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.
-
CAMSHAFTS
-
CONNECTING RODS
-
CRATE ENGINES
-
CYLINDER HEADS
-
EXHAUST MANIFOLDS
-
EXTERNAL ENGINE COMPONENTS
-
GASKETS & SEALS
-
GIRDLE
-
GLOW PLUGS
-
HARMONIC DAMPER
-
MAIN BEARINGS
-
OIL PUMP
-
PISTONS / RINGS
-
PUSHRODS
-
REBUILD KITS
-
ROCKER ARMS
-
ROD BEARINGS
-
STUDS / BOLTS
-
VALVE SPRINGS / RETAINERS
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
PPE 119001100 ENGINE COOLANT RETURN PIPE-304SS RAW FOR 04-05 GM DURAMAX 6.6L LLY
PACIFIC PERFORMANCE ENGINEERING
$89.99Specifically 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...$89.99 -
PPE 119001130 ENGINE COOLANT RETURN PIPE-304SS POLISHED FOR 04-05 GM DURAMAX 6.6L LLY
PACIFIC PERFORMANCE ENGINEERING
$98.99Specifically 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...$98.99 -
PPE 119001200 ENGINE COOLANT RETURN PIPE 304SS RAW FOR 06-07 GM DURAMAX 6.6L LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$89.99Specifically 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...$89.99 -
PPE 119001230 ENGINE COOLANT RETURN PIPE-304SS POLISHED FOR 06-10 GM DURAMAX 6.6L LBZ/LMM
PACIFIC PERFORMANCE ENGINEERING
$98.99Specifically 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...$98.99 -
PPE 119020009 HEATER HOSE CONNECTOR-STAINLESS STEEL FOR 01-16 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
PACIFIC PERFORMANCE ENGINEERING
$22.49From 2001 to 2016, General Motors powered their 6.6L Duramax LB7/LLY/LBZ/LMM/LML engines, and with them came the need FOR reliable components like the PPE 119020009 Heater Hose Connector in Stainless Steel. When it comes to the HVAC system in your...$22.49 -
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
$197.99The 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...$197.99 -
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
$197.99The PPE 119030130 Coolant Tube Pump to Oil Cooler is a premium aftermarket upgrade designed FOR the FOR 01-23 GM 6.6L Duramax engines, including LB7, LLY, LBZ, LMM, LML, and L5P models. This coolant tube is meticulously crafted from high-quality 304...$197.99 -
PPE 119100100 FAN CLUTCH DELETE NUT FOR 01-22 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML/L5P
PACIFIC PERFORMANCE ENGINEERING
$35.99The 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...$35.99 -
PPE 149000124 HEAT / SOUND INSULATOR FIREWALL-GOLD FOR 01-07 GM 6.6L DURAMAX LB7/LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$269.99Diesel 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...$269.99 -
PPE 149000135 HEAT / SOUND INSULATOR FIREWALL-SILVER FOR 01-07 GM 6.6L DURAMAX LB7/LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$269.99Diesel 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...$269.99 -
PPE 149002000 HEAT SHIELD BATTERY SIDE POST GOLD UNIVERSAL
PACIFIC PERFORMANCE ENGINEERING
$26.99Fits 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 x 0...$26.99 -
PPE 168030140 ENGINE MOUNT KIT - 40 HARDNESS BLUE FOR 01-10 GM 6.6L DURAMAX LB7/LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$269.99Stock 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...$269.99 -
PPE 168030144 SILICONE BUSHINGS - 40 HARDNESS BLUE FOR 01-10 GM 6.6L DURAMAX LB7/LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$80.99Silicone 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...$80.99 -
PPE 168030150 ENGINE MOUNT KIT 50 HARDNESS GREEN FOR 01-10 GM 6.6L DURAMAX LB7/LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$269.99Stock 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...$269.99 -
PPE 168030154 SILICONE BUSHINGS - 50 HARDNESS GREEN FOR 01-10 GM 6.6L DURAMAX LB7/LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$80.99Silicone Bushings - 50 HardnessThe 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...$80.99 -
PPE 168030160 ENGINE MOUNT KIT 60 HARDNESS YELLOW FOR 01-10 GM 6.6L DURAMAX LB7/LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$269.99Stock 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...$269.99 -
PPE 168030164 HIGH-performance SILICONE BUSHING - 60 HARDNESS YELLOW FOR 01-10 GM 6.6L DURAMAX LB7/LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$80.99High-performance Silicone Bushing - 60 Hardness YellowThe 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...$80.99 -
PPE 168030170 ENGINE MOUNT KIT 70 HARDNESS RED FOR 01-10 GM 6.6L DURAMAX LB7/LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$269.99Stock 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...$269.99 -
PPE 168030174 HIGH-performance SILICONE BUSHING - 70 HARDNESS RED FOR 01-10 GM 6.6L DURAMAX LB7/LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$80.99Silicone Bushings - 70 HardnessThe 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...$80.99 -
WEHRLI WCF100134 2020-2024 L5P DURAMAX WCFAB X PPE HIGH-CAPACITY CAST ALUMINUM ENGINE OIL PAN
WEHRLI CUSTOM FABRICATION
$493.73The 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...$493.73 -
WEHRLI WCF100133 2017-2019 L5P DURAMAX WCFAB X PPE HIGH-CAPACITY CAST ALUMINUM ENGINE OIL PAN
WEHRLI CUSTOM FABRICATION
$484.03Experience 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...$484.03 -
WEHRLI WCF 100132 2011-2016 LML DURAMAX WCFAB X PPE HIGH-CAPACITY CAST ALUMINUM ENGINE OIL PAN
WEHRLI CUSTOM FABRICATION
$396.73The 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...$396.73 -
WEHRLI WCF100131 2001-2010 LB7/LLY/LBZ/LMM DURAMAX WCFAB X PPE HIGH-CAPACITY CAST ALUMINUM OIL PAN
WEHRLI CUSTOM FABRICATION
$367.63The 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...$367.63 -
ATS 204-900-4248 PULSE FLOW EXHAUST MANIFOLD KIT FOR 01-04 GM 2500HD/3500HD WITH 6.6L DURAMAX
ATS DIESEL
$1,053.88ATS 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...$1,053.88 -
AFE 46-71080A STREET SERIES ENGINE OIL PAN RAW W/ MACHINED FOR 11-16 GM 6.6L DURAMAX
AFE POWER
$435.00The 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...$435.00 -
AFE 46-71070A STREET SERIES ENGINE OIL PAN RAW W/ MACHINED FOR 01-10 GM DURAMAX 6.6L
AFE POWER
$435.00The 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...$435.00 -
AFE 79-12002 OIL CAP - OVERSTOCK GM DIESEL TRUCKS 01-16 V8-6.6L
AFE POWER
$85.00Transform 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...$85.00 -
AFE 46-71080B PRO SERIES ENGINE OIL PAN BLACK W/ MACHINED FOR 11-16 GM 6.6L DURAMAX
AFE POWER
$478.17Enhance 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,...$478.17 -
AFE 46-71070B PRO SERIES ENGINE OIL PAN BLACK W/ MACHINED FOR 01-10 GM DURAMAX 6.6L
AFE POWER
$478.17The 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...$478.17 -
BD DIESEL 1041460 EXHAUST MANIFOLD DRIVERS SIDE FOR 01-10 GM 2500HD/3500HD 4X4 WITH 6.6L DURAMAX
BD DIESEL
$190.95The 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...$190.95 -
AFE POWER 44- LF001 PRO GUARD HD OIL FILTER FOR 01-19 GM 6.6L DURAMAX
AFE POWER
$23.45The 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...$23.45 -
BD DIESEL 1050141 FUEL INJECTOR INSTALL KIT FOR 01-04 GM 2500HD/3500HD 4X4 WITH 6.6L LB7 DURAMAX
BD DIESEL
$793.95The 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,...$793.95 -
GATOR FASTENERS HDB66 HARMONIC DAMPER BOLT 2001-2019 DURAMAX 6.6L LB7/LLY/LBZ/LMM/LML
GATOR FASTENERS
$29.99The 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...$29.99 -
GATOR FASTENERS HSK6265 HEAVY DUTY HEAD STUD KIT 1982-2000 GM DIESEL 6.2L/6.5L
GATOR FASTENERS
$289.99The 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...$289.99 -
GATOR FASTENERS HSK66 HEAVY DUTY HEAD STUD KIT 2001-2016 GM DURAMAX LB7/LLY/LBZ/LMM/LML
GATOR FASTENERS
$524.99The 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...$524.99 -
GATOR FASTENERS HSK66L5P HEAVY DUTY HEAD STUD KIT 2017-2021 GM DURAMAX 6.6L L5P
GATOR FASTENERS
$574.99Improve 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...$574.99 -
GATOR FASTENERS MSK667Y HEAVY DUTY MAIN STUD KIT 2001-2005 GM DURAMAX 6.6L LB7/LLY
GATOR FASTENERS
$234.99The 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...$234.99 -
GATOR FASTENERS MSK66ZM HEAVY DUTY MAIN STUD KIT 2006-2010 GM DURAMAX 6.6L LLY/LBZ/LMM
GATOR FASTENERS
$234.99Gator 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...$234.99 -
GATOR FASTENERS RBK66 HEAVY DUTY ROD BOLT KIT 2001-2010 GM DURAMAX LB7/LLY/LBZ/LMM
GATOR FASTENERS
$209.99The 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,...$209.99 -
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
$725.00Part 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...$725.00 -
BANKS 42737 BIG HOSS RACING INTAKE MANIFOLD SYSTEM NATURAL FOR 01-16 GM DURAMAX 6.6L LB7/LLY/LBZ/LMM/LML
BANKS
$0.00#N/A$0.00 -
BD DIESEL 1036758 E-PAS POSITIVE AIR SHUT-OFF FOR 07.5-15 DURAMAX
BD DIESEL
$699.95The 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...$699.95 -
XDP XD385 ROCKER ARM SHAFTS 2001-2019 GM DURAMAX 6.6L LB7/LLY/LBZ/LMM/LML/L5P
XTREME DIESEL PERFORMANCE
$484.95The XDP XD385 Rocker Arm Shafts are an essential upgrade for owners of 2001-2019 GM Duramax 6.6L LB7/LLY/LBZ/LMM/LML/L5P engines seeking improved performance and durability. Engineered to address common oiling issues present in these engines, the XDP...$484.95 -
XDP XD384 BILLET ROCKER ARM VALVE BRIDGE SET 2001-2016 GM DURAMAX 6.6L LB7/LLY/LBZ/LMM/LML
XTREME DIESEL PERFORMANCE
$459.95The XDP XD384 Billet Rocker Arm Valve Bridge Set offers a significant upgrade to the factory valvetrain of your modified 2001-2016 GM 6.6L Duramax engine. Your stock rocker arm bridges were engineered for standard output levels and may struggle under the...$459.95 -
XDP XD350 WRINKLE BLACK HD HIGH OUTPUT ALTERNATOR 2011-2019 GM DURAMAX 6.6L LML/L5P
XTREME DIESEL PERFORMANCE
$565.95The XDP XD350 Wrinkle Black HD High Output Alternator is the perfect solution to enhance the charging system of your 2011-2019 GM 6.6L Duramax. Designed for Duramax owners who prioritize performance, this alternator ensures that your aftermarket...$565.95 -
XDP XD351 WRINKLE BLACK HD HIGH OUTPUT ALTERNATOR 2007.5-2010 GM DURAMAX 6.6L LMM
XTREME DIESEL PERFORMANCE
$415.95The XDP XD351 Wrinkle Black HD High Output Alternator is a must-have upgrade for your 2007.5-2010 GM 6.6L Duramax LMM. This alternator not only enhances the capability of your charging system but also adds a touch of style under the hood.Designed for...$415.95 -
XDP XD355 WRINKLE BLACK HD HIGH OUTPUT ALTERNATOR 2001-2007 GM DURAMAX 6.6L LB7/LLY
XTREME DIESEL PERFORMANCE
$429.95Enhance the performance of your 2001-2007 GM 6.6L Duramax engine with the XDP Wrinkle Black HD High Output Alternator XD355. Designed to address the common issue of an insufficient charging system in Duramax engines, this alternator is a game-changer for...$429.95 -
XDP XD344 BILLET COOLANT BLOCK-OFF PLATE 2001-2022 GM DURAMAX 6.6L LB7/LLY/LBZ/LMM/LML/L5P
XTREME DIESEL PERFORMANCE
$64.95The XDP XD344 Billet Coolant Block-Off Plate is the perfect solution for owners of 2011-2017 GM 6.6L Duramax engines looking to permanently eliminate troublesome coolant leaks from the rear housing on their LML and L5P engines. Say goodbye to the...$64.95 -
XDP XD224 220 AMP ALTERNATOR HIGH OUTPUT 2001-2007 GM DURAMAX 6.6L LB7/LLY
XTREME DIESEL PERFORMANCE
$299.95The XDP XD224 220 Amp Alternator is the solution to effectively power up your 2001-2007 GM Duramax 6.6L LB7/LLY with aftermarket upgrades. Whether you're adding on plows, air compressors, lighting, or performance electronics, the XDP High Output...$299.95 -
XDP XD250 GEAR REDUCTION STARTER WRINKLE BLACK 1982-2000 GM DIESEL 6.2L/6.5L
XTREME DIESEL PERFORMANCE
$369.95The XDP XD250 Gear Reduction Starter in Wrinkle Black is a reliable powerhouse designed for your 1982-2000 GM 6.2L/6.5L Diesel engine. Built to tackle extreme conditions, XDP's HD Gear Reduction Starter outperforms factory starters with its speed,...$369.95 -
XDP XD251 GEAR REDUCTION STARTER WRINKLE BLACK 2001-2016 GM DURAMAX 6.6L LB7/LLY/LBZ/LMM
XTREME DIESEL PERFORMANCE
$299.95The XDP XD251 Gear Reduction Starter in Wrinkle Black is the ultimate solution for your 2001-2016 GM Duramax 6.6L LB7/LLY/LBZ/LMM. Designed to excel in the most extreme conditions, this starter is faster, stronger, and more durable than factory...$299.95 -
XDP XD315 3/8 INCH STREET PERFORMANCE PUSHRODS 2001-2016 GM DURAMAX 6.6L LB7/LLY/LBZ/LMM
XTREME DIESEL PERFORMANCE
$349.95The XDP XD315 3/8 Inch Street Performance Pushrods are designed to enhance the performance of your 2001-2016 GM 6.6L Duramax engine. Built to withstand the increased cylinder pressure, high engine RPM, and elevated valve spring pressures commonly seen in...$349.95 -
XDP XD316 7/16 INCH COMPETITION & RACE PERFORMANCE PUSHRODS 2001-2016 GM DURAMAX 6.6L LB7/LLY/LBZ/LMM
XTREME DIESEL PERFORMANCE
$378.95Enhance the performance and power of your 2001-2016 GM 6.6L Duramax engine with the XDP Pushrods 7/16 inch Competition & Race Performance XD316. Designed to restore lost power from the valvetrain, these pushrods are the perfect upgrade for your modified...$378.95 -
XDP XD331 CRANKSHAFT PIN KIT FOR 01-16 GM DURAMAX 6.6L LB7/LLY/LBZ/LMM
XTREME DIESEL PERFORMANCE
$159.95Ensure your 2001-2016 GM 6.6L Duramax engine stays protected against catastrophic failures with the XDP Duramax Crankshaft Pin Kit XD331. This kit is designed to address the common issue of sheared dowel pins in the crankshaft that can lead to...$159.95 -
WEHRLI WCF100373 17-22 L5P DURAMAX BILLET EXHAUST MANIFOLD KIT W/ GASKETS AND ARP HARDWARE
WEHRLI CUSTOM FABRICATION
$1,450.15Enhance the performance of your 2017-2024 Duramax engine with the WEHRLI WCF100373 17-22 L5P Billet Exhaust Manifold Kit. Crafted by WCFab, these high-strength billet steel exhaust manifolds are expertly TIG-welded to replace the factory cast components...$1,450.15 -
WEHRLI WCF100363 01-16 CHEVROLET DURAMAX EXHAUST MANIFOLD KIT W/ GASKETS & HARDWARE
WEHRLI CUSTOM FABRICATION
$1,289.13Enhance the performance of your 2001-2016 Chevrolet Duramax with the WEHRLI WCF100363 01-16 Chevrolet Duramax Exhaust Manifold Kit. Crafted by WCFab, these billet exhaust manifolds are designed to replace the restrictive factory components, boosting...$1,289.13 -
WEHRLI WCF100189 04.5-2010 DURAMAX LLY/LBZ/LMM CRANKCASE VENT (PCV) FITTING KIT - BILLET BLACK ANODIZED
WEHRLI CUSTOM FABRICATION
$44.62Enhance the performance and durability of your 2004.5-2010 LLY/LBZ/LMM Duramax engine with the WEHRLI WCF100189 Crankcase Vent (PCV) Fitting Kit. Engineered to replace the fragile plastic OEM fittings, this kit offers superior quality and longevity...$44.62 -
WEHRLI WCF100443 2001+ GM DURAMAX LB7/LLY/LBZ/LMM/LML/L5P BILLET OIL FILL CAP - BLACK ANODIZED
WEHRLI CUSTOM FABRICATION
$49.47Enhance the look and functionality of your 2001-2024 Duramax engine bay with the WEHRLI WCF100443 Billet Oil Fill Cap in sleek Black Anodized finish. Crafted from high-quality CNC machined Billet Aluminum, this complete oil cap offers a direct OEM...$49.47 -
WEHRLI WCF100442 2001+ GM DURAMAX LB7/LLY/LBZ/LMM/LML/L5P BILLET OIL FILL CAP - CLEAR ANODIZED
WEHRLI CUSTOM FABRICATION
$49.47Enhance the performance and aesthetics of your 2001-2024 Duramax engine with the WEHRLI WCF100442 2001+ GM DURAMAX LB7/LLY/LBZ/LMM/LML/L5P BILLET OIL FILL CAP - CLEAR ANODIZED from WCFab. Crafted from high-quality Billet Aluminum with a sleek Clear...$49.47 -
WEHRLI WCF100796 06-10 LBZ/LMM DURAMAX MAP SENSOR SEAL & BRACKET
WEHRLI CUSTOM FABRICATION
$15.52The WEHRLI WCF100796 06-10 LBZ/LMM DURAMAX MAP SENSOR SEAL & BRACKET is a must-have product for owners of late-year LMM DURAMAX engines looking to install WCFab y-bridge or turbo kits. This specialized kit includes a Map Sensor Seal and Bracket designed...$15.52 -
FLEECE FPE-HAR-MU-PT-1 REPLACEMENT SENSOR CONNECTOR WITH PIGTAIL FOR L5P DURAMAX AND GM VEHICLES (L5P DURAMAX SENSOR PIGTAIL 1)
FLEECE PERFORMANCE
$37.99Replacement 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...$37.99 -
FLEECE FPE-HAR-CP3-EXT CP3 REGULATOR EXTENSION HARNESS FOR 11-16 6.6L DURAMAX FLEECE
FLEECE PERFORMANCE
$29.99Regulator extension harness for use with Bosch CP3's used in 6.6L Duramax applications.$29.99 -
FLEECE FPE-DMAX-OC-BLU 2001-2016 DURAMAX OIL CAP BLUE
FLEECE PERFORMANCE
$39.99Dress 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...$39.99 -
FLEECE FPE-BRAB-D1 32V DURAMAX ROCKER BRIDGES
FLEECE PERFORMANCE
$512.54Fleece 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...$512.54 -
PAI 132033 S400 EXHAUST OUTLET GASKET (T6) FOR 89-24 CUMMINS 5.9L/6.7L
PAI INDUSTRIES
$6.74The PAI Industries 132033 Exhaust Outlet Gasket-S400-T6- designed for 1989-2024 Cummins 5.9L/6.7L 12V/24V engines is a high-quality replacement part that guarantees OEM-level fitment and functionality. This exhaust outlet gasket, with Cummins OEM#...$6.74 -
AFE POWER 46-70342 PRO SERIES EXTRA DEEP ENGINE OIL PAN FOR 11-16 GM 6.6L DURAMAX
AFE POWER
$527.84The 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...$527.84 -
AFE POWER 46-70330 STREET SERIES EXTRA DEEP ENGINE OIL PAN FOR 01-10 GM 6.6L DURAMAX
AFE POWER
$478.17Enhance 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...$478.17 -
AFE POWER 46-70340 STREET SERIES EXTRA DEEP RAW ENGINE OIL PAN FOR 11-16 GM 6.6L DURAMAX
AFE POWER
$478.17Enhance 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...$478.17 -
AFE POWER 48-34009-PK TWISTED STEEL UP-PIPES & EXHAUST MANIFOLDS FOR 01-04 GM 6.6L DURAMAX LB7 W/FEDERAL EMISSIONS
AFE POWER
$1,271.66Enhance 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...$1,271.66 -
AFE POWER 46-40024 BLADERUNNER PORTED DUCTILE IRON EXHAUST MANIFOLD FOR 01-16 GM DURAMAX 6.6L
AFE POWER
$671.37The 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...$671.37 -
AFE POWER 46-80003 BLADERUNNER UNIVERSAL ENGINE/TRANSMISSION OIL COOLER KIT 10" X 2" X 4-3/4"
AFE POWER
$274.52The 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...$274.52 -
AFE POWER 46-70332 PRO SERIES ENGINE OIL PAN FOR 01-10 DURAMAX 6.6L
AFE POWER
$527.84aFe 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...$527.84 -
AFE POWER 46-80002 BLADERUNNER UNIVERSAL ENGINE/TRANSMISSION OIL COOLER KIT 10" X 2" X 3-1/2"
AFE POWER
$212.78The 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...$212.78 -
AFE POWER 46-80004 BLADERUNNER UNIVERSAL ENGINE/TRANSMISSION OIL COOLER KIT 10" X 2" X 8"
AFE POWER
$320.83The 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...$320.83 -
FLEECE FPE-DMAX-OCADPT GM DURAMAX OIL COOLER ADAPTER KIT
FLEECE PERFORMANCE
$99.00Problem: 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...$99.00 -
MISHIMOTO MMODP-1415B MAGNETIC OIL DRAIN PLUG M14 X 1.5, BLACK 01-16 DURAMAX 12-16 POWERSTROKE
MISHIMOTO
$18.95Enhance 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...$18.95 -
PPE 149000105 HEAT/SOUND INSULATOR FIREWALL-BLACK FOR 01-07 GM 6.6L DURAMAX LB7/LLY
PACIFIC PERFORMANCE ENGINEERING
$269.99Diesel 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...$269.99 -
PPE 118034300 HEAD STUD KIT FOR 01-16 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
PACIFIC PERFORMANCE ENGINEERING
$539.99The PPE 118034300 Head Stud Kit FOR FOR 01-16 GM 6.6L Duramax engines – LB7/LLY/LBZ/LMM/LML models – is the pinnacle of robust fastening solutions FOR high-performance diesel engines. Engineered with precision and manufactured to exceed industry...$539.99 -
PPE 114003000 BILLET ALUMINUM ENGINE OIL FILLER CAP FOR 01-16 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
PACIFIC PERFORMANCE ENGINEERING
$31.49Crafted FOR precision and performance, the PPE 114003000 Billet Aluminum Engine Oil Filler Cap is the ultimate upgrade FOR your FOR 01-16 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML. This top-of-the-line oil fill cap by PPE® is a testament to the fusion of...$31.49 -
PPE 114003005 VITON O-RING FOR OIL FILL CAP FOR 01-16 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
PACIFIC PERFORMANCE ENGINEERING
$5.39Enhance 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,...$5.39 -
PPE 118062030 UP-PIPE GASKETS (4 PCS) FOR 01-16 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
PACIFIC PERFORMANCE ENGINEERING
$26.99Product Name: PPE 118062030 UP-PIPE GASKETS (4 PCS) FOR 01-16 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LMLElevate your truck's performance with the PPE 118062030 UP-PIPE GASKETS. This gasket set, consisting of four pieces, is precision-engineered and meticulously...$26.99 -
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
$19.79Enhance 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...$19.79 -
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
$179.99The 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...$179.99 -
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
$19.79Presenting the PPE 118062010 High-performance Manifold Standard Port Gaskets, designed exclusively FOR FOR 01-16 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML models. This exhaust manifold gasket set includes 2 pieces of standard port stainless steel gaskets,...$19.79 -
PPE 114028000 TUBING KIT FOR CRANKCASE BREATHER SET FOR 04.5-10 GM 6.6L DURAMAX LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$35.99Tubing 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...$35.99 -
MISHIMOTO MMBCC-UNI-BK BAFFLED OIL CATCH CAN UNIVERSAL - MANY APPLICATIONS
MISHIMOTO
$294.95The MISHIMOTO MMBCC-UNI-BK Baffled Oil Catch Can is a game-changer in the world of automotive accessories. Engineered with precision after extensive research and development by Mishimoto, this oil catch can is designed to separate oil particles from the...$294.95 -
MISHIMOTO MMBCC-UNI-BL BAFFLED OIL CATCH CAN UNIVERSAL - MANY APPLICATIONS
MISHIMOTO
$294.95Enhance your vehicle's performance and protect its engine with the Mishimoto MMBCC-UNI-BL Baffled Oil Catch Can, a universal solution designed for a wide range of applications. After meticulous research and development, Mishimoto has unveiled the...$294.95 -
MISHIMOTO MMBCC-HF UNIVERSAL HIGH-FLOW BAFFLED CATCH CAN KIT
MISHIMOTO
$245.95The MISHIMOTO MMBCC-HF UNIVERSAL HIGH-FLOW BAFFLED CATCH CAN KIT is the ultimate solution for high-output engines requiring efficient crankcase ventilation. Engineered to handle the increased air and fuel intake that comes with high-performance engines,...$245.95 -
PPE 114020000 PCV CRANKCASE BREATHER REPAIR FITTINGS (SET OF 2) FOR 04.5-10 GM 6.6L DURAMAX LLY/LBZ/LMM
PACIFIC PERFORMANCE ENGINEERING
$26.99PPE 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...$26.99 -
PPE 114052000 HIGH CAPACITY CAST ALUMINUM DEEP ENGINE OIL PAN FOR 01-10 GM 6.6L DURAMAX LB7/LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$260.99Ditch 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...$260.99 -
PPE 114052020 HIGH CAPACITY CAST ALUMINUM DEEP OIL PAN-BLACK FOR 01-10 GM 6.6L DURAMAX LB7/LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$278.99Ditch the grit. Get rid of 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 that prevents your old...$278.99 -
PPE 114052100 HIGH CAPACITY CAST ALUMINUM DEEP OIL PAN-RAW FOR 11-16 GM 6.6L DURAMAX LML
PACIFIC PERFORMANCE ENGINEERING
$287.99Ditch 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...$287.99 -
PPE 114052120 HIGH CAPACITY CAST ALUMINUM OIL PAN-BLACK FOR 11-16 GM 6.6L DURAMAX LML
PACIFIC PERFORMANCE ENGINEERING
$305.99Ditch 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...$305.99 -
PPE 114001000 INTERNAL OIL COOLER DELETE KIT FOR 01-16 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
PACIFIC PERFORMANCE ENGINEERING
$269.99Designed FOR high performance Duramax engines that require remote oil cooler and filtration solutions. Popular FOR hot rod, marine and race applications that require larger less restrictive cooler/filter systems. Compact design adds additional clearance...$269.99 -
PPE 114052001 ENGINE OIL PAN MAGNETIC DRAIN PLUG M14-1.5 FOR 01-10 GM 6.6L DURAMAX LB7/LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$17.99PPEs new Billet Oil Drain Plug also comes equipped with a Neodymium magnet to pull any harmful ferrous metal contaminants from the oil, and helps extend the life of your engine. Make sure to have a PPE Billet Oil Drain Plug in hand FOR your next oil...$17.99 -
PPE 114002000 304 STAINLESS STEEL REMOTE OIL FILTER MOUNT UNIVERSAL
PACIFIC PERFORMANCE ENGINEERING
$125.99Certain Duramax engine installations, such as with marine applications, often require relocating the oil filter so it can be accessed FOR basic maintenance. Designed to work in conjunction with >PPEs Internal Oil Cooler Delete Kit. Made from billet...$125.99 -
CARRILLO DMHD6418H 6.6L DURAMAX PRO-H CONNECTING ROD SET (WITH H-11 BOLTS)
CARRILLO
$2,832.90The CARRILLO DMHD6418H 6.6L Duramax Pro-H Connecting Rod Set with H-11 Bolts is engineered for those who demand both performance and durability in their 2001-2010 GM 6.6L Duramax engine builds. With an illustrious history dating back to 1963, Carrillo...$2,832.90 -
CARRILLO DMHD6418S 6.6L DURAMAX PRO-H CONNECTING ROD SET (WITH CARR BOLTS)
CARRILLO
$3,162.60The Carrillo DMHD6418S 6.6L Duramax Pro-H Connecting Rod Set is an essential upgrade for any serious builder of the 2001-2010 GM 6.6L Duramax engine. Renowned since 1963 for its engineering excellence, Carrillo has solidified its reputation as the...$3,162.60 -
CARRILLO DM6418H 6.6L DURAMAX LML PRO-H CONNECTING ROD SET (WITH H-11 BOLTS)
CARRILLO
$2,832.90The Carrillo DM6418H 6.6L Duramax LML Pro-H Connecting Rod Set with H-11 Bolts is the pinnacle of precision engineering for your 2011-2012 GM 6.6L Duramax engine. Boasting a legacy dating back to 1963, Carrillo stands as the premier custom connecting rod...$2,832.90 -
CARRILLO DM6418S 6.6L DURAMAX LML PRO-H CONNECTING ROD SET (WITH CARR BOLTS)
CARRILLO
$3,162.60The Carrillo 6.6L Duramax LML Pro-H Connecting Rod Set with CARR Multiphase Bolts is the pinnacle of precision engineering for your 2011-2012 GM 6.6L Duramax engine build. With a legacy dating back to 1963, Carrillo stands as the foremost custom...$3,162.60