Collection: 2001-2004 6.6L LB7 Duramax Engine Parts & Accessories
2001-2004 6.6L LB7 Duramax Engine Parts & Accessories
Unlock the full potential of your 2001-2004 6.6L LB7 Duramax with high-performance engine components designed to increase power, improve reliability, and enhance overall performance. Whether you’re looking for more horsepower, better towing capabilities, or a longer-lasting engine, our engine parts and accessories...
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Freedom Series Duramax Cylinder Head with Cupless Injector Bore for 2001-2004 LB7 (Passenger Side) Fleece Performance
Regular price $1,199.00 USDSale price $1,199.00 USD Regular priceUnit price / per$1,249.00 USDSale -
Duramax Oil Pressure Sensor Pigtail LB7 Fleece Performance
Regular price $18.99 USDSale price $18.99 USD Regular priceUnit price / per$19.94 USDSale -
2003-2010 Duramax Oil Pressure Sensor Pigtail
Regular price $21.99 USDSale price $21.99 USD Regular priceUnit price / per$23.09 USDSale -
FASS DFD4000 Duramax Factory Fuel Filter Delete Kit 2001-2016
Regular price $83.74 USDSale price $83.74 USD Regular priceUnit price / per$88.15 USDSale -
PPE 2001-2016 GM 6.6L Duramax PPE Head Stud Kit
Regular price $539.99 USDSale price $539.99 USD Regular priceUnit price / per$599.99 USDSale -
GM Common Rail Gorilla Girdle For 01-10 6.6L LB7 LLY LBZ LLM Duramax 14mm Industrial Injection
Regular price $1,582.99 USDSale price $1,582.99 USD Regular priceUnit price / per$1,631.95 USDSale -
6.6L Duramax Stage 3 2001-2016 Pushrod Silver Industrial Injection
Regular price $37.78 USDSale price $37.78 USD Regular priceUnit price / per$38.95 USDSale -
GM Performance Valve Spring Kit For 01-16 6.6L Duramax 130lb. Industrial Injection
Regular price $873.92 USDSale price $873.92 USD Regular priceUnit price / per$900.95 USDSale -
GM H Series Rod Bearing Set For 01-16 Duramax Industrial Injection
Regular price $532.48 USDSale price $532.48 USD Regular priceUnit price / per$548.95 USDSale -
GM HX Series Rod Bearing Set For 01-16 Duramax Industrial Injection
Regular price $553.82 USDSale price $553.82 USD Regular priceUnit price / per$570.95 USDSale -
GM Rocker Arm Spacer Kit For 01-16 Duramax Industrial Injection
Regular price $229.84 USDSale price $229.84 USD Regular priceUnit price / per$236.95 USDSale -
GM Race Camshaft For 01-16 Duramax Alternate Firing Billet Stage 2 Industrial Injection
Regular price $969.95 USDSale price $969.95 USD Regular priceUnit price / per$999.95 USDSale -
GM Race Camshaft For 01-16 Duramax Stage 1 With Key Industrial Injection
Regular price $769.16 USDSale price $769.16 USD Regular priceUnit price / per$792.95 USDSale -
GM Race Camshaft For 01-16 Duramax Alternate Firing Billet Stage 1 With Key Industrial Injection
Regular price $1,760.50 USDSale price $1,760.50 USD Regular priceUnit price / per$1,814.95 USDSale -
GM H Series Main Bearings For 01-16 6.6L Duramax Industrial Injection
Regular price $379.22 USDSale price $379.22 USD Regular priceUnit price / per$390.95 USDSale -
GM HX Series Main Bearings For 01-16 6.6L Duramax Industrial Injection
Regular price $380.19 USDSale price $380.19 USD Regular priceUnit price / per$391.95 USDSale -
PPE 2001-2016 GM 6.6L Duramax Stage 1 Performance Camshaft – Standard Fire
Regular price $629.99 USDSale price $629.99 USD Regular priceUnit price / per$699.99 USDSale -
Gm Injector Screw In Cups For 2001-2004.5 6.6L LB7 Duramax Includes Install Tool and Hardware Industrial Injection
Regular price $872.95 USDSale price $872.95 USD Regular priceUnit price / per$899.95 USDSale -
GM Remanufactured Stock Heads For 01-04 LB7 Duramax Industrial Injection
Regular price $1,697.45 USDSale price $1,697.45 USD Regular priceUnit price / per$1,749.95 USDSale -
GM Remanufactured Stock Heads For 01-04 LB7 Duramax With Torque Lock Caps Industrial Injection
Regular price $2,133.95 USDSale price $2,133.95 USD Regular priceUnit price / per$2,199.95 USDSale -
GM Race Heads For 01-04 6.6L Duramax Industrial Injection
Regular price $4,458.07 USDSale price $4,458.07 USD Regular priceUnit price / per$4,595.95 USDSale -
GM Race Short Block For 01-04 6.6L LB7 Duramax Industrial Injection
Regular price $22,114.01 USDSale price $22,114.01 USD Regular priceUnit price / per$22,797.95 USDSale -
GM Premium Stock Plus Short Block For 01-04 LB7 6.6L Duramax Industrial Injection
Regular price $13,385.95 USDSale price $13,385.95 USD Regular priceUnit price / per$13,799.95 USDSale -
GM Race Long Block For 01-04 6.6L LB7 Duramax Industrial Injection
Regular price $29,390.95 USDSale price $29,390.95 USD Regular priceUnit price / per$30,299.95 USDSale -
GM Stock Cylinder Heads For 01-04 LB7 6.6L Duramax Industrial Injection
Regular price $2,424.95 USDSale price $2,424.95 USD Regular priceUnit price / per$2,499.95 USDSale -
GM Premium Stock Plus Long Block For 01-04 LB7 6.6L Duramax Industrial Injection
Regular price $18,429.95 USDSale price $18,429.95 USD Regular priceUnit price / per$18,999.95 USDSale
2001-2004 6.6L LB7 Duramax Engine Parts & Accessories
Unlock the full potential of your 2001-2004 6.6L LB7 Duramax with high-performance engine components designed to increase power, improve reliability, and enhance overall performance. Whether you’re looking for more horsepower, better towing capabilities, or a longer-lasting engine, our engine parts and accessories provide the quality and durability your truck needs for demanding applications.
Premium Engine Components for 6.6L LB7 Duramax
Our engine components for the 2001-2004 6.6L LB7 Duramax are built to withstand the demands of high-performance driving and heavy-duty applications. From upgraded pistons and rods to high-performance gaskets and timing components, these parts are designed to optimize your engine’s efficiency and power output. By improving the internal components of your engine, you can achieve better fuel efficiency, higher horsepower, and improved overall engine reliability.
Why Choose Our Engine Components?
Upgrading your engine components ensures that your 2001-2004 6.6L LB7 Duramax is capable of handling increased power, extreme conditions, and demanding driving. These parts are designed for enhanced durability, better performance, and to maximize the lifespan of your engine. Whether you’re tuning your engine for higher performance or simply looking to upgrade for better reliability, our engine parts provide the ideal solution for your Duramax.
Key Features:
- Increased Power and Efficiency: High-performance pistons, rods, and gaskets enhance engine performance.
- Improved Durability: Built to handle high horsepower, extreme conditions, and heavy-duty use.
- Optimal Engine Reliability: Upgraded components ensure your Duramax engine runs smoothly and lasts longer.

















