Bilstein B8 5160 46mm Monotube Suspension Rear Shock Absorber for 1999-2026 GMC Sierra 2500 HD (GMT800/GMT900/T1XX) 25-311846
Bilstein B8 5160 46mm Monotube Suspension Rear Shock Absorber for 1999-2026 GMC Sierra 2500 HD (GMT800/GMT900/T1XX) 25-311846
Bilstein B8 5160 46mm Monotube Suspension Rear Shock Absorber for 1999-2026 GMC Sierra 2500 HD (GMT800/GMT900/T1XX) 25-311846
Bilstein B8 5160 46mm Monotube Suspension Rear Shock Absorber for 1999-2026 GMC Sierra 2500 HD (GMT800/GMT900/T1XX) 25-311846
Bilstein B8 5160 46mm Monotube Suspension Rear Shock Absorber for 1999-2026 GMC Sierra 2500 HD (GMT800/GMT900/T1XX) 25-311846
Bilstein B8 5160 46mm Monotube Suspension Rear Shock Absorber for 1999-2026 GMC Sierra 2500 HD (GMT800/GMT900/T1XX) 25-311846
Bilstein B8 5160 46mm Monotube Suspension Rear Shock Absorber for 1999-2026 GMC Sierra 2500 HD (GMT800/GMT900/T1XX) 25-311846

Bilstein

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SKU: 25-311846

Bilstein B8 5160 46mm Monotube Suspension Rear Shock Absorber for 1999-2026 GMC Sierra 2500 HD RWD/4WD (GMT800/GMT900/T1XX)

$299.00
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Fitment Notes

All fitment information on our website is provided by the manufacturer. It is the customer's responsibility to thoroughly read the product description and confirm fitment before placing an order and proceeding with installation.

Unless specified otherwise, all suspension products are designed for 2WD vehicles only. Any notes or descriptions related to electronic damping systems (EDC, DDS, etc.) apply strictly to vehicle fitment. Aftermarket coilovers are not compatible with OEM electronic damping control systems unless explicitly stated.

*Product images may not represent the actual SKU.

Handling Time

All handling times are estimates and may change at any time.

  • In-Stock: 1 business day
  • Out of Stock: 3-4 weeks
30-Day Returns

Not quite right? No problem — we offer hassle-free 30-day returns on eligible items. A few exclusions apply.

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Lifetime Manufacturer Warranty

Most of the BILSTEIN products available in the North American aftermarket are backed by our LIMITED LIFETIME WARRANTY for as long as you own your BILSTEIN products, while certain product categories are backed by industry leading warranties ranging from 90 days to two (2) years. Please consult our BILSTEIN Warranty Promise to see which warranty is applicable to your product.

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Product Details

Lifting or leveling a 1999-2026 GMC Sierra 2500 HD (GMT800/GMT900/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

  • 46mm monotube design ensures consistent, fade-free performance in all conditions
  • Self-adjusting deflective disc valving reacts immediately to surface changes enabling maximum vehicle control
  • Remote reservoir increases shock oil capacity for greater heat dissipation
Specifications
Part Number 25-311846
Part Name Shock Absorber
UPC 651860911878
Vehicle 1999-2026 GMC Sierra 2500 HD
Chassis Code GMT800/GMT900/T1XX
Drivetrain RWD/4WD
Adjustable Damping Non-Adjustable
Billet Reservoir Clamp Included Yes
Body Design Smooth Body (Non-Coilover)
Boot Included No
Collapsed Length 18.14 in. (460.8mm)
Extended Length 31.28 in. (794.5mm)
Finish Zinc Plated
Internal Design Monotube
Lower Mount Type Eye 14.4mm
Piston Diameter 46mm
Vehicle Placement Rear
Reservoir Yes
Segment Light Truck
Series B8 5160
Shaft Diameter 14mm
Spring Seat Included No
Stroke/Travel Length 13.14 in. (333.8mm)
Upper Mount Type Eye 14.4mm
Notes Fits Vehicles With 3-4" Rear Lift

Vehicle fitment

This product fits the vehicles listed below.

YearMakeModelDrivetrainNotes
1999GMCSierra 2500 HD4WDFits Vehicles With 3-4" Rear Lift
1999GMCSierra 2500 HDRWDFits Vehicles With 3-4" Rear Lift
2000GMCSierra 2500 HD4WDFits Vehicles With 3-4" Rear Lift
2000GMCSierra 2500 HDRWDFits Vehicles With 3-4" Rear Lift
2001GMCSierra 2500 HD4WDFits Vehicles With 3-4" Rear Lift
2001GMCSierra 2500 HDRWDFits Vehicles With 3-4" Rear Lift
2002GMCSierra 2500 HD4WDFits Vehicles With 3-4" Rear Lift
2002GMCSierra 2500 HDRWDFits Vehicles With 3-4" Rear Lift
2003GMCSierra 2500 HD4WDFits Vehicles With 3-4" Rear Lift
2003GMCSierra 2500 HDRWDFits Vehicles With 3-4" Rear Lift
2004GMCSierra 2500 HD4WDFits Vehicles With 3-4" Rear Lift
2004GMCSierra 2500 HDRWDFits Vehicles With 3-4" Rear Lift
2005GMCSierra 2500 HD4WDFits Vehicles With 3-4" Rear Lift
2005GMCSierra 2500 HDRWDFits Vehicles With 3-4" Rear Lift
2006GMCSierra 2500 HD4WDFits Vehicles With 3-4" Rear Lift
2006GMCSierra 2500 HDRWDFits Vehicles With 3-4" Rear Lift
2007GMCSierra 2500 HD4WDFits Vehicles With 3-4" Rear Lift
2007GMCSierra 2500 HDRWDFits Vehicles With 3-4" Rear Lift
2008GMCSierra 2500 HD4WDFits Vehicles With 3-4" Rear Lift
2008GMCSierra 2500 HDRWDFits Vehicles With 3-4" Rear Lift

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