Motive Gear offers some of the toughest drive train components on the market today. If you are looking for the largest line of performance ring and pinion gear options available with gear sets in a wide range of ratios for nearly every application, both on and off-road, check out Motive Gear. Motive Gear products can be found in the winner's circle at racing events worldwide. The superior quality of Motive Gear components is the result of years of racing development, outstanding design and state-of-the-art manufacturing methods. Extensive testing is performed on all products by our in-house engineers.
- Compatible with a broad range of commercial truck and trailer applications, making it a practical and efficient stocking choice.
- Manufactured from high-strength steel or alloy with corrosion-resistant coating for long service life in harsh commercial environments.
- OEM-matched dimensions simplify installation and reduce the risk of cross-threading or assembly errors during maintenance.
- Precision-machined threads and dimensions ensure correct engagement, torque retention, and reliable assembly without modification.
- Provides secure, reliable fastening to maintain structural and system integrity throughout the vehicle service interval.
Weight: 0.119 lb
Motive Gear Differential Crush Sleeve — 14 Bolt 10.5" (3977355)
Vehicle fitment
Verified fitment (manufacturer data)| Years | Make | Model | Cab / bed | Notes |
|---|---|---|---|---|
| 1975–1986 | Chevrolet | C20 | ||
| 1973–1974 | Chevrolet | C20 Pickup | ||
| 1973–1986 | Chevrolet | C20 Suburban | ||
| 1988 | Chevrolet | C2500 | ||
| 1975–1986 | Chevrolet | C30 | ||
| 1973–1974 | Chevrolet | C30 Pickup | ||
| 1988 | Chevrolet | C3500 | ||
| 1975–1988 | Chevrolet | G30 | ||
| 1973–1974 | Chevrolet | G30 Van | ||
| 1975–1986 | Chevrolet | K20 | ||
| 1973–1974 | Chevrolet | K20 Pickup | ||
| 1973–1986 | Chevrolet | K20 Suburban | ||
| 1988 | Chevrolet | K2500 | ||
| 1977–1986 | Chevrolet | K30 | ||
| 1973–1974 | Chevrolet | K30 Pickup | ||
| 1988 | Chevrolet | K3500 | ||
| 1987–1988 | Chevrolet | R20 | ||
| 1987–1988 | Chevrolet | R20 Suburban | ||
| 1987–1988 | Chevrolet | R30 | ||
| 1987 | Chevrolet | V20 | ||
| 1987–1988 | Chevrolet | V20 Suburban | ||
| 1987–1988 | Chevrolet | V30 | ||
| 1975–1978 | GMC | C25 | ||
| 1975–1978 | GMC | C25 Suburban | ||
| 1973–1974 | GMC | C25/C2500 Pickup | ||
| 1973–1974 | GMC | C25/C2500 Suburban | ||
| 1979–1986 | GMC | C2500 | ||
| 1988 | GMC | C2500 | ||
| 1979–1986 | GMC | C2500 Suburban | ||
| 1973–1974 | GMC | C35/C3500 Pickup | ||
| 1979–1986 | GMC | C3500 | ||
| 1988 | GMC | C3500 | ||
| 1975–1978 | GMC | G35 | ||
| 1973–1974 | GMC | G35/G3500 Van | ||
| 1979–1988 | GMC | G3500 | ||
| 1975–1978 | GMC | K25 | ||
| 1975–1978 | GMC | K25 Suburban | ||
| 1973–1974 | GMC | K25/K2500 Pickup | ||
| 1973–1974 | GMC | K25/K2500 Suburban | ||
| 1979–1986 | GMC | K2500 | ||
| 1988 | GMC | K2500 | ||
| 1979–1986 | GMC | K2500 Suburban | ||
| 1977–1978 | GMC | K35 | ||
| 1973–1974 | GMC | K35/K3500 Pickup | ||
| 1979–1986 | GMC | K3500 | ||
| 1988 | GMC | K3500 | ||
| 1987–1988 | GMC | R2500 | ||
| 1987–1988 | GMC | R2500 Suburban | ||
| 1987–1988 | GMC | R3500 | ||
| 1987 | GMC | V2500 | ||
| 1987–1988 | GMC | V2500 Suburban | ||
| 1987–1988 | GMC | V3500 |
Specifications
Manufacturer data for this part — all visible, no tabs to dig through.
| Brand | Motive Gear |
| Part number | MOG3977355 |
| Category | Engine & Driveline |
| Years | Make | Model |
|---|---|---|
| 1975–1986 | Chevrolet | C20 |
| 1973–1974 | Chevrolet | C20 Pickup |
| 1973–1986 | Chevrolet | C20 Suburban |
| 1988–1988 | Chevrolet | C2500 |
| 1975–1986 | Chevrolet | C30 |
| 1973–1974 | Chevrolet | C30 Pickup |
| 1988–1988 | Chevrolet | C3500 |
| 1975–1988 | Chevrolet | G30 |
| 1973–1974 | Chevrolet | G30 Van |
| 1975–1986 | Chevrolet | K20 |
| 1973–1974 | Chevrolet | K20 Pickup |
| 1973–1986 | Chevrolet | K20 Suburban |
| 1988–1988 | Chevrolet | K2500 |
| 1977–1986 | Chevrolet | K30 |
| 1973–1974 | Chevrolet | K30 Pickup |
| 1988–1988 | Chevrolet | K3500 |
| 1987–1988 | Chevrolet | R20 |
| 1987–1988 | Chevrolet | R20 Suburban |
| 1987–1988 | Chevrolet | R30 |
| 1987–1987 | Chevrolet | V20 |
| 1987–1988 | Chevrolet | V20 Suburban |
| 1987–1988 | Chevrolet | V30 |
| 1975–1978 | GMC | C25 |
| 1975–1978 | GMC | C25 Suburban |
| 1973–1974 | GMC | C25/C2500 Pickup |
| 1973–1974 | GMC | C25/C2500 Suburban |
| 1979–1986 | GMC | C2500 |
| 1988–1988 | GMC | C2500 |
| 1979–1986 | GMC | C2500 Suburban |
| 1973–1974 | GMC | C35/C3500 Pickup |
| 1979–1986 | GMC | C3500 |
| 1988–1988 | GMC | C3500 |
| 1975–1978 | GMC | G35 |
| 1973–1974 | GMC | G35/G3500 Van |
| 1979–1988 | GMC | G3500 |
| 1975–1978 | GMC | K25 |
| 1975–1978 | GMC | K25 Suburban |
| 1973–1974 | GMC | K25/K2500 Pickup |
| 1973–1974 | GMC | K25/K2500 Suburban |
| 1979–1986 | GMC | K2500 |
| 1988–1988 | GMC | K2500 |
| 1979–1986 | GMC | K2500 Suburban |
| 1977–1978 | GMC | K35 |
| 1973–1974 | GMC | K35/K3500 Pickup |
| 1979–1986 | GMC | K3500 |
| 1988–1988 | GMC | K3500 |
| 1987–1988 | GMC | R2500 |
| 1987–1988 | GMC | R2500 Suburban |
| 1987–1988 | GMC | R3500 |
| 1987–1987 | GMC | V2500 |
| 1987–1988 | GMC | V2500 Suburban |
| 1987–1988 | GMC | V3500 |

Worth adding
Useful in any truck — ships separately in its own box.
Related parts
More in Differentials & Axles.
Reviews
Verified customer reviews.



