RAM 3500 Truck 2WD V8-5.7L (2008)
Fluid - Differential: Fluid Type Specifications
Non-Power Wagon
Front and Rear Axles ....................... Synthetic GL-5 SAE 75W-90 or equivalent. Limited Slip 10.5/11.5 rear axles Limited Slip additive is not required.
Power Wagon
Front and Rear Axles ..................................................... Synthetic GL-5 SAE 75W-90. Limited Slip 10.5 rear axles Limited Slip additive is not required.