Engine: All internal and external engine components for both gasoline, and diesel engines. (milfordjeepconnecticut.com)
Optional equipment includes: Heavy - Duty Trailering Package, HD Air - to - Oil External Engine Oil Cooler, HD Air - to - Oil Auxiliary Transmission Oil Cooler, Front License Plate Bracket, Preferred Equipment Group 1LS, (0 P) Summit White, 3.42 Rear Axle Ratio... (smartcarguide.com)
This Chevrolet Express Passenger has the following options: TRANSMISSION, 6 - SPEED AUTOMATIC, HEAVY - DUTY, ELECTRONICALLY CONTROLLED with overdrive and tow / haul mode and internal transmission oil cooler Includes external engine oil cooler. (edmunds.com)