Lifting or leveling a 2011-2026 GMC Sierra 3500 HD (GMT900/K2XX/T1XX) changes what the dampers have to do. The Bilstein B8 shocks are built for that taller stance and stay composed on rough ground.
This is a direct-fit part. It mounts in the original locations with the original hardware, so nothing needs modifying, and it carries Bilstein”s limited lifetime warranty.
Features
Specifications
| Part Number | 25-312027 |
| Part Name | Shock Absorber |
| UPC | 651860914923 |
| Vehicle | 2011-2026 GMC Sierra 3500 HD |
| Chassis Code | GMT900/K2XX/T1XX |
| Drivetrain | RWD/4WD |
| Adjustable Damping | Non-Adjustable |
| Billet Reservoir Clamp Included | No |
| Body Design | Smooth Body (Non-Coilover) |
| Boot Included | No |
| Collapsed Length | 15.53 in. (394.5mm) |
| Extended Length | 24.34 in. (618.2mm) |
| Finish | Zinc Plated |
| Internal Design | Monotube |
| Lower Mount Type | Clevis |
| Piston Diameter | 46mm |
| Vehicle Placement | Front |
| Reservoir | Yes |
| Segment | Light Truck |
| Series | B8 5160 |
| Shaft Diameter | 14mm |
| Spring Seat Included | No |
| Stroke/Travel Length | 8.69 in. (220.7mm) |
| Upper Mount Type | Bar Pin |
| Notes | Fits Vehicles With 4-6″” Front Lift; Stock mounting points only; Not compatible with lower control arm torsion bar relocation bracket |


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