GM Service Manual Online
For 1990-2009 cars only

Adhesives, Fluids, Lubricants, and Sealers for GMC Truck GMC Sierra Denali 2003

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