| Locking Differential Guides |
Chassis Lubricant |
12377985 or equivalent |
88901242 or equivalent |
| Rear Locking Differential Clutch (friction disc) Disc |
SAE 75W85 Synthetic Gear Oil |
19300457 or equivalent meeting GM Specification 9986375 |
19300458 or equivalent |
| Rear Axle (8.6/9.5/9.76 inch axles) |
SAE 75W85 Synthetic Gear Oil |
19300457 or equivalent meeting GM Specification 9986375 |
19300458 or equivalent |
| Rear Axle (10.5, 11.5 inch axles) |
SAE 75W90 |
88900401 or equivalent meeting GM Specification 9986115 |
89021678 or equivalent |
| Ring Gear |
Marking Compound |
1052351 or equivalent |
10953497 or equivalent |
| Pinion Gear Bearing Retainer |
Sealant |
1052943 or equivalent |
10953491 or equivalent |
| Pinion Yoke Splines |
Sealant |
12346004 or equivalent |
10953480 or equivalent |