Fluid - Differential

Front Axle SAE 75W-90 Multipurpose Type, GL-5 Gear lubricant

Rear Axle SAE 75W-90 Multipurpose Type, GL-5 Gear lubricant
Limited-Slip rear axles require Mopar limited slip additive. 4.0 ounces (118 ml) should be added to the gear lubricant.

Rear Axle for Trailer Towing SAE 75W-140 Synthetic Gear Lubricant
For all trailer towing or heavy duty applications, replace the factory filled rear axle fluid.