GM Service Manual Online
For 1990-2009 cars only

Application

Type of Material

GM Part Number

US

Canada

Rear Differential

Limited Slip Additive

12378261

992394

Rear Differential Lubricant

75W90 Axle Lubricant (Synthetic)

12378261

10953455

Pinion Nut

Thread Locker

12345382

10953489