Cooling, external engine oil cooler, heavy-duty air-to-oil, integral to driver side of radiator tank
Cooling, internal transmission oil cooler, water-to-oil, integral to driver side of radiator tank (Included and only available with (MT1) Transmission, 4-speed automatic, heavy-duty and (M74) Transmission, Allison 1000 5-speed automatic.)
Cooling, external transmission oil cooler, auxiliary, heavy-duty air-to-oil (Included and only available with (MT1) Transmission, 4-speed automatic, heavy-duty and (M74) Transmission, Allison 1000 5-speed automatic.)
Transfer case, floor-mounted shifter (Requires 4WD Models and (AE7) Seats, front 40/20/40 split-bench.)