Adhesives, Fluids, Lubricants, and Sealers
WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
| Application | Type of Material | GM Part Number | Canadian Part Number |
|---|---|---|---|
| Locking Differential Guides | Chassis Lubricant | 12377985 or equivalent | 88901242 or equivalent |
| Rear Locking Differential Clutch (friction disc) Disc (9.5 Inch Axle) | SAE 75W85 Synthetic Gear Oil | 19300457 or equivalent meeting GM Specification 9986375 | 19300458 or equivalent |
| Rear Locking Differential Clutch (friction disc) Disc (10.5 Inch Axle) | SAE 75W90 | 88900401 or equivalent meeting GM Specification 9986115 | 89021678 or equivalent |
| Rear Axle (9.5 Inch Axle) | SAE 75W85 Synthetic Gear Oil | 19300457 or equivalent meeting GM Specification 9986375 | 19300458 or equivalent |
| Rear Axle (10.5 Inch Axle) | 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 |