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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CARRILLO DM6418H 6.6L DURAMAX LML PRO-H CONNECTING ROD SET (WITH H-11 BOLTS)
CARRILLO
$3,961.24The 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...$3,961.24 -
CARRILLO DM6418S 6.6L DURAMAX LML PRO-H CONNECTING ROD SET (WITH CARR BOLTS)
CARRILLO
$4,422.26The 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...$4,422.26 -
WAGLER WCPC6669 PINNED OIL PUMP 2001-2010 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM
WAGLER COMPETITION PRODUCTS
$678.18Enhance the performance and durability of your 2001-2010 GM 6.6L Duramax engine with the WAGLER WCPC6669 Pinned Oil Pump. This top-of-the-line oil pump is designed to be a game-changer for your vehicle and promises improved functionality like never...$678.18 -
WAGLER WCPC6664 PUSHROD SET 2001-2016 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
WAGLER COMPETITION PRODUCTS
$489.41Enhance the performance and durability of your 2001-2016 GM 6.6L Duramax engine with the Wagler WCPC6664 Pushrod Set. Crafted from high-quality 3/8" x .135 wall 4130 Chromoly, these pushrods are designed to withstand the rigors of increased engine RPM...$489.41 -
WAGLER WCPC6658.1 STREET GIRDLE 2001-2010 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM
WAGLER COMPETITION PRODUCTS
$1,188.56The 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...$1,188.56 -
WAGLER WCPC6643 DUAL VALVE SPRING KIT WITH STEEL RETAINERS 2001-2016 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
WAGLER COMPETITION PRODUCTS
$838.98Enhance the performance of your GM 6.6L Duramax engine with the WCP Duramax Dual Valve Spring Kit with steel retainers. Specifically designed for the 2001-2016 Duramax LB7/LLY/LBZ/LMM/LML models, this dual valve spring kit is engineered to deliver...$838.98 -
WAGLER WCPC6641 BILLET MAIN CAPS 2001-2016 GM 6.6L DURAMAX
WAGLER COMPETITION PRODUCTS
$1,048.73WAGLER WCPC6641 BILLET MAIN CAPS are the ultimate solution for enhancing the performance and durability of your 2001-2016 GM 6.6L Duramax engine. Expertly crafted by Wagler®, these top-grade main caps are meticulously manufactured to meet stringent...$1,048.73 -
WAGLER WCPC6622.1 STREET INTAKE MANIFOLD 2001-2004 GM 6.6L DURAMAX LB7
WAGLER COMPETITION PRODUCTS
$1,747.88The 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...$1,747.88 -
WAGLER WCPC6618 BILLET ROCKER ARM BRIDGE SET 2001-2016 GM 6.6L DURAMAX
WAGLER COMPETITION PRODUCTS
$629.24Elevate the performance of your 2001-2016 GM 6.6L Duramax with the formidable Wagler WCPC6618 Billet Rocker Arm Bridge Set. Crafted to perfection, these sturdy rocker arm bridges are engineered from 4340ACQ certified billet steel, ensuring exceptional...$629.24 -
WAGLER WCPC661025.2 MECHANICAL BELT TENSIONER 2011-2016 GM 6.6L DURAMAX LML
WAGLER COMPETITION PRODUCTS
$524.36Designed for the discerning Duramax enthusiast, the Wagler WCPC661025.2 Mechanical Belt Tensioner offers superior performance and reliability for 2011-2016 GM 6.6L Duramax LML engines. Crafted by Wagler Competition Products, this mechanical belt...$524.36 -
WAGLER WCPC661025.1 MECHANICAL BELT TENSIONER 2004.5-2010 GM 6.6L DURAMAX LLY/LBZ/LMM
WAGLER COMPETITION PRODUCTS
$524.36The Wagler WCPC661025.1 Mechanical Belt Tensioner for 2004.5-2010 GM 6.6L Duramax LLY/LBZ/LMM engines is a powerhouse of a product designed to revolutionize your truck's serpentine belt system. This specialized tensioner replaces the factory spring belt...$524.36 -
WAGLER WCPCRC6.6ST STREET FIGHTER CONNECTING RODS (SET OF 8) 2001-2016 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
WAGLER COMPETITION PRODUCTS
$2,726.69The Wagler WCPCRC6.6ST Street Fighter Connecting Rods are a premium choice for enhancing the performance of your 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML engine. Designed specifically for hot street trucks producing up to 1,000 HP, these connecting...$2,726.69 -
WAGLER WCPCRC6.6 CONNECTING ROD SET 2001-2016 GM 6.6L DURAMAX
WAGLER COMPETITION PRODUCTS
$4,474.56Enhance the performance and durability of your 2001-2016 GM 6.6L Duramax engine with the top-of-the-line Wagler WCPCRC6.6 Connecting Rod Set. Crafted with precision and excellence in mind, these connecting rods are a testament to Wagler Competition...$4,474.56 -
MAHLE PISTON SET W/RINGS (1.00MM) 11-16 DURAMAX - 224-3935WR-1.00MM
MAHLE
$1,072.44MAHLE presents the 224-3935WR-1.00MM Piston Set with Rings, designed for the 2011-2016 GM 6.6L Duramax LML/LGH engines. This piston set features top-notch OE quality, ensuring optimal performance and reliability for your vehicle. Crafted with precision,...$1,072.44 -
MAHLE PISTON W/RINGS (.75MM) 11-16 DURAMAX - 224-3935WR-0.75MM
MAHLE
$1,100.63The MAHLE 224-3935WR-0.75MM Piston with Rings .75mm is a premium engine piston set designed for the 2011-2016 GM 6.6L Duramax LML/LGH engines. Engineered with OE quality and precision, MAHLE pistons boast exceptional features that ensure optimal...$1,100.63 -
MAHLE PISTON W/RINGS (.50MM) 11-16 DURAMAX - 224-3935WR-0.50MM
MAHLE
$1,100.63MAHLE presents the 224-3935WR-0.50MM Piston Set with Rings, designed for 2011-2016 GM 6.6L Duramax LML/LGH engines. Crafted to OE quality standards, these pistons boast outstanding features crucial for optimal engine performance. The compensated ring...$1,100.63 -
MAHLE PISTONS W/RINGS (STD) 11-16 DURAMAX - 224-3935WR
MAHLE
$1,100.63The MAHLE 224-3935WR Piston Set with Rings is a top-quality engine piston set designed specifically for the 2011-2016 GM 6.6L Duramax LML/LGH engines. Made by MAHLE, a renowned OE piston manufacturer, these pistons are crafted to deliver exceptional...$1,100.63 -
MAHLE PISTON KIT W/RINGS-LEFT (.040) 06-10 DURAMAX - 224-3709WR.040
MAHLE
$792.95The MAHLE 224-3709WR.040 Piston Kit with Rings-Left-.040 Over Bore is a high-quality engine piston set designed for the 2006-2010 GM Duramax 6.6L LLY/LBZ/LMM engines. This piston kit offers outstanding OE quality and features that ensure top-notch...$792.95 -
MAHLE PISTON KIT W/RINGS-LEFT (.030) 06-10 DURAMAX - 224-3709WR.030
MAHLE
$792.95The MAHLE 224-3709WR.030 Piston Kit with Rings is a top-quality engine piston set designed for precise fit and optimum performance in 2006-2010 GM Duramax 6.6L LLY/LBZ/LMM engines. MAHLE is renowned for providing OE quality products, and this piston kit...$792.95 -
MAHLE PISTON KIT W/RINGS-LEFT (.020) 06-10 DURAMAX - 224-3709WR.020
MAHLE
$792.95The MAHLE 224-3709WR.020 Piston Kit with Rings - Left-.020 Over Bore is an exceptional engine piston set designed for 2006-2010 GM Duramax 6.6L LLY/LBZ/LMM models. Crafted with the renowned OE quality synonymous with MAHLE®, these pistons embody...$792.95 -
MAHLE PISTON KIT W/RINGS-LEFT (.010) 06-10 DURAMAX - 224-3709WR.010
MAHLE
$792.95Experience unparalleled performance and reliability with the MAHLE 224-3709WR.010 Piston Kit with Rings for 2006-2010 GM Duramax 6.6L engines. Specifically designed for the LLY, LBZ, and LMM models, this precision-engineered piston kit ensures optimal...$792.95 -
MAHLE PISTON KIT W/RINGS-LEFT (STD) 06-10 DURAMAX - 224-3709WR
MAHLE
$792.95The MAHLE 224-3709WR Piston Kit with Rings is a superior engine piston set designed for the 2006-2010 GM Duramax 6.6L LLY/LBZ/LMM models. Crafted with OE quality, these pistons offer exceptional features to enhance the performance and longevity of your...$792.95 -
MAHLE ENGINE PISTON KIT-LEFT (.030) 06-10 DURAMAX - 224-3709.030
MAHLE
$622.64The MAHLE 224-3709.030 Engine Piston Kit is a top-quality product designed specifically for the 2006-2010 GM Duramax 6.6L LLY/LBZ/LMM engines. If you are looking to enhance the performance and efficiency of your vehicle, this piston kit is the perfect...$622.64 -
MAHLE ENGINE PISTON KIT-LEFT (.010) 06-10 DURAMAX - 224-3709.010
MAHLE
$622.64Product: MAHLE 224-3709.010 Engine Piston Kit - Left - .010 Over Bore 2006-2010 GM Duramax 6.6L LLY/LBZ/LMMEnhance the performance and efficiency of your 2006-2010 GM Duramax 6.6L LLY/LBZ/LMM engine with the MAHLE 224-3709.010 Engine Piston Kit. This...$622.64 -
MAHLE PISTON KIT W/RINGS-RIGHT (.040) 06-10 DURAMAX - 224-3708WR.040
MAHLE
$792.95The MAHLE 224-3708WR.040 Piston Kit with Rings - Right - .040 Over Bore is a top-quality engine piston set designed for the 2006-2010 GM Duramax 6.6L LLY/LBZ/LMM. This piston kit is meticulously crafted with OE quality by MAHLE, a renowned manufacturer...$792.95 -
MAHLE PISTON KIT W/RINGS-RIGHT (.030) 06-10 DURAMAX - 224-3708WR.030
MAHLE
$792.95Enhance the performance and reliability of your 2006-2010 GM Duramax 6.6L LLY/LBZ/LMM engine with the MAHLE 224-3708WR.030 Piston Kit with Rings. This top-of-the-line engine piston set is designed to meet OE quality standards, ensuring maximum durability...$792.95 -
MAHLE PISTON KIT W/RINGS-RIGHT (.020) 06-10 DURAMAX - 224-3708WR.020
MAHLE
$792.95The MAHLE 224-3708WR.020 Piston Set with Rings is a high-quality engine piston set designed for 2006-2010 GM Duramax 6.6L LLY/LBZ/LMM engines. Offering superior OE quality, MAHLE pistons feature compensated ring grooves that ensure optimal ring loading...$792.95 -
MAHLE PISTON KIT W/RINGS-RIGHT (.010) 06-10 DURAMAX - 224-3708WR.010
MAHLE
$792.95The MAHLE 224-3708WR.010 Piston Kit with Rings-Right-.010 Over Bore is a top-quality engine piston set designed for the 2006-2010 GM Duramax 6.6L LLY/LBZ/LMM engines. Crafted with precision and performance in mind, MAHLE pistons are known for their OE...$792.95 -
MAHLE PISTON KIT W/RINGS-RIGHT (STD) 06-10 DURAMAX - 224-3708WR
MAHLE
$792.95The MAHLE 224-3708WR Piston Kit with Rings-Right-Standard Bore is the ideal solution for your 2006-2010 GM Duramax 6.6L LLY/LBZ/LMM engine. Engineered with precision and quality in mind, these pistons are designed to deliver optimal performance and...$792.95 -
MAHLE ENGINE PISTON KIT-RIGHT (.030) 06-10 DURAMAX - 224-3708.030
MAHLE
$622.64MAHLE 224-3708.030 Engine Piston Kit-Right-.030 Over Bore for 2006-2010 GM Duramax 6.6L LLY/LBZ/LMM engines is a top-quality piston set designed to meet OE standards and performance requirements. Featuring OE-quality components, this piston kit is...$622.64 -
MAHLE ENGINE PISTON KIT-RIGHT (.010) 06-10 DURAMAX - 224-3708.010
MAHLE
$622.64The MAHLE 224-3708.010 Engine Piston Kit is specifically designed for the 2006-2010 GM Duramax 6.6L LLY/LBZ/LMM engines, offering an outstanding OE quality solution for your vehicle's piston needs. This engine piston set embodies precision engineering...$622.64 -
ARP 900-0750 PISTON RING COMPRESSOR 4.075" BORE 2001-2016 GM DURAMAX 6.6L
ARP
$90.88The ARP 900-0750 Piston Ring Compressor is essential for engine maintenance and rebuilds on 2001-2016 GM Duramax 6.6L engines with a 4.075" bore. This precision tool is designed to effortlessly compress piston rings, allowing for easy installation into...$90.88 -
ARP 900-0550 PISTON RING COMPRESSOR 4.055" BORE 2001-2016 GM DURAMAX 6.6L
ARP
$90.88The ARP 900-0550 Piston Ring Compressor is a premium tool designed for use with 4.055" bore engines, specifically tailored for the 2001-2016 GM 6.6L Duramax engine. As a standard size compressor, it boasts precision engineering and a durable construction...$90.88 -
ARP 230-6301 ROD BOLT KIT 2001-2010 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM
ARP
$321.60The ARP 230-6301 Rod Bolt Kit is a high-performance upgrade designed for 2001-2010 GM 6.6L Duramax engines, specifically the LB7, LLY, LBZ, and LMM models. If you are looking to enhance the durability and reliability of your engine's internals, this rod...$321.60 -
ARP 230-5402 MAIN STUD KIT 2006-2010 GM 6.6L DURAMAX LBZ/LMM
ARP
$356.55The ARP 230-5402 Diesel Main Stud Kit is specifically designed for the 2006-2010 GM 6.6L Duramax LBZ/LMM engine, providing a reliable solution to strengthen the main bearing cap fastening in your vehicle. This kit is a high-performance upgrade that...$356.55 -
ARP 230-5401 MAIN STUD KIT 2001-2005 GM 6.6L DURAMAX LB7/LLY
ARP
$356.55The ARP 230-5401 Diesel Main Stud Kit is specifically designed for the 2001-2005 GM 6.6L Duramax LB7/LLY engines, offering an essential upgrade for optimal performance and reliability. Crafted by ARP, a leading manufacturer of high-performance engine...$356.55 -
ARP 230-4301 HEAD STUD KIT 2017-2021 GM 6.6L DURAMAX L5P
ARP
$964.81The ARP 230-4301 Head Stud Kit is designed specifically for the 2017-2021 GM 6.6L Duramax L5P diesel engines, offering an essential upgrade for performance and reliability. Crafted by ARP, a trusted name in automotive hardware, this head stud kit is...$964.81 -
ARP 230-4202 HEAD STUD KIT-625 SERIES 2001-2016 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
ARP
$2,415.30The ARP 230-4202 Head Stud Kit-625 Series is designed for the 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML engines. This durable and reliable head stud kit is a crucial component for enhancing the performance and reliability of your Duramax engine...$2,415.30 -
ARP 230-4201 HEAD STUD KIT 2001-2016 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
ARP
$876.72The ARP 230-4201 Head Stud Kit is a high-quality and reliable solution for enhancing the performance and durability of your 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML engine. Engineered with precision and crafted with superior materials, this ARP 2000...$876.72 -
ARP 230-2901 FLEXPLATE BOLT KIT 2001-2010 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM
ARP
$121.64The ARP 230-2901 Flexplate Bolt Kit is specifically designed for Chevrolet and GM 6.6L Duramax Diesel engines, providing a secure and reliable solution for attaching the flexplate to the crankshaft. This bolt kit is tailored to fit 2001-2010 GM 6.6L...$121.64 -
ARP 230-2801 FLYWHEEL BOLT KIT 2001-2007 GM 6.6L DURAMAX LB7/LLY/LBZ
ARP
$118.84The ARP 230-2801 Flywheel Bolt Kit is designed to provide superior durability and performance for your 2001-2007 GM 6.6L Duramax LB7/LLY/LBZ engine. Made by the renowned automotive performance parts manufacturer ARP, this bolt kit ensures that your...$118.84 -
ARP 129-2503 BALANCER BOLT KIT 2001-2019 GM 6.6L DURAMAX LLY/LBZ/LMM/LML
ARP
$41.94The ARP 129-2503 Balancer Bolt Kit is designed to provide a reliable and durable solution for your 2001-2019 GM 6.6L Duramax engine. This kit is specifically engineered for use with LLY, LBZ, LMM, and LML model engines, ensuring compatibility and precise...$41.94 -
ARP 100-7534 VALVE COVER BOLT KIT-HEX 2004.5-2016 GM 6.6L DURAMAX LLY/LBZ/LMM/LML
ARP
$151.00The ARP 100-7534 Duramax 6.6L LBZ/LLY/LML/LMM Hex Valve Cover Bolt Kit is a premium aftermarket accessory designed for General Motors vehicles with 6.6L Duramax engines manufactured between 2004.5 and 2016. Perfectly suited for the demanding needs of...$151.00 -
ARP 100-7533 VALVE COVER BOLT KIT-12PT 2004.5-2016 GM 6.6L DURAMAX LLY/LBZ/LMM/LML
ARP
$167.78Enhance 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...$167.78 -
ARP 100-7532 VALVE COVER BOLT KIT-HEX 2001-2004 DURAMAX LB7
ARP
$107.66The 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...$107.66 -
ARP 100-7531 VALVE COVER BOLT KIT-12PT 2001-2004 DURAMAX LB7
ARP
$118.84The 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...$118.84 -
FLEECE FPE-61-10002-D 2004.5-2005 FACTORY LLY DURAMAX CYLINDER HEAD (DRIVER SIDE)
FLEECE PERFORMANCE
$1,536.73Introducing 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,...$1,536.73 -
FLEECE FPE-61-10002-P 2004.5-2005 FACTORY LLY DURAMAX CYLINDER HEAD (PASSENGER SIDE)
FLEECE PERFORMANCE
$1,536.73Introducing 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,...$1,536.73 -
FLEECE FPE-61-10003-D 2006-2010 FACTORY LBZ/LMM DURAMAX CYLINDER HEAD (DRIVER SIDE)
FLEECE PERFORMANCE
$1,536.73Introducing 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,...$1,536.73 -
FLEECE FPE-61-10003-P 2006-2010 FACTORY LBZ/LMM DURAMAX CYLINDER HEAD (PASSENGER SIDE)
FLEECE PERFORMANCE
$1,536.73Introducing 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,...$1,536.73 -
FLEECE FPE-61-10004-D 2011-2016 FACTORY LML DURAMAX CYLINDER HEAD (DRIVER SIDE)
FLEECE PERFORMANCE
$1,536.73Introducing 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,...$1,536.73 -
FLEECE FPE-61-10004-P 2011-2016 FACTORY LML DURAMAX CYLINDER HEAD (PASSENGER SIDE)
FLEECE PERFORMANCE
$1,536.73Introducing 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,...$1,536.73 -
FLEECE FPE-DMAX-OC-BLK 2001-2016 DURAMAX OIL CAP BLACK
FLEECE PERFORMANCE
$55.92Enhance the aesthetic appeal of your engine bay with the FLEECE FPE-DMAX-OC-BLK 2001-2016 Duramax Oil Cap, a perfect blend of style and functionality. Crafted from high-quality billet aluminum, this oil cap is designed specifically for Chevy Duramax...$55.92 -
FLEECE FPE-DMAX-OC-RED 2001-2016 DURAMAX OIL CAP RED
FLEECE PERFORMANCE
$55.92Transform your engine bay into a standout feature with the FLEECE FPE-DMAX-OC-RED Oil Cap, meticulously designed for 2001-2016 Duramax models. Crafted from high-quality billet aluminum, this eye-catching red oil cap not only enhances the aesthetic appeal...$55.92 -
FLEECE FPE-INTAKEHORN MODIFIED LB7 INTAKE HORN
FLEECE PERFORMANCE
$139.48Elevate the performance of your LB7 engine with the Fleece FPE-INTAKEHORN Modified LB7 Intake Horn. Engineered for efficiency and power, this high-flow intake horn is a must-have for anyone looking to unlock their engine's full potential. A...$139.48 -
FLEECE FPE-LML-RES RESONATOR DELETE PLATE DURAMAX LML 6061 ALUMINUM
FLEECE PERFORMANCE
$55.92Want 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...$55.92 -
D&W DIESEL 120-019-0135 NEW DELCO REMY ALTERNATOR 01-05 DURAMAX
D&W DIESEL
$427.07The 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...$427.07 -
MAHLE PISTON W/RINGS-RIGHT (.020) 01-05 DURAMAX - 224-3452WR.020
MAHLE
$878.92Enhance the performance of your 2001-2005 Duramax LLY/LB7 engine with the MAHLE 224-3452WR.020 Piston with Rings. This engine piston set is designed to meet OE quality standards, ensuring top-notch performance and durability for your vehicle.MAHLE...$878.92 -
MAHLE PISTON W/RINGS-RIGHT (.040) 01-05 DURAMAX - 224-3452WR.040
MAHLE
$900.67The MAHLE 224-3452WR.040 Piston with Rings Right Bank-.040 over size is a high-quality engine piston set designed specifically for the 2001-2005 Duramax LLY/LB7 models. Engineered to OE standards, MAHLE pistons boast exceptional OE features that ensure...$900.67 -
MAHLE PISTON W/RINGS-RIGHT (STD) 01-05 DURAMAX - 224-3452WR
MAHLE
$884.12MAHLE 224-3452WR Piston with Rings Right Bank-Standard Size 2001-2005 Duramax LLY/LB7 is a top-of-the-line engine piston set engineered to deliver exceptional performance and durability. Crafted with precision and adhering to OE quality standards,...$884.12 -
MAHLE PISTON W/RINGS-LEFT (.040) 01-05 DURAMAX - 224-3451WR.040
MAHLE
$900.67The MAHLE 224-3451WR.040 Piston with Rings Left Bank-.040 Over Size is an exceptional engine piston set designed specifically for the 2001-2005 Duramax LLY/LB7 engines. With a focus on OE quality, MAHLE pistons offer superior features that ensure optimal...$900.67 -
MAHLE PISTON W/RINGS-LEFT (.020) 01-05 DURAMAX - 224-3451WR.020
MAHLE
$900.51Engine builders looking for top-quality and reliable engine pistons need look no further than the MAHLE 224-3451WR.020 Piston with Rings for the left bank of Duramax LLY/LB7 engines from 2001-2005. Crafted to OE standards, MAHLE pistons boast outstanding...$900.51 -
MAHLE PISTON W/RINGS-LEFT (STD) 01-05 DURAMAX - 224-3451WR
MAHLE
$878.92Enhance the performance of your 2001-2005 Duramax LLY/LB7 engine with the MAHLE 224-3451WR Piston with Rings Left Bank in standard size. This engine piston set is the perfect solution to maintain the power and efficiency of your vehicle.MAHLE®...$878.92 -
MAHLE VALVE COVER GASKET SET 01-04 DURAMAX LB7 - VS50549
MAHLE
$93.32The MAHLE VS50549 Engine Valve Cover Gasket Set is a premium quality sealing product designed specifically for 2001-2004 GM 6.6L Duramax LB7 engines. This gasket set is a vital component in maintaining the integrity of your engine, ensuring optimal...$93.32 -
MAHLE CYLINDER HEAD GASKET SET 04.5-07 DURAMAX - HS54580A
MAHLE
$345.51The MAHLE HS54580AHEAD GASKET Set is a high-quality and reliable product designed for 2004.5-2007 GM 6.6L Duramax engines. This set includes essential gaskets and seals required for proper engine operation, ensuring a tight and secure seal for optimal...$345.51 -
MAHLE CYLINDER HEAD GASKET SET 01-04 DURAMAX LB7 - HS54580
MAHLE
$319.37Elevate the performance and reliability of your engine with the MAHLE HS54580HEAD GASKET Set for 2001-2004 GM 6.6L Duramax LB7. Engineered to the highest standards, this gasket set boasts the part number HS54580 and GTIN/EAN 00027067724175, ensuring a...$319.37