Application  | Type of Material  | GM Part Number  | 
|---|---|---|
Rear Drive Axle, All Except 9.75" Axle  | Lubricant  | SAE 75W-90 Synthetic Axle Lubricant 12378261 (Canadian P/N 10953455) or equivalent meeting GM Specification 9986115  | 
Rear Drive Axle, 9.75" Steerable Axle  | Lubricant  | Synthetic Axle Lubricant, use ONLY 12378557 (Canadian P/N 88901362)  | 
Pinion Gear Bearing Retainer  | Sealant  | 1052942 (Canadian P/N 10953466) or equivalent  | 
Pinion Yoke Splines  | Sealant  | 12346004 (Canadian P/N 10953480) or equivalent  |