Body Num Doors: 4; Body Type: Extended Cab Pickup; Bed Length: 78.9; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty OR Body Num Doors: 4; Body Type: Crew Cab Pickup; Bed Length: 78.9; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty OR Body Num Doors: 4; Body Type: Crew Cab Pickup; Bed Length: 69.3; Failure To Replace The Fuel Tank Lock Ring And Seal Will Void Warranty