2001-2004 GM 6.6L DURAMAX LB7
DESCRIPTION The Diesel Rx Glow Plug for your 2001-2004 GM 6.6L Duramax LB7 is precisely engineered and built in the U.S.A. as a direct replacement for your factory glow plugs. These units are designed and tested to the most stringent standards. This allows for faster start up while optimum temperatures are reached quickly. Product may differ from image.