Fluid - Differential

REAR DRIVE AXLE LUBRICANT

All Except 9.75" Axle SAE 75W-90 Synthetic Axle Lubricant 12378261 (Canadian P/N 10953455) or equivalent meeting GM Specification 9986115.

9.75" Steerable Axle Synthetic Axle Lubricant, use ONLY 12378557 (Canadian P/N 88901362).