2001 – 2004 LB7 6.6L

The 2001-2004 LB7 6.6L Duramax is known for introducing the Duramax engine to the market, featuring a high-pressure common-rail fuel system. This engine set new standards for power, fuel efficiency, and emissions in diesel trucks. Recognizable by its lack of EGR and the injector issues common to this model, the LB7 is a favorite among rebuilders and modifiers.

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