
ENGINE PARTS / ACCESSORIES
Engine Parts/Accessories
Cpp Diesel has all of the engine parts you need for your Duramax v8.
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.
Whether you're in need of vital replacements like cylinder head gaskets, valve cover gaskets, or piston kits, or looking to optimize your engine's capabilities with performance-enhancing accessories such as high-flow intake horns and resonator delete plates, we offer a comprehensive range to meet all your engine needs. Our remanufactured and freedom series cylinder heads are engineered for durability, ensuring top-notch performance whether you are restoring an engine or pushing boundaries on the road or track.
Finding the right fit for your engine is seamless with our various piston kits available in multiple sizes to accommodate both standard and overbore options. Each product is designed to ensure that your engine maintains its peak performance, allowing you to enjoy driving with confidence.
Investing in quality engine parts and accessories not only helps prevent costly repairs down the road but also assures that your vehicle operates efficiently and reliably. Browse our selection at Cpp Diesel to discover the exceptional engine parts and accessories that promise to keep your Duramax engine running at its best for years to come. With our commitment to quality and customer satisfaction, your engine will be in excellent hands.
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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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ARP 100-7533 VALVE COVER BOLT KIT-12PT 2004.5-2016 GM 6.6L DURAMAX LLY/LBZ/LMM/LML
ARP
$119.99Enhance the durability and performance of your GM 6.6L Duramax engine with the ARP 100-7533 Valve Cover Bolt Kit. Specifically designed for the 2004.5 to 2016 GM 6.6L Duramax models including LLY, LBZ, LMM, and LML, this bolt kit is an essential upgrade...$119.99 -
ARP 100-7532 VALVE COVER BOLT KIT-HEX 2001-2004 DURAMAX LB7
ARP
$76.99The ARP 100-7532 Duramax 6.6L LB7 Hex Valve Cover Bolt Kit is a high-quality, precision-engineered set designed specifically for 2001-2004 Duramax LB7 engines. Crafted by ARP, a trusted name in the automotive aftermarket industry, this kit is...$76.99 -
ARP 100-7531 VALVE COVER BOLT KIT-12PT 2001-2004 DURAMAX LB7
ARP
$84.99The ARP 100-7531 Valve Cover Bolt Kit is designed specifically for the 2001-2004 Duramax LB7 engines, providing exceptional performance and reliability. Crafted with precision and durability in mind, this valve cover bolt kit is perfect for those looking...$84.99 -
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 -
FLEECE FPE-DMAX-OC-BLK 2001-2016 DURAMAX OIL CAP BLACK
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 Black DETAILED FITMENT: 2001-2005 Chevrolet Silverado...$39.99 -
FLEECE FPE-DMAX-OC-RED 2001-2016 DURAMAX OIL CAP RED
FLEECE PERFORMANCE
$41.99Dress 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 Red DETAILED FITMENT: 2001-2005 Chevrolet Silverado...$41.99 -
FLEECE FPE-INTAKEHORN MODIFIED LB7 INTAKE HORN
FLEECE PERFORMANCE
$99.75Increase your LB7's potential with this simple but effective upgrade. Back-to-back dyno pulls showed an increase of 15hp with this Fleece Performance high flow LB7 intake horn- that's about the cheapest 15hp from a bolt on you'll find anywhere! Kit...$99.75 -
FLEECE FPE-LML-RES RESONATOR DELETE PLATE DURAMAX LML 6061 ALUMINUM
FLEECE PERFORMANCE
$39.99Want to get rid of that big ugly resonator under the hood of your LML? This billet aluminum plate, anodized in black with Fleece engraved across the top will take its place and give your truck some personality. Our resonator delete plate is designed to...$39.99 -
D&W DIESEL 120-019-0135 NEW DELCO REMY ALTERNATOR 01-05 DURAMAX
D&W DIESEL
$305.42The D&W Diesel 120-019-0135 New Delco Remy Alternator is a premium component designed for GMC Duramax 6.6L engines from 2001 to 2005. With a brand-new condition and top-notch craftsmanship, this alternator ensures optimal performance and reliability in...$305.42 -
MAHLE 41909 PISTON RING SET (STD) FOR 2001-2010 GM 6.6L DURAMAX ENGINE
MAHLE
$245.67The MAHLE 41909 is a premium piston ring set designed for the 2001–2010 GM 6.6L Duramax diesel engines, including LB7, LLY, LBZ, and LMM variants. This set is engineered to meet or exceed OEM specifications, ensuring reliable performance and...$245.67 -
MAHLE 224-3452WR.020 PISTON W/RINGS-RIGHT (.020) FOR 2001-2005 GM 6.6L DURAMAX ENGINE
MAHLE
$909.96The MAHLE 224-3452WR.020 is an OEM-quality piston set designed for the right bank (cylinders 2, 4, 6, and 8) of the 2001–2005 GM 6.6L Duramax LB7 and LLY diesel engines. This set includes four pistons with pre-installed rings, intended for a .020"...$909.96 -
MAHLE 224-3452WR.040 PISTON W/RINGS-RIGHT (.040) FOR 2001-2005 GM 6.6L DURAMAX ENGINE
MAHLE
$909.96The MAHLE 224-3452WR.040 is a high-performance piston set designed for the right bank (cylinders 2, 4, 6, and 8) of the 2001–2005 GM 6.6L Duramax LB7 and LLY diesel engines. This set includes four pistons with pre-installed rings, intended for a ...$909.96 -
MAHLE 224-3452WR PISTON W/RINGS-RIGHT (STD) FOR 2001-2005 GM 6.6L DURAMAX ENGINE
MAHLE
$917.36The MAHLE 224-3452WR is an OEM-quality piston set designed for the right bank (cylinders 2, 4, 6, and 8) of the 2001–2005 GM 6.6L Duramax LB7 and LLY diesel engines. This set includes four pistons with pre-installed rings, intended for standard...$917.36 -
MAHLE 224-3451WR.040 PISTON W/RINGS-LEFT (.040) FOR 2001-2005 GM 6.6L DURAMAX ENGINE
MAHLE
$909.96The MAHLE 224-3451WR.040 is a high-performance piston set designed for the 2001–2005 GM 6.6L Duramax LB7 and LLY diesel engines. This set includes four pistons with pre-installed rings, intended for the left bank (cylinders 1, 3, 5, and 7), and is...$909.96 -
MAHLE 224-3451WR.020 PISTON W/RINGS-LEFT (.020) FOR 2001-2005 GM 6.6L DURAMAX ENGINE
MAHLE
$909.96The MAHLE 224-3451WR.020 is a high-performance piston set designed for the 2001–2005 GM 6.6L Duramax LB7 and LLY diesel engines. This set includes four pistons with pre-installed rings, intended for the left bank (cylinders 1, 3, 5, and 7), and is...$909.96 -
MAHLE 224-3451WR PISTON W/RINGS-LEFT (STD) FOR 2001-2005 GM 6.6L DURAMAX ENGINE
MAHLE
$917.36The MAHLE 224-3451WR is an OEM-quality piston set designed for the 2001–2005 GM 6.6L Duramax LB7 and LLY diesel engines. This set includes four pistons with pre-installed rings, intended for the left bank (cylinders 1, 3, 5, and 7). These pistons...$917.36 -
MAHLE 41909.04 PISTON RING SET (.040) FOR 2001-2010 GM 6.6L DURAMAX ENGINE
MAHLE
$242.13The MAHLE 41909.04 is a high-performance piston ring set designed for the 6.6L Duramax diesel engines in 2001–2010 GM trucks. This set is specifically intended for overbore applications, providing a .040-inch oversize to accommodate engine...$242.13 -
MAHLE 41909.03 PISTON RING SET (.030) FOR 2001-2010 GM 6.6L DURAMAX ENGINE
MAHLE
$255.99The MAHLE 41909.03 is a high-quality piston ring set designed for the 6.6L Duramax diesel engines found in 2001–2010 GM trucks. This set is specifically intended for overbore applications, providing a .030-inch oversize to accommodate engine...$255.99 -
MAHLE 41909.02 PISTON RING SET (.020) FOR 2001-2010 GM 6.6L DURAMAX ENGINE
MAHLE
$240.34The MAHLE 41909.02 is a high-quality piston ring set designed for the 6.6L Duramax diesel engines found in 2001–2010 GM trucks. This set is specifically intended for overbore applications, providing a .020-inch oversize to accommodate engine...$240.34 -
MAHLE 41909.01 PISTON RING SET (.010) FOR 2001-2010 GM 6.6L DURAMAX ENGINE
MAHLE
$248.16The MAHLE 41909.01 is a premium piston ring set designed for the 6.6L Duramax diesel engines in 2001–2010 GM trucks. This set is specifically intended for overbore applications, providing a .010-inch oversize to accommodate engine reconditioning...$248.16 -
MAHLE VS50549 VALVE COVER GASKET SET FOR 2001-2004 GM 6.6L DURAMAX ENGINE
MAHLE
$76.75The MAHLE VS50549 is an engine valve cover gasket set. It's a direct fit replacement for original equipment (OE) valve cover gaskets, including spark plug tube seals and grommets when necessary. The kit is designed to be leak-free and...$76.75 -
MAHLE HS54580A CYLINDER HEAD GASKET SET FOR 2004.5-2007 GM 6.6L DURAMAX ENGINE
MAHLE
$284.15The MAHLE HS54580A is a cylinder head gasket set designed for GM 6.6L Duramax LLY/LBZ engines, specifically those from 2004.5 to 2007. It includes a comprehensive collection of gaskets, seals, and RTV sealant needed for a top-end engine rebuild...$284.15 -
MAHLE HS54580 CYLINDER HEAD GASKET SET FOR 2001-2004 GM 6.6L DURAMAX ENGINE
MAHLE
$262.66The MAHLE HS54580 is a cylinder head gasket set designed for GM 6.6L Duramax LB7 engines from 2001 to 2004. It includes all the gaskets and seals needed for the top end of the engine, including those for the cylinder head, valve cover, and intake...$262.66