Rear

Differential Fluid Types

194 RBI (Model 35)
Normal Mopar Gear Lubricant 80W-90
Trailer Towing Mopar Synthetic Gear Lubricant 75W-140

226 RBA (Model 44)
Normal Mopar Gear Lubricant 80W-90
Trailer Towing Mopar Synthetic Gear Lubricant 75W-140

NOTE: Trac-lok and Vari-lok equipped axles require 4 ounces (118 ml) of Limited Slip Additive be added to the lubricant.