Fluid - Differential
Rear Axle - 248 RBI (Model 60)Mopar Gear Lubricant 90W
Rear Axle - 9 1/4
Mopar Gear Lubricant 75W-90
*Trailer Towing - Mopar Gear Lubricant 75W-140
Rear Axle - 8 1/4
Mopar Gear Lubricant 75W-90
*Trailer Towing - Mopar Gear Lubricant 75W-140
NOTE:Trac-lok equipped axles require a friction modifier be added to the lubricant.
CAUTION: If axle is submerged in water, lubricant must be replaced immediately to avoid possible premature axle failure.