6-speed automatic transmission w/OD
HD trailer tow pkg -inc: class IV hitch receiver, wiring harness w/4-pin & 7-pin connector, HD aux transmission oil cooler, HD radiator, electronic braking wiring kit, trailer sway control
Transmission, 6-speed automatic, electronically controlled with overdrive
Brake transmission shift interlock
Transmission, 4-speed automatic, electronic variable
Combination cooler, transmission, electronic
Auxiliary cooler, heavy-duty, air-to-oil transmission oil cooler