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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Fleece Performance -10 90 Deg to Hose Barb Black FPE-PL-90-10
Regular price $14.99 USDSale price $14.99 USD Regular priceUnit price / per -
Fleece Performance 9/16 Inch -18 Hex Socket Plug w/ O-Ring FPE-SP-91618
Regular price $4.49 USDSale price $4.49 USD Regular priceUnit price / per -
Fleece Performance 3/14 Inch-16 Hex Socket Plug w/ O-Ring FPE-SP-3416
Regular price $4.99 USDSale price $4.99 USD Regular priceUnit price / per -
Fleece Performance 7/8 Inch -14 Hex Socket Plug w/ O-Ring FPE-SP-7814
Regular price $5.99 USDSale price $5.99 USD Regular priceUnit price / per -
Fleece Performance FPE-34805-A 10 AN to 7/8-14 Straight Male Adapter – Black (Without O-Ring)
Regular price $14.96 USDSale price $14.96 USD Regular priceUnit price / per -
Fleece Performance 12mm Quick Connect to 3/4 Inch-16 O-ring (-8 AN) FPE-34550-A
Regular price $15.99 USDSale price $15.99 USD Regular priceUnit price / per -
Fleece Performance 5/16 Inch Quick Connect to 3/4 Inch-16 O-ring (-8 AN) FPE-34552-A
Regular price $11.99 USDSale price $11.99 USD Regular priceUnit price / per -
Fleece Performance 1/2 Inch Hose Barb to 3/4 Inch-16 O-ring (-8 AN) FPE-34553-A
Regular price $10.99 USDSale price $10.99 USD Regular priceUnit price / per -
Fleece Performance 5/8 Inch Hose Barb to 3/4 Inch-16 O-ring (-8 AN) FPE-34554-A
Regular price $12.99 USDSale price $12.99 USD Regular priceUnit price / per -
Fleece Performance 1/2 Inch Quick Connect to 3/4 Inch-16 O-ring (-8 AN) FPE-34900-A
Regular price $16.99 USDSale price $16.99 USD Regular priceUnit price / per -
Fleece Performance 2001-2016 Duramax Oil Cap Black FPE-DMAX-OC-BLK
Regular price $39.99 USDSale price $39.99 USD Regular priceUnit price / per -
Fleece Performance 2001-2016 Duramax Oil Cap Blue FPE-DMAX-OC-BLU
Regular price $39.99 USDSale price $39.99 USD Regular priceUnit price / per -
Fleece Performance 2001-2016 Duramax Oil Cap Red FPE-DMAX-OC-RED
Regular price $39.99 USDSale price $39.99 USD Regular priceUnit price / per -
Fleece Performance 6.6L Duramax Stage 2 Pushrods, 0.875 inch dia FPE-DUR-S2-PROD
Regular price $490.19 USDSale price $490.19 USD Regular priceUnit price / per -
Fleece Performance 1/2 Inch CP3 Feed Fitting FPE-CP3-FEED
Regular price $15.95 USDSale price $15.95 USD Regular priceUnit price / per -
Fleece Performance FPE-AN971-10DRD 10AN Aluminum Male Weld Bung – 5/8" Register, 7/8" OD
Regular price $8.35 USDSale price $8.35 USD Regular priceUnit price / per -
Fleece Performance GM All Lights On Module 2003-2007 Select Models FPE-GM-ALO-37
Regular price $24.95 USDSale price $24.95 USD Regular priceUnit price / per -
PPE 2002-2004 Duramax w/ PPE Dual Fueler w/ Vacuum Pump - High-Performance Heavy-Duty Serpentine Belt
Regular price $62.99 USDSale price $62.99 USD Regular priceUnit price / per$69.99 USDSale -
PPE 2002-2004 GM 6.6L Duramax Dual Alternator (105A) w/ Vacuum Pump - High-Performance Heavy-Duty Serpentine Belt
Regular price $62.99 USDSale price $62.99 USD Regular priceUnit price / per$69.99 USDSale -
PPE 2002-2010 Duramax w/ PPE Dual Fueler, or 2002-2005 Stock Dual Alternator (105A) No Vacuum Pump - High-Performance Heavy-Duty Serpentine Belt
Regular price $44.99 USDSale price $44.99 USD Regular priceUnit price / per$49.99 USDSale -
PPE 2002-2004 GM 6.6L Duramax Single Alternator (130A) w/ Vacuum Pump, 2006-2010 Duramax Single Alternator (125A) - High-Performance Heavy-Duty Serpentine Belt
Regular price $53.99 USDSale price $53.99 USD Regular priceUnit price / per$59.99 USDSale -
PPE 2002-2005 GM 6.6L Duramax Single Alternator (130A) w/ Vacuum Pump, 2011-2014, 2017-2019 Duramax Single Alternator (125A) - High-Performance Heavy-Duty Serpentine Belt
Regular price $49.49 USDSale price $49.49 USD Regular priceUnit price / per$54.99 USDSale -
PPE 2002-2005 GM 6.6L Duramax Single Alternator (105A) No Vacuum Pump - High-Performance Heavy-Duty Serpentine Belt
Regular price $53.99 USDSale price $53.99 USD Regular priceUnit price / per$59.99 USDSale -
PPE 2001 GM 6.6L LB7 Single Alternator (130A) - High-Performance Heavy-Duty Serpentine Belt
Regular price $53.99 USDSale price $53.99 USD Regular priceUnit price / per$59.99 USDSale -
MAHLE Right Bank Piston for 2001-2005 GM 6.6L LB7 Duramax
Regular price $456.46 USDSale price $456.46 USD Regular priceUnit price / per -
MAHLE 224-3451 Left Bank Piston for 2001-2005 GM 6.6L LB7 Duramax
Regular price $456.46 USDSale price $456.46 USD Regular priceUnit price / per -
MAHLE 41909 Complete Piston Ring Set (Standard) for Chevy/GMC 6.6L Duramax Engines 2001-2010
Regular price $230.47 USDSale price $230.47 USD Regular priceUnit price / per -
Vibrant Performance Gen3 Catch Can Assembly
Regular price $323.99 USDSale price $323.99 USD Regular priceUnit price / per
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.

