Fluid - Differential

Front Axle Fluid Type

186 FBI (Model 30)
- Mopar Gear Lubricant 80W-90
216 FBI (Model 40)
- Mopar Gear Lubricant 80W-90

Rear Axle Fluid Type

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

Note: Trac-lok equipped axles require 0.1 L (3.4 ounces) of Limited Slip Additive in the lubricant.