2001-2010 Chevy/GMC 3500 Sulastic Shackle for Rear Axle
===SULASTIC IMPROVES: ===
- Smooths out the ride by just replacing the OEM shackle
- Reduce Vibration and Shocks Not Absorbed by the Leaf-springs
- Stops the Bed Bouncing
- Improve Stability
- Reduce Braking Distance
- Load & Towing Capacity Not Affected
- Improves Handling and Control of the Vehicle
=== Set includes: 2 shackles ===
Vehicle Fitment
Sulastic model SA-04HDD — verify cab, bed length, and leaf-spring count for your exact truck.
| Make | Model | Years | Fitment |
|---|---|---|---|
| Chevrolet | Silverado 3500 | 2001–2006 | All configs |
| Chevrolet | Silverado 3500 Classic | 2007 | All configs |
| Chevrolet | Silverado 3500 HD | 2007–2010 | All configs |
| GMC | Sierra 3500 | 2001–2006 | All configs |
| GMC | Sierra 3500 Classic | 2007 | All configs |
| GMC | Sierra 3500 HD | 2007–2010 | All configs |
Fitment data current as of June 2026. Set includes 2 shackles per axle.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
===SULASTIC IMPROVES: ===
- Smooths out the ride by just replacing the OEM shackle
- Reduce Vibration and Shocks Not Absorbed by the Leaf-springs
- Stops the Bed Bouncing
- Improve Stability
- Reduce Braking Distance
- Load & Towing Capacity Not Affected
- Improves Handling and Control of the Vehicle
=== Set includes: 2 shackles ===
Vehicle Fitment
Sulastic model SA-04HDD — verify cab, bed length, and leaf-spring count for your exact truck.
| Make | Model | Years | Fitment |
|---|---|---|---|
| Chevrolet | Silverado 3500 | 2001–2006 | All configs |
| Chevrolet | Silverado 3500 Classic | 2007 | All configs |
| Chevrolet | Silverado 3500 HD | 2007–2010 | All configs |
| GMC | Sierra 3500 | 2001–2006 | All configs |
| GMC | Sierra 3500 Classic | 2007 | All configs |
| GMC | Sierra 3500 HD | 2007–2010 | All configs |
Fitment data current as of June 2026. Set includes 2 shackles per axle.
