
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.
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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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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...$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 -
WAGLER WCPC6669 PINNED OIL PUMP 2001-2010 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM
WAGLER COMPETITION PRODUCTS
$485.00Enhance 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...$485.00 -
WAGLER WCPC6664 PUSHROD SET 2001-2016 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
WAGLER COMPETITION PRODUCTS
$350.00Enhance 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...$350.00 -
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 WCPC6643 DUAL VALVE SPRING KIT WITH STEEL RETAINERS 2001-2016 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
WAGLER COMPETITION PRODUCTS
$600.00Enhance 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...$600.00 -
WAGLER WCPC6641 BILLET MAIN CAPS 2001-2016 GM 6.6L DURAMAX
WAGLER COMPETITION PRODUCTS
$750.00WAGLER 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...$750.00 -
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 -
WAGLER WCPC6618 BILLET ROCKER ARM BRIDGE SET 2001-2016 GM 6.6L DURAMAX
WAGLER COMPETITION PRODUCTS
$450.00Elevate 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...$450.00 -
WAGLER WCPC661025.2 MECHANICAL BELT TENSIONER 2011-2016 GM 6.6L DURAMAX LML
WAGLER COMPETITION PRODUCTS
$375.00Designed 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...$375.00 -
WAGLER WCPC661025.1 MECHANICAL BELT TENSIONER 2004.5-2010 GM 6.6L DURAMAX LLY/LBZ/LMM
WAGLER COMPETITION PRODUCTS
$375.00The 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...$375.00 -
WAGLER WCPCRC6.6ST STREET FIGHTER CONNECTING RODS (SET OF 8) 2001-2016 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
WAGLER COMPETITION PRODUCTS
$1,950.00The 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...$1,950.00 -
WAGLER WCPCRC6.6 CONNECTING ROD SET 2001-2016 GM 6.6L DURAMAX
WAGLER COMPETITION PRODUCTS
$3,200.00Enhance 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...$3,200.00 -
MAHLE 224-3935WR-1.00MM PISTON SET W/RINGS (1.00MM) FOR 2011-2016 GM 6.6L DURAMAX ENGINE
MAHLE
$1,682.40MAHLE 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,...$1,682.40 -
MAHLE 224-3935WR-0.75MM PISTON W/RINGS (.75MM) FOR 2011-2016 GM 6.6L DURAMAX ENGINE
MAHLE
$1,682.40The 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...$1,682.40 -
MAHLE 224-3935WR-0.50MM PISTON W/RINGS (.50MM) FOR 2011-2016 GM 6.6L DURAMAX ENGINE
MAHLE
$1,770.96MAHLE 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...$1,770.96 -
MAHLE 224-3935WR PISTONS W/RINGS (STD) FOR 2011-2016 GM 6.6L DURAMAX ENGINE
MAHLE
$1,770.96The 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...$1,770.96 -
MAHLE 224-3709WR.040 PISTON KIT W/RINGS-LEFT (.040) FOR 2006-2010 GM 6.6L DURAMAX ENGINE
MAHLE
$967.08The 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...$967.08 -
MAHLE 224-3709WR.030 PISTON KIT W/RINGS-LEFT (.030) FOR 2006-2010 GM 6.6L DURAMAX ENGINE
MAHLE
$983.84The 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...$983.84 -
MAHLE 224-3709WR.020 PISTON KIT W/RINGS-LEFT (.020) FOR 2006-2010 GM 6.6L DURAMAX ENGINE
MAHLE
$1,193.60The 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...$1,193.60 -
MAHLE 224-3709WR.010 PISTON KIT W/RINGS-LEFT (.010) FOR 2006-2010 GM 6.6L DURAMAX ENGINE
MAHLE
$967.76Experience 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...$967.76 -
MAHLE 224-3709WR PISTON KIT W/RINGS-LEFT (STD) FOR 2006-2010 GM 6.6L DURAMAX ENGINE
MAHLE
$1,192.16The 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...$1,192.16 -
MAHLE 224-3708WR.040 PISTON KIT W/RINGS-RIGHT (.040) FOR 2006-2010 GM 6.6L DURAMAX ENGINE
MAHLE
$966.16The 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...$966.16 -
MAHLE 224-3708WR.030 PISTON KIT W/RINGS-RIGHT (.030) FOR 2006-2010 GM 6.6L DURAMAX ENGINE
MAHLE
$982.84Enhance 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...$982.84 -
MAHLE 224-3708WR.020 PISTON KIT W/RINGS-RIGHT (.020) FOR 2006-2010 GM 6.6L DURAMAX ENGINE
MAHLE
$1,192.16The 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...$1,192.16 -
MAHLE 224-3708WR.010 PISTON KIT W/RINGS-RIGHT (.010) FOR 2006-2010 GM 6.6L DURAMAX ENGINE
MAHLE
$967.64The 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...$967.64 -
MAHLE 224-3708WR PISTON KIT W/RINGS-RIGHT (STD) FOR 2006-2010 GM 6.6L DURAMAX ENGINE
MAHLE
$1,192.16The 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...$1,192.16 -
ARP 900-0750 PISTON RING COMPRESSOR 4.075" BORE 2001-2016 GM DURAMAX 6.6L
ARP
$64.99The 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...$64.99 -
ARP 900-0550 PISTON RING COMPRESSOR 4.055" BORE 2001-2016 GM DURAMAX 6.6L
ARP
$64.99The 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...$64.99 -
ARP 230-6301 ROD BOLT KIT 2001-2010 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM
ARP
$229.99The 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...$229.99 -
ARP 230-5402 MAIN STUD KIT 2006-2010 GM 6.6L DURAMAX LBZ/LMM
ARP
$254.99The 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...$254.99 -
ARP 230-5401 MAIN STUD KIT 2001-2005 GM 6.6L DURAMAX LB7/LLY
ARP
$254.99The 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...$254.99 -
ARP 230-4301 HEAD STUD KIT 2017-2021 GM 6.6L DURAMAX L5P
ARP
$689.99The 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...$689.99 -
ARP 230-4202 HEAD STUD KIT-625 SERIES 2001-2016 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
ARP
$1,727.31The 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...$1,727.31 -
ARP 230-4201 HEAD STUD KIT 2001-2016 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM/LML
ARP
$626.99The 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...$626.99 -
ARP 230-2901 FLEXPLATE BOLT KIT 2001-2010 GM 6.6L DURAMAX LB7/LLY/LBZ/LMM
ARP
$86.99The 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...$86.99 -
ARP 230-2801 FLYWHEEL BOLT KIT 2001-2007 GM 6.6L DURAMAX LB7/LLY/LBZ
ARP
$84.99The 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...$84.99 -
ARP 129-2503 BALANCER BOLT KIT 2001-2019 GM 6.6L DURAMAX LLY/LBZ/LMM/LML
ARP
$29.99The 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...$29.99 -
ARP 100-7534 VALVE COVER BOLT KIT-HEX 2004.5-2016 GM 6.6L DURAMAX LLY/LBZ/LMM/LML
ARP
$107.99The 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...$107.99 -
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...$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
$245.67Enhance the performance and reliability of your 2001-2010 GM Duramax 6.6L LB7/LLY/LBZ/LMM engine with the MAHLE 41909 Complete Piston Ring Set. This high-quality piston ring set is designed to meet the exacting specifications of standard size rings,...$245.67 -
MAHLE 224-3452WR.020 PISTON W/RINGS-RIGHT (.020) FOR 2001-2005 GM 6.6L DURAMAX ENGINE
MAHLE
$909.96Enhance 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...$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 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...$909.96 -
MAHLE 224-3452WR PISTON W/RINGS-RIGHT (STD) FOR 2001-2005 GM 6.6L DURAMAX ENGINE
MAHLE
$917.36MAHLE 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,...$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 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...$909.96 -
MAHLE 224-3451WR.020 PISTON W/RINGS-LEFT (.020) FOR 2001-2005 GM 6.6L DURAMAX ENGINE
MAHLE
$909.96Engine 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...$909.96 -
MAHLE 224-3451WR PISTON W/RINGS-LEFT (STD) FOR 2001-2005 GM 6.6L DURAMAX ENGINE
MAHLE
$917.36Enhance 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®...$917.36 -
MAHLE 41909.04 PISTON RING SET (.040) FOR 2001-2010 GM 6.6L DURAMAX ENGINE
MAHLE
$242.13The MAHLE 41909.040 Complete Piston Ring Set offers precision-engineered performance for 2001-2010 GM Duramax 6.6L engines. This .040 over-sized piston ring set is specifically designed for compatibility with LB7, LLY, LBZ, and LMM models, ensuring a...$242.13 -
MAHLE 41909.03 PISTON RING SET (.030) FOR 2001-2010 GM 6.6L DURAMAX ENGINE
MAHLE
$255.99The MAHLE 41909.030 Complete Piston Ring Set is expertly designed to meet the specific needs of 2001-2010 GM Duramax 6.6L LB7/LLY/LBZ/LMM engines. This premium-quality piston ring set comes in a .030 oversize, ensuring a perfect fit for your engine...$255.99 -
MAHLE 41909.02 PISTON RING SET (.020) FOR 2001-2010 GM 6.6L DURAMAX ENGINE
MAHLE
$240.34Enhance the performance and reliability of your 2001-2010 GM Duramax 6.6L LB7/LLY/LBZ/LMM engine with the MAHLE 41909.020 Complete Piston Ring Set. Designed with precision and durability in mind, this piston ring set is ideal for engines requiring a .020...$240.34 -
MAHLE 41909.01 PISTON RING SET (.010) FOR 2001-2010 GM 6.6L DURAMAX ENGINE
MAHLE
$248.16The MAHLE 41909.010 Complete Piston Ring Set is a top-of-the-line solution for engine rebuilding and repair, specifically designed for 2001-2010 GM Duramax 6.6L LB7/LLY/LBZ/LMM engines. Engineered with precision and durability in mind, this piston ring...$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