD FOR 01-16 GM DURAMAX 6.6L
AFE POWER
$929.24The AFE Power 46-40024 BladeRunner Ported Ductile Iron Exhaust Manifold is designed to enhance the performance and efficiency of GM diesel trucks from 2001 to 2016 with the V8-6.6L (TD) engine, including popular models like GMC Sierra and Chevrolet...$929.24 -
AFE POWER 46-80003 BLADERUNNER UNIVERSAL ENGINE/TRANSMISSION OIL COOLER KIT 10" X 2" X 4-3/4"
AFE POWER
$379.96The AFE POWER 46-80003 BladeRunner Oil Cooler Kit is engineered to enhance the cooling capabilities of your vehicle’s engine or transmission, ensuring optimal performance in demanding conditions. Measuring 10 inches in length, 2 inches in width, and...$379.96 -
AFE POWER 46-70332 PRO SERIES ENGINE OIL PAN FOR 01-10 DURAMAX 6.6L
AFE POWER
$730.58aFe Power presents the ultimate solution for GM Duramax engine protection with the 46-70332 Pro Series Engine Oil Pan. Specifically designed for 2001-2010 V8-6.6L TD models, this oil pan is a performance powerhouse. Crafted from high-quality cast...$730.58 -
AFE POWER 46-80002 BLADERUNNER UNIVERSAL ENGINE/TRANSMISSION OIL COOLER KIT 10" X 2" X 3-1/2"
AFE POWER
$294.51The aFe Power 46-80002 BladeRunner Oil Cooler Kit is engineered for high-performance applications where optimal cooling is paramount. This robust kit measures 10 inches in length, 2 inches in width, and stands 3.5 inches tall, making it an ideal solution...$294.51 -
AFE POWER 46-80004 BLADERUNNER UNIVERSAL ENGINE/TRANSMISSION OIL COOLER KIT 10" X 2" X 8"
AFE POWER
$444.06The AFE POWER 46-80004 BladeRunner Oil Cooler Kit is the ultimate solution for enhancing your vehicle's thermal management. Designed to provide an additional cooling layer for both engine and transmission, this robust oil cooler is engineered to perform...$444.06 -
FLEECE FPE-DMAX-OCADPT GM DURAMAX OIL COOLER ADAPTER KIT
FLEECE PERFORMANCE
$137.03Problem: The original equipment oil cooler adapter relies on a metal gasket on the oil cooler that over time is prone to leaking as the cooler flexes. Fix: The Fleece Performance oil cooler adapter utilizes an integral square cut seal ring on the oil...$137.03 -
MISHIMOTO MMODP-1415B MAGNETIC OIL DRAIN PLUG M14 X 1.5, BLACK 01-16 DURAMAX 12-16 POWERSTROKE
MISHIMOTO
$26.23Enhance the longevity and performance of your engine with the Mishimoto MMODP-1415B Magnetic Oil Drain Plug M14 x 1.5 in sleek black. Say goodbye to bearing damage and harmful metallic fragments circulating in your engine oil with this innovative...$26.23 -
PPE 149000105 HEAT/SOUND INSULATOR FIREWALL-BLACK FOR 01-07 GM 6.6L DURAMAX LB7/LLY
PACIFIC PERFORMANCE ENGINEERING
$373.69Diesel engines produce a lot of heat, especially in high-output situations like towing, racing, and light-to-light driving. Time to upgrade your tattered, dirty firewall insulation with the brand new PPE Insulator Firewall. Create a barrier between you...$373.69 -
PPE 118034300 HEAD STUD KIT FOR 01-16 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
PACIFIC PERFORMANCE ENGINEERING
$747.40Engine builders understand the need for high-strength holding power and fasteners that are precision-engineered to handle the extreme stresses that high-performance diesel engines produce. The PPE Head Stud Kit exceeds industry standards required by...$747.40 -
PPE 114003000 BILLET ALUMINUM ENGINE OIL FILLER CAP FOR 01-16 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
PACIFIC PERFORMANCE ENGINEERING
$43.59Now you can dress up your truck’s engine bay and virtually eliminate oil cap blow-off. This new billet milled aluminum Oil Filler Cap features an easy grip to assist you when installing and removing between tight engine spaces. It’s also been...$43.59 -
PPE 114003005 VITON O-RING FOR OIL FILL CAP FOR 01-16 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
PACIFIC PERFORMANCE ENGINEERING
$7.46Enhance the performance of your FOR 01-16 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML diesel truck with the PPE 114003005 Viton O-Ring FOR Oil Fill Cap. This precision-engineered O-ring from PPE® is designed to provide a perfect seal FOR your oil fill cap,...$7.46 -
PPE 118062030 UP-PIPE GASKETS (4 PCS) FOR 01-16 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
PACIFIC PERFORMANCE ENGINEERING
$37.36Product Name: PPE 118062030 UP-PIPE GASKETS (4 PCS) FOR 01-16 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML This 4-piece kit is constructed of multi-layered 301 stainless steel. The rolled edges create a tight seal at the manifold and turbo inlets. PPE...$37.36 -
PPE 118062020 HIGH-PERFORMANCE MANIFOLD OVERSIZE PORT GASKETS (2 PCS) FOR 01-16 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
PACIFIC PERFORMANCE ENGINEERING
$27.39Enhance the performance of your FOR 01-16 6.6L GM Duramax engine with the PPE 118062020 High-performance Manifold Oversize Port Gaskets. This set includes 2 pieces of meticulously crafted 304 SS Exhaust Manifold Gaskets designed to optimize your truck's...$27.39 -
PPE 114001050 COOLANT TUBE KIT FOR INTERNAL OIL COOLER DELETE FOR 01-16 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
PACIFIC PERFORMANCE ENGINEERING
$249.12The PPE 114001050 Coolant Tube Kit is a precision-engineered solution designed to complement the PPE Internal Oil Cooler Delete Kit FOR FOR 01-16 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML engines. Crafted from high-quality 304 stainless steel, this kit ensures...$249.12 -
PPE 118062010 HIGH-PERFORMANCE MANIFOLD STANDARD PORT GASKETS (2 PCS) FOR 01-16 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
PACIFIC PERFORMANCE ENGINEERING
$27.39Creates a tight seal between the Exhaust Manifolds and 6.6L GM Duramax engine. Two piece kit features multi-layered 301 stainless steel, PPE Manifold Gaskets are designed to fit both PPE High-Flow Exhaust Manifolds and GM OEM manifolds. GM part...$27.39 -
PPE 114028000 TUBING KIT FOR CRANKCASE BREATHER SET FOR 04.5-10 GM 6.6L DURAMAX LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$49.81Tubing Kit FOR Crankcase Breather Set Crankcase Breather Tubing Kit by PPE®. Rubber tubing kit to complete installation. This product is made of high-quality materials to serve you FOR years to come. Designed using state-of-the-art technology...$49.81 -
PPE 114020000 PCV CRANKCASE BREATHER REPAIR FITTINGS (SET OF 2) FOR 04.5-10 GM 6.6L DURAMAX LLY/LBZ/LMM
PACIFIC PERFORMANCE ENGINEERING
$37.36PPE Crankcase Breather Repair Fittings are made from machined billet aluminum and replace stock composite plastic fittings. Composite plastic can become brittle and fail. These fittings allow you to repair your stock breather system. These fittings are...$37.36 -
PPE 114052000 HIGH CAPACITY CAST ALUMINUM DEEP ENGINE OIL PAN FOR 01-10 GM 6.6L DURAMAX LB7/LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$361.24Ditch the grit. Get rid the dirtiest oil left in the valley of your stock pan from all your previous oil changes. The stock Duramax engine oil pan is stamped steel (very poor heat dissipation) and there is a valley in the pan which prevents your old oil...$361.24 -
PPE 114052020 HIGH CAPACITY CAST ALUMINUM DEEP OIL PAN-BLACK FOR 01-10 GM 6.6L DURAMAX LB7/LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$386.15Ditch the grit. Get rid the dirtiest oil left in the valley of your stock pan from all your previous oil changes. The stock Duramax engine oil pan is stamped steel (very poor heat dissipation) and there is a valley in the pan which prevents your...$386.15 -
PPE 114052100 HIGH CAPACITY CAST ALUMINUM DEEP OIL PAN-RAW FOR 11-16 GM 6.6L DURAMAX LML
PACIFIC PERFORMANCE ENGINEERING
$398.61Ditch the grit. Get rid the dirtiest oil left in the valley of your stock pan from all your previous oil changes. The stock Duramax engine oil pan is stamped steel (very poor heat dissipation) and there is a valley in the pan which prevents your old oil...$398.61 -
PPE 114052120 HIGH CAPACITY CAST ALUMINUM OIL PAN-BLACK FOR 11-16 GM 6.6L DURAMAX LML
PACIFIC PERFORMANCE ENGINEERING
$423.52Ditch the grit. Get rid the dirtiest oil left in the valley of your stock pan from all your previous oil changes. The stock Duramax engine oil pan is stamped steel (very poor heat dissipation) and there is a valley in the pan which prevents your old oil...$423.52