In areas where temperatures reach 12F(-24C) or below for an extended amount of time, installation of a thermal protective cover (P/N 68564806AA) on the DEF injectors
Body Type: Crew Cab Pickup; Bed Length: 98.3; Wheel Base: 169.4 OR Body Type: Crew Cab Pickup; Bed Length: 98.3; Wheel Base: 168.9 OR Body Type: Extended Crew Cab Pickup; Bed Length: 76.3; Wheel Base: 160.5 OR Body Type: Crew Cab Pickup; Bed Length: 76.3; Wheel Base: 149.4 OR Body Type: Crew Cab Pickup; Bed Length: 76.3; Wheel Base: 148.9 OR Body Type: Standard Cab Pickup; Bed Length: 98.3; Wheel Base: 140.2 OR Body Type: Standard Cab Pickup; Bed Length: 98.3; Wheel Base: 140.0