RAM 1500 Owner's Manual page 873

Component
Rear Axle – 1500 Models
Front and Rear Axle – 2500/3500 Models
Brake Master Cylinder
Power Steering Reservoir – 2500/3500 Models
MAINTAINING YOUR VEHICLE 871
Fluid, Lubricant, or Genuine Part
We recommend you use MOPAR Synthetic Gear Lubri-
cant SAE 75W-140 (MS-8985). Limited-Slip Rear Axles
require the addition of 5 oz. (148 ml) MOPAR Limited
Slip Additive (MS-10111).
We recommend you use Synthetic, GL-5 SAE, 75W-90.
Limited slip additive is not required for Limited-Slip
Rear Axles.
We recommend you use MOPAR DOT 3. If DOT 3 brake
fluid is not available, then DOT 4 is acceptable.
We recommend you use MOPAR Power Steering Fluid
+4 or MOPAR ATF+4 Automatic Transmission Fluid.
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