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.
2001-2004 GM 6.6L DURAMAX LB7
The MBRP GMCA425 3" Turbo Downpipe eliminates the restrictive factory downpipe in your 2001-2004 GM 6.6L Duramax LB7. Featuring a mandrel bent aluminized steel...
UNIVERSAL - 6" O.D. DUAL WALL ANGLED, 12" LENGTH, 5" INLET
Black Powder Coat Finish!
High Quality Exhaust Tip
6" Diesel Tip For a BOLD Look
Dual Wall
Angled Cut
The XDP WIF Sensor delete plug XD137 is a quick and simple solution to ending all the issues caused by the factory Water In Fuel (WIF) Sensor in your 2001-2016 GM 6.6L Duramax. The factory sensor is...
The XDP Duramax Fuel Filter Delete XD163 is a must have for any 2001-2016 GM 6.6L Duramax with a modified fuel system. Specially designed as a bolt-on replacement, the XDP Fuel Filter Delete simply...
The XDP Duramax CAT Adapter with 1R-0750 Filter, Bleeder Screw & Spacer XD171 is an easy way to upgrade the fuel filter on your 2001-2016 GM 6.6L Duramax. The durable anodized filter adapter simply...
Upgrade the charging system in your 2001-2007 GM 6.6L Duramax with the XDP High Output 220 amp Alternator XD224. Many Duramax enthusiasts modify their engine, drivetrain, fuel system, and more while...
You can rely on the XDP Wrinkle Black Gear Reduction Starter XD251 to get your 2001-2016 GM 6.6L Duramax running in the most extreme environments. XDPs Gear Reduction Starters are faster, stronger,...