GM Service Manual Online
For 1990-2009 cars only

Application

Type of Material

GM Part Number

Rear Axle Housing Cover (11" Axle)

Sealant

12346240 or equivalent

Rear Drive Axle (Except 11" Axle)

Lubricant

12378261 or equivalent meeting GM Specification 9986115

Rear Drive Axle (11" Axle)

Lubricant

12346140 or equivalent

Pinion Gear Bearing Retainer

Sealant

1052942 or equivalent

Pinion Yoke Splines

Sealant

12346004 or equivalent