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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INDUSTRIAL INJECTION PDM-06037 GM COMMON RAIL GORILLA GIRDLE FOR 11-16 6.6L LML DURAMAX 14MM
INDUSTRIAL INJECTION
$1,321.7614mm Duramax Gorilla Girdle Kit (LML)The thick Gorilla Girdle is the strongest girdle on the market. It utilizes the XXL ARP 14mm main studs. This 14mm girdle only fits the LML Engines from 2011 - 2017. Core charge on the upper oil pan 250.00 Core...$1,321.76 -
INDUSTRIAL INJECTION PDM-06035 GM COMMON RAIL GORILLA GIRDLE FOR 01-10 6.6L LB7 LLY LBZ LLM DURAMAX 14MM
INDUSTRIAL INJECTION
$1,321.7614mm Duramax Gorilla Girdle Kit (LB7,LLY,LBZ,LMM)The thick Gorilla Girdle is the strongest girdle on the market. It utilizes the XXL ARP 14mm main studs. This custom girdle fits the LB7, LLY, LBZ, and LMM Engines from 2001 - 2010 Core charge on the...$1,321.76 -
INDUSTRIAL INJECTION PDM-LB7SH GM REMANUFACTURED STOCK HEADS FOR 01-04 LB7 DURAMAX
INDUSTRIAL INJECTION
$1,409.66The Industrial Injection LB7 Duramax Stock Remanufactured Heads are designed to be a factory replacement. Complete ready to bolt on. Heads are first jet washed in a high pressure spray cabinet to remove oil and dirt, then glass beaded to remove carbon...$1,409.66 -
INDUSTRIAL INJECTION PDM-LLYSH GM REMANUFACTURED HEADS FOR 2004.5-2005 LLY 6.6L DURAMAX
INDUSTRIAL INJECTION
$1,409.66The Industrial Injection LLY Duramax Stock Remanufactured Heads are designed to be a factory replacement. Complete ready to bolt on. Heads are first jet washed in a high pressure spray cabinet to remove oil and dirt, then glass beaded to remove carbon...$1,409.66 -
INDUSTRIAL INJECTION PDM-LBZ/LMMSH GM STOCK REMANUFACTURED HEADS FOR 06-10 LBZ LMM 6.6L DURAMAX
INDUSTRIAL INJECTION
$1,409.66The Industrial Injection LBZ/LMM Duramax Stock Remanufactured Heads are designed to be a factory replacement. Complete ready to bolt on. Heads are first jet washed in a high pressure spray cabinet to remove oil and dirt, then glass beaded to remove...$1,409.66 -
INDUSTRIAL INJECTION PDM-LMLSH GM REMANUFACTURED STOCK HEADS FOR 11-16 LML 6.6L DURAMAX
INDUSTRIAL INJECTION
$1,409.66The Industrial Injection LML Duramax Stock Remanufactured Heads are designed to be a factory replacement. Complete ready to bolt on.Heads are first jet washed in a high pressure spray cabinet to remove oil and dirt, then glass beaded to remove carbon...$1,409.66 -
INDUSTRIAL INJECTION PDM-DMXAFS1 GM RACE CAMSHAFT FOR 01-16 DURAMAX ALTERNATE FIRING BILLET STAGE 1 WITH KEY
INDUSTRIAL INJECTION
$1,496.84Duramax Alternate Firing Billet Race Camshaft w/ Key Features: 1000+hp Capable Alternate Firing Order (relieves stress on crankshaft) Billet For Ultimate Strength Keyed To Prevent Cam Gear Slipping Drop In Performance Camshaft Requires 95 Valve...$1,496.84 -
INDUSTRIAL INJECTION 449e01 6.6L DURAMAX STAGE 1 PUSHROD SILVER
INDUSTRIAL INJECTION
$937.00The Industrial Injection 6.6L Duramax Stage 1 Pushrods are designed to add strength and reliability to your 2001-2016 GM Duramax. If you are running higher RPM and higher boost number than stock these billet pushrods are a must. Features: Added...$937.00 -
INDUSTRIAL INJECTION 449e03 6.6L DURAMAX STAGE 3 2001-2016 PUSHROD SILVER
INDUSTRIAL INJECTION
$937.00The Industrial Injection 6.6L Duramax Stage 3 Billet Pushrods are designed to add ultimate strength and reliability to your 2001-2016 GM Duramax. If you are running over 4500rpm and over 100psi boost these Stage 3 Billet Pushrods are a must. Industrial...$937.00 -
MAHLE 224-3985WR-0.25MM Piston With Rings (.25MM) 2011-2016 GM 6.6L Duramax LML/LGH
MAHLE
$1,051.52AutoCare brands Id FLHQ AutoCare brand MAHLE Environmentally hazardous material No ACES applications available Yes Quantity per application 8 Each$1,051.52 -
FLEECE FPE-61-10001-P-CL FREEDOM SERIES DURAMAX CYLINDER HEAD WITH CUPLESS INJECTOR BORE FOR 2001-2004 LB7 (PASSENGER SIDE)
FLEECE PERFORMANCE
$1,099.00Freedom Series cylinder heads for the LB7 6.6L Duramax now with a cupless injector bore - save time and money with no more injector cups to install, leak, or worry about. Each cylinder head is assembled from a new casting in our state-of-the-art Freedom...$1,099.00 -
FLEECE FPE-61-10001-D-CL FREEDOM SERIES DURAMAX CYLINDER HEAD WITH CUPLESS INJECTOR BORE FOR 2001-2004 LB7 (DRIVER SIDE)
FLEECE PERFORMANCE
$1,099.00Freedom Series cylinder heads for the LB7 6.6L Duramax now with a cupless injector bore - save time and money with no more injector cups to install, leak, or worry about. Each cylinder head is assembled from a new casting in our state-of-the-art Freedom...$1,099.00 -
PPE 116111200 MANIFOLDS AND UP-PIPES Y-PIPE (CA) FOR 02-04 GM DURAMAX 6.6L LB7
PACIFIC PERFORMANCE ENGINEERING
$1,121.39PPEs Manifolds and Up-Pipes are designed to maximize power and flow characteristics. The Up-Pipe bellows are internally-sleeved, made from aircraft-grade 304 stainless steel and designed with an increased inner diameter FOR higher flow. The entire...$1,121.39 -
PPE 116111800 MANIFOLDS AND UP-PIPES Y-PIPE FOR 07.5-10 DURAMAX 6.6L LMM
PACIFIC PERFORMANCE ENGINEERING
$1,121.39PPEs Manifolds and Up-Pipes are designed to maximize power and flow characteristics. The Up-Pipe bellows are internally-sleeved, made from aircraft-grade 304 stainless steel and designed with an increased inner diameter FOR higher flow. The entire...$1,121.39 -
PPE 116112000 MANIFOLDS AND UP-PIPES Y-PIPE FOR 11-16 GM DURAMAX 6.6L LML
PACIFIC PERFORMANCE ENGINEERING
$1,121.39PPE's advanced Manifolds and Up-Pipes are the ultimate upgrade FOR your FOR 11-16 GM Duramax 6.6L LML engine. Engineered to enhance power and flow characteristics, this exhaust system is a game-changer FOR enthusiasts seeking optimal performance.Crafted...$1,121.39 -
PPE 116112500 MANIFOLDS AND UP-PIPES-RAW FOR 17-21 GM DURAMAX 6.6L L5P
PACIFIC PERFORMANCE ENGINEERING
$1,349.99The PPE 116112500 Manifolds and Up-Pipes - Raw FOR 17-21 GM Duramax 6.6L L5P is a top-of-the-line upgrade FOR your vehicle, designed to enhance performance and durability. These high-flow manifolds are crafted from cast, high-sil moly, ensuring strength...$1,349.99 -
PPE 110100101 CAST IRON CYLINDER HEAD (ONE) FOR 01-04 GM DURAMAX 6.6L LB7
PACIFIC PERFORMANCE ENGINEERING
$1,349.9950 States Emissions Legal (E.O. D-701-38) The OEM Duramax cast-aluminum cylinder heads fall short over time - the different heat expansion rates between cast-iron engine block and cast-aluminum cylinder head cause head gasket scrubbing and eventually...$1,349.99 -
PPE 110100103 CAST IRON CYLINDER HEAD (ONE) FOR 04.5-10 GM 6.6L DURAMAX LLY/LBZ/LMM
PACIFIC PERFORMANCE ENGINEERING
$1,349.99The PPE 110100103 Cast Iron Cylinder Head is a game-changer FOR owners of 2004.5-2010 GM 6.6L Duramax LLY/LBZ/LMM engines. Designed to address the shortcomings of OEM cast-aluminum cylinder heads, this product offers unmatched durability and performance...$1,349.99 -
PPE 116111035 EXHAUST MANIFOLD W/UP-PIPES (2001 CA, 01-04 FED) SILVER FOR 01-04 GM DURAMAX 6.6L LB7
PACIFIC PERFORMANCE ENGINEERING
$1,070.9850 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...$1,070.98 -
PPE 116111220 MANIFOLDS AND UP-PIPES-BLACK (CA) FOR 02-04 GM DURAMAX 6.6L LB7
PACIFIC PERFORMANCE ENGINEERING
$1,292.3850 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...$1,292.38 -
PPE 116111235 MANIFOLDS AND UP-PIPES-Y PIPE-SILVER (CA) FOR 02-04 GM DURAMAX 6.6L LB7
PACIFIC PERFORMANCE ENGINEERING
$1,292.3850 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...$1,292.38 -
PPE 116111420 MANIFOLDS AND UP-PIPES Y PIPE-BLACK FOR 04-05 GM DURAMAX 6.6L LLY
PACIFIC PERFORMANCE ENGINEERING
$1,292.3850 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...$1,292.38 -
PPE 116111435 MANIFOLDS AND UP-PIPES Y PIPE- SILVER FOR 04-05 GM DURAMAX 6.6L LLY
PACIFIC PERFORMANCE ENGINEERING
$1,292.3850 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...$1,292.38 -
PPE 116111620 MANIFOLDS AND UP-PIPES-BLACK FOR 06-07 GM DURAMAX 6.6L LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$1,292.3850 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...$1,292.38 -
PPE 116111635 MANIFOLDS AND UP-PIPES-SILVER FOR 06-07 GM DURAMAX 6.6L LLY/LBZ
PACIFIC PERFORMANCE ENGINEERING
$1,292.3850 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...$1,292.38 -
PPE 116111820 MANIFOLDS AND UP-PIPES-BLACK FOR 07.5-10 DURAMAX 6.6L LMM
PACIFIC PERFORMANCE ENGINEERING
$1,292.3850 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...$1,292.38 -
PPE 116111835 MANIFOLDS AND UP-PIPES-SILVER FOR 07.5-10 DURAMAX 6.6L LMM
PACIFIC PERFORMANCE ENGINEERING
$1,292.3850 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...$1,292.38 -
PPE 116112035 MANIFOLDS AND UP-PIPES Y PIPE-SILVER FOR 11-16 GM 6.6L DURAMAX LML
PACIFIC PERFORMANCE ENGINEERING
$1,292.38Experience 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...$1,292.38 -
PPE 116112520 MANIFOLDS AND UP-PIPES-BLACK FOR 17+ GM DURAMAX 6.6L L5P
PACIFIC PERFORMANCE ENGINEERING
$1,520.99Enhance the performance of your GM Duramax 6.6L L5P engine with the PPE 116112520 Manifolds and Up-Pipes in sleek black finish. These high-quality components are engineered to elevate your vehicle's power and efficiency while ensuring compliance with 50...$1,520.99 -
PPE 116112535 MANIFOLDS AND UP-PIPES-SILVER FOR 17+ GM DURAMAX 6.6L L5P
PACIFIC PERFORMANCE ENGINEERING
$1,520.99The PPE 116112535 Manifolds and Up-Pipes-Silver 2017+ GM Duramax 6.6L L5P are the ultimate upgrade FOR your vehicle. These high-flow manifolds crafted from cast, high-sil moly ensure maximum power and flow characteristics while lowering exhaust gas...$1,520.99 -
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 -
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 -
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 -
WAGLER WCPC6658.1 STREET GIRDLE 2001-2010 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM
WAGLER COMPETITION PRODUCTS
$850.00The WAGLER WCPC6658.1 STREET GIRDLE is a powerful and essential upgrade for GM 6.6L Duramax engines from 2001 to 2010 LB7/LLY/LBZ/LMM models. This innovative one-piece girdle, part of the WCP Duramax Street series, is machined to a precise 1/2 inch...$850.00 -
WAGLER WCPC6622.1 STREET INTAKE MANIFOLD 2001-2004 GM 6.6L DURAMAX LB7
WAGLER COMPETITION PRODUCTS
$1,250.00The WAGLER WCPC6622.1 Street Intake Manifold is a cutting-edge upgrade designed specifically for the 2001-2004 GM 6.6L Duramax LB7 engines. This aftermarket intake manifold is expertly crafted to replace the factory y-bridge entirely, offering superior...$1,250.00 -
FLEECE FPE-61-10002-D 2004.5-2005 FACTORY LLY DURAMAX CYLINDER HEAD (DRIVER SIDE)
FLEECE PERFORMANCE
$1,099.00Introducing our Freedom Series cylinder heads for the 6.6L Duramax! Each cylinder head is manufactured in our state-of-the-art Freedom Racing Engine shop and is guaranteed to meet or exceed factory specifications. All heads are meticulously inspected,...$1,099.00 -
FLEECE FPE-61-10002-P 2004.5-2005 FACTORY LLY DURAMAX CYLINDER HEAD (PASSENGER SIDE)
FLEECE PERFORMANCE
$1,099.00Introducing our Freedom Series cylinder heads for the 6.6L Duramax! Each cylinder head is manufactured in our state-of-the-art Freedom Racing Engine shop and is guaranteed to meet or exceed factory specifications. All heads are meticulously inspected,...$1,099.00 -
FLEECE FPE-61-10003-D 2006-2010 FACTORY LBZ/LMM DURAMAX CYLINDER HEAD (DRIVER SIDE)
FLEECE PERFORMANCE
$1,099.00Introducing our Freedom Series cylinder heads for the 6.6L Duramax! Each cylinder head is manufactured in our state-of-the-art Freedom Racing Engine shop and is guaranteed to meet or exceed factory specifications. All heads are meticulously inspected,...$1,099.00 -
FLEECE FPE-61-10003-P 2006-2010 FACTORY LBZ/LMM DURAMAX CYLINDER HEAD (PASSENGER SIDE)
FLEECE PERFORMANCE
$1,099.00Introducing our Freedom Series cylinder heads for the 6.6L Duramax! Each cylinder head is manufactured in our state-of-the-art Freedom Racing Engine shop and is guaranteed to meet or exceed factory specifications. All heads are meticulously inspected,...$1,099.00 -
FLEECE FPE-61-10004-D 2011-2016 FACTORY LML DURAMAX CYLINDER HEAD (DRIVER SIDE)
FLEECE PERFORMANCE
$1,099.00Introducing our Freedom Series cylinder heads for the 6.6L Duramax! Each cylinder head is manufactured in our state-of-the-art Freedom Racing Engine shop and is guaranteed to meet or exceed factory specifications. All heads are meticulously inspected,...$1,099.00 -
FLEECE FPE-61-10004-P 2011-2016 FACTORY LML DURAMAX CYLINDER HEAD (PASSENGER SIDE)
FLEECE PERFORMANCE
$1,099.00Introducing our Freedom Series cylinder heads for the 6.6L Duramax! Each cylinder head is manufactured in our state-of-the-art Freedom Racing Engine shop and is guaranteed to meet or exceed factory specifications. All heads are meticulously inspected,...$1,099.00