
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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MAHLE 54585 HEAD GASKET LEFT (GRADE C 1.05MM) FOR 01-16 GM DURAMAX
MAHLE
$123.04The Mahle 54585HEAD GASKET with Grade C 1.05mm thickness is a high-quality component designed for use in 2001-2016 GM Duramax 6.6L engines, specifically for models LB7/LLY/LBZ/LMM/LML. This gasket is specifically engineered for the left side of the...$123.04 -
MAHLE 54584 HEAD GASKET LEFT (GRADE B 1.00MM) FOR 01-16 GM DURAMAX
MAHLE
$117.87The MAHLE 54584 is a multi-layer steel (MLS) cylinder head gasket designed for specific applications in GM 6.6L Duramax diesel engines. It ensures a reliable seal between the engine block and cylinder head, maintaining optimal compression and preventing...$117.87 -
MAHLE 54583 HEAD GASKET LEFT (GRADE A .95MM) FOR 01-16 GM DURAMAX
MAHLE
$121.31The MAHLE 54583 is a premium multi-layer steel (MLS) cylinder head gasket designed for specific applications in GM 6.6L Duramax diesel engines. It ensures a reliable seal between the engine block and cylinder head, maintaining optimal compression and...$121.31 -
MAHLE 54582 HEAD GASKET RIGHT (GRADE C 1.05MM) FOR 01-16 GM DURAMAX
MAHLE
$118.69The MAHLE 54582 is a right-side cylinder head gasket designed for various GM 6.6L Duramax diesel engines. This gasket is constructed from multi-layer steel (MLS) and has a thickness of 1.05 mm, making it suitable for applications requiring a slightly...$118.69 -
MAHLE 54581 HEAD GASKET RIGHT (GRADE B 1.00MM) FOR 01-16 GM DURAMAX
MAHLE
$117.87The MAHLE 54581 is a right-side cylinder head gasket designed for various GM 6.6L Duramax diesel engines, including LB7, LLY, LBZ, LMM, and LML models. This gasket is part of MAHLE's Grade B series, featuring a 1.00mm thickness and constructed from...$117.87 -
MAHLE 54580 HEAD GASKET RIGHT (GRADE A .95MM) FOR 01-16 GM DURAMAX
MAHLE
$119.19The MAHLE 54580 is a multi-layer steel (MLS) cylinder head gasket designed for various GM 6.6L Duramax diesel engines. It features a thickness of 0.95 mm and is sold individually. This gasket is engineered to meet or exceed original equipment...$119.19 -
MAHLE 95-3726VR ENGINE GASKET KIT SET FOR 01-04 GM DURAMAX
MAHLE
$568.78The MAHLE 95-3726VR is a comprehensive engine gasket set designed for the 2001–2004 GM 6.6L Duramax LB7 diesel engines. This kit includes all the necessary gaskets and seals for a complete engine rebuild, except for the cylinder head gaskets and...$568.78Qty in Cart: 0Quantity:Price:$568.78Subtotal: -
MAHLE CS54580 LOWER ENGINE GASKET SET FOR 07.5-10 GM DURAMAX
MAHLE
$192.85The MAHLE CS54580 is a lower engine gasket set designed for the 2001–2007 GM 6.6L Duramax diesel engines (LB7, LLY, LBZ). This set includes various gaskets and seals necessary for servicing the lower end of the engine block. ? Product Overview ...$192.85 -
MAHLE 67777 REAR MAIN CRANKSHAFT SEAL FOR 01-16 GM DURAMAX
MAHLE
$68.56The MAHLE 67777 is an OEM-standard rear crankshaft seal designed for various GM and Nissan vehicles, including the 2001–2018 Chevrolet Silverado 2500/3500, GMC Sierra 2500/3500, and 2006 Hummer H1. ? Product Overview Part Number: 67777 Type:...$68.56 -
MAHLE SH-1999S CAM SHAFT BUSHING SET FOR 01-13 GM DURAMAX
MAHLE
$151.40The MAHLE SH-1999S is a camshaft bearing set designed for the 2001–2013 GM 6.6L Duramax diesel engines (LB7, LLY, LBZ, LMM, LML). Manufactured by Clevite, a trusted name in engine bearings, this set includes all five camshaft bearings required for...$151.40 -
MAHLE TW-610S THRUST WASHER SET FOR 01-16 GM DURAMAX
MAHLE
$40.19The MAHLE TW-610S is a high-quality thrust washer set designed for the 2001–2016 GM 6.6L Duramax diesel engines (LB7, LLY, LBZ, LMM, LML). This set includes three pieces and is intended for use with MAHLE MS-2218P, MS-2218H, or MS-2218HX main...$40.19 -
MAHLE MS-2218P-.50MM P-SERIES MAIN BEARINGS (.50MM) FOR 01-16 GM DURAMAX
MAHLE
$143.76The MAHLE MS-2218P-.50MM is a Clevite 77 engine crankshaft main bearing set. It's designed for demanding uses like heavy-duty, motorsports, or street performance, according to Amazon. It's manufactured from cast copper-lead, increasing fatigue...$143.76 -
MAHLE MS-2218P-.25MM P-SERIES MAIN BEARING (.25MM) FOR 01-16 GM DURAMAX
MAHLE
$143.76The MAHLE MS-2218P-.25MM is a Clevite 77 TriMetal engine bearing designed for crankshaft main bearings. It's a popular choice for engine rebuilding, particularly in situations where heavier use is anticipated, such as in heavy-duty,...$143.76 -
MAHLE MS-2218P P-SERIES MAIN BEARINGS (STD) FOR 01-16 GM DURAMAX
MAHLE
$138.90Designed to provide exceptional performance and durability, the Mahle MS-2218P Main Bearings P-Series are the ideal choice for your 2001-2016 GM Duramax 6.6L LB7, LLY, LBZ, LMM, and LML engines. Model Model year C4500 Kodiak 2003 - 2007 C5500 Kodiak...$138.90 -
MAHLE MS-2218H-.25MM H-SERIES MAIN BEARING (.025MM) FOR 01-16 GM DURAMAX
MAHLE
$236.74The MAHLE MS-2218H-.25MM Main Bearing is a high-quality product designed specifically for 2001-2005 GM Duramax 6.6L LB7/LLY/LBZ/LMM trucks. Engineered as a part of the MAHLE H Series, this competition-grade main bearing ensures exceptional performance...$236.74 -
MAHLE MS-2218H-.026MM H-SERIES MAIN BEARING (.026MM) FOR 01-16 GM DURAMAX
MAHLE
$232.27The MAHLE MS-2218H-.026MM is a high-performance main bearing set specifically designed for the Duramax 6.6L diesel engine (2001-2016). These bearings are part of the Clevite H-Series, known for their high crush and hardened steel back...$232.27 -
MAHLE MS-2218HX H-SERIES MAIN BEARINGS (STD + .001) FOR 01-16 GM DURAMAX
MAHLE
$245.98The MAHLE MS-2218HX Main Bearings H-Series-Standard Size + .001" Extra Clearance for 2001-2016 GM Duramax 6.6L LB7/LLY/LBZ/LMM/LML engines are a top-of-the-line product offering exceptional performance and durability. These CLEVITE MS-2218HX Competition...$245.98 -
MAHLE MS-2218H H-SERIES MAIN BEARING (STD) FOR 01-16 GM DURAMAX
MAHLE
$235.78The MAHLE MS-2218H bearing is a Clevite H-Series performance bearing used for crankshafts in medium to high RPM engines. These bearings have a medium level of eccentricity, high crush, and a hardened steel back with a thin overlay. They are...$235.78 -
MAHLE CB-1805P-.50MM(8) P-SERIES ROD BEARING SET (.50MM) FOR 01-16 GM DURAMAX
MAHLE
$172.08The MAHLE CB-1805P-.50MM(8) is a set of eight P-Series connecting rod bearings, each undersized by 0.50mm, designed for the 2001–2016 GM 6.6L Duramax diesel engines (LB7, LLY, LBZ, LMM, LML). These bearings are ideal for compensating for wear in...$172.08 -
MAHLE CB-1805P-.50MM P-SERIES ROD BEARING (.50MM) FOR 01-16 GM DURAMAX
MAHLE
$21.22The MAHLE CB-1805P-.50MM is a P-Series connecting rod bearing designed for the 2001–2016 GM 6.6L Duramax diesel engines (LB7, LLY, LBZ, LMM, LML). This bearing is undersized by 0.50mm, making it suitable for engines with crankshaft journals that...$21.22 -
MAHLE CB-1805P-.25MM(8) P-SERIES ROD BEARINGS SET (.25MM) FOR 01-16 GM DURAMAX
MAHLE
$172.08The MAHLE CB-1805P-.25MM(8) is a set of eight P-Series connecting rod bearings, each undersized by 0.25mm, designed for the 2001–2016 GM 6.6L Duramax diesel engines (LB7, LLY, LBZ, LMM, LML). These bearings are ideal for compensating for wear in...$172.08 -
MAHLE CB-1805P-.25MM P-SERIES ROD BEARING (.25MM) FOR 01-16 GM DURAMAX
MAHLE
$20.67The MAHLE CB-1805P-.25MM is a P-Series connecting rod bearing designed for the 2001–2016 GM 6.6L Duramax diesel engines (LB7, LLY, LBZ, LMM, LML). This bearing is undersized by 0.25mm, making it suitable for engines with crankshaft journals that...$20.67 -
MAHLE CB-1805P(8) P-SERIES ROD BEARINGS SET (STD) FOR 01-16 GM DURAMAX
MAHLE
$172.08The MAHLE CB-1805P(8) is a set of eight P-Series connecting rod bearings designed for the 2001–2016 GM 6.6L Duramax diesel engines (LB7, LLY, LBZ, LMM, LML). These bearings are engineered to meet or exceed OEM specifications, ensuring optimal...$172.08 -
MAHLE CB-1805P P-SERIES ROD BEARING (STD) FOR 01-16 GM DURAMAX
MAHLE
$20.35The MAHLE CB-1805P is a high-performance connecting rod bearing designed for the 2001–2016 GM 6.6L Duramax diesel engines, including LB7, LLY, LBZ, LMM, and LML variants. This bearing is part of the P-Series line, known for its durability and...$20.35 -
MAHLE CB-1805H-.25MM H-SERIES ROD BEARING (.025MM) FOR 01-16 GM DURAMAX
MAHLE
$46.44The MAHLE CB-1805H-.25MM is a high-performance connecting rod bearing designed for the 2001–2016 GM 6.6L Duramax diesel engines, including LB7, LLY, LBZ, LMM, and LML variants. This bearing is part of the H-Series line, known for its durability and...$46.44 -
MAHLE CB-1805H-.026MM H-SERIES ROD BEARING (.026MM) FOR 01-16 GM DURAMAX
MAHLE
$45.15The MAHLE CB-1805H-.026MM is a high-performance connecting rod bearing designed for the 2001–2016 GM 6.6L Duramax diesel engines, including LB7, LLY, LBZ, LMM, and LML variants. This bearing is part of the H-Series line, known for its durability...$45.15 -
MAHLE CB-1805HX H-SERIES ROD BEARING (STD + .001) FOR 01-16 GM DURAMAX
MAHLE
$47.44The MAHLE CB-1805HX is a high-performance connecting rod bearing designed for the 2001–2016 GM 6.6L Duramax diesel engines, including LB7, LLY, LBZ, LMM, and LML variants. Manufactured by MAHLE Clevite, this bearing is part of their H-Series line,...$47.44 -
MAHLE CB-1805H H-SERIES ROD BEARING (STD) FOR 01-16 GM DURAMAX
MAHLE
$45.15The MAHLE CB-1805H is a high-performance connecting rod bearing designed for the 2001–2016 GM 6.6L Duramax diesel engines, including LB7, LLY, LBZ, LMM, and LML variants. Manufactured by MAHLE Clevite, this bearing is part of their H-Series line,...$45.15 -
MAHLE S41909 PISTON RING SET (STD) FOR 01-10 GM DURAMAX
MAHLE
$97.05The MAHLE S41909 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...$97.05 -
MAHLE 41909 PISTON RING SET (STD) FOR 01-10 GM DURAMAX
MAHLE
$340.79The 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...$340.79 -
MAHLE 224-3452WR.020 PISTON W/RINGS-RIGHT (.020) FOR 01-05 GM DURAMAX
MAHLE
$857.35The 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"...$857.35 -
MAHLE 224-3452WR.040 PISTON W/RINGS-RIGHT (.040) FOR 01-05 GM DURAMAX
MAHLE
$861.12The 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 ...$861.12 -
MAHLE 224-3452WR PISTON W/RINGS-RIGHT (STD) FOR 01-05 GM DURAMAX
MAHLE
$864.34The 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...$864.34 -
MAHLE 224-3451WR.040 PISTON W/RINGS-LEFT (.040) FOR 01-05 GM DURAMAX
MAHLE
$860.62The 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...$860.62 -
MAHLE 224-3451WR.020 PISTON W/RINGS-LEFT (.020) FOR 01-05 GM DURAMAX
MAHLE
$857.35The 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...$857.35 -
MAHLE 224-3451WR PISTON W/RINGS-LEFT (STD) FOR 01-05 GM DURAMAX
MAHLE
$864.34The 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...$864.34 -
MAHLE 41909.04 PISTON RING SET (.040) FOR 01-10 GM DURAMAX
MAHLE
$335.88The 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...$335.88 -
MAHLE 41909.03 PISTON RING SET (.030) FOR 01-10 GM DURAMAX
MAHLE
$355.11The 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...$355.11 -
MAHLE 41909.02 PISTON RING SET (.020) FOR 01-10 GM DURAMAX
MAHLE
$333.40The 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...$333.40 -
MAHLE 41909.01 PISTON RING SET (.010) FOR 01-10 GM DURAMAX
MAHLE
$344.25The 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. ...$344.25 -
MAHLE VS50549 VALVE COVER GASKET SET FOR 01-04 GM DURAMAX
MAHLE
$106.47The 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...$106.47 -
MAHLE HS54580A CYLINDER HEAD GASKET SET FOR 04.5-07 GM DURAMAX
MAHLE
$394.17The 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. ...$394.17 -
MAHLE HS54580 CYLINDER HEAD GASKET SET FOR 01-04 GM DURAMAX
MAHLE
$364.36The 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...$364.36