Eliminate common LB7 injector issues and unlock new power with performance parts tailored to the 2001–2004 Duramax platform. Shop injector replacement kits, turbo upgrades, and EFI Live tuning for your LB7. This category includes LB7 head gaskets, up-pipes, and fuel lift pumps that restore reliability and support high horsepower builds.
Merchant Auto 2001-2005 GM 6.6L Duramax Merchant Auto 10090 Glow Plug Delete Kit 10090 The Merchant Automotive 10090 Glow Plug Delete Kit includes glow plug replacements for your performance built...
Merchant Auto 01-07 GM 6.6L Duramax (263XHD Transfer Case) Merchant Auto Bearing/Seal Kit 10464 The Merchant Automotive 10464 Deluxe Bearing & Seal Kit for your 2001-2007 GM 6.6L Duramax is the...
Merchant Auto 01-05 GM 6.6L Duramax LB7/LLY Merchant Auto Transmission Cooler Line Repair Kit 10206 The Merchant Automotive 10206 Transmission Cooler Line Repair Kit for your 01-05 GM 6.6L Duramax...
ARP BOLTS Balancer Bolt Kit For 2001-2018 Gm 6.6l Duramax 129-2503
The ARP 129-2503 Balancer Bolt Kit for your 2001-2018 GM 6.6L Duramax is optimized for enhanced reliability and increased...
ARP BOLTS Flywheel Bolt Kit For 2001-2007 Gm 6.6l Duramax 230-2801
Flywheel bolts play and important role in the performance and safety of race cars and street machines alike. That's why the...
ARP BOLTS Flexplate Bolt Kit For 2001-2010 Gm 6.6l Duramax 230-2901
Flexplate bolts play an important role in the performance and safety of race vehicles and street machines. That's why the fastener...
ARP BOLTS Black Oxide Valve Cover Bolt Kit 12-pt For 01-04 Gm 6.6l Duramax * 100-7531
ARP Valve Cover Bolt Kits are rated at 170,000 PSI tensile strength which is substantially stronger than grade 8...
Cognito Heavy Duty Sway Bar End Links For 2001-2019 Gm 2500HD/3500HD * 110-90256 * Please Call For Availability Replace the broken factory End Links in your 2001-2019 GM 2500HD/3500HD with the...