39 Gallon, extra heavy duty cross-linked polyethylene fuel tank Tank comes complete with powder-coated cross-member support bracket and steel strap set, extruded rubber mounting bushings, vent hoses, 2 ea. rollover safety vent valves, seals and required clamps. Tank features exclusive low fuel trap design. For vehicles with extended cabs and 6 ? ft. short beds.;LIFETIME Warranty;For model years 2001-2010.; For 2500 and 3500 Models with Duramax Engines; Note: The inLB7 Kit is required on all 2001 to 2003 General Motors trucks. On 2004 models it is required if the eighth character in the VIN is a in1in.