SILVERADO 1500. SILVERADO 1500 2007 - 2008 5.3L; GAS, Crew Cab Pickup, 69.3" bed, Engine VIN M / VIN J, with 2 Connectors, with 3 Tube Ports. SILVERADO 1500 2007 - 2008 6.0L; Crew Cab Pickup, Extended Cab Pickup; with 2 Connectors; with 3 Tube Ports.
