Bilstein 5100 Series Rear Shock for 1999 GMC Sierra 2500 SLT

Bilstein B8 5100 Series Shock Absorber for 1999 GMC Sierra 2500 SLT Rear Upgrade ride quality and control with this one Bilstein B8 5100 Series shock absorber—precision-engineered monotube damper built for a 1999 GMC Sierra 2500 SLT rear application. Whether stock or lifted, this shock absorber delivers consistent damping, sharper handling, and long-lasting performance for towing, hauling, and off-road use. Features & Benefits Monotube construction: Efficient heat dissipation for consistent performance under heavy loads and sustained use. Gas pressure technology: Minimizes fade and preserves damping response on rough terrain and highway miles. Lift-compatible valving: Available in height-specific tunings for stock and lifted Silverado/Sierra applications for optimal ride balance. Rugged materials: Hardened piston rod and corrosion-resistant finish for extended service life in demanding conditions. Direct-fit replacement: Vehicle-specific fitment for straightforward bolt-on installation—no modification required. Fitment & Application Specifically designed for the rear of a 1999 GMC Sierra 2500 SLT. Confirm exact cab/bed configuration and axle before ordering to ensure proper fit. Why choose Bilstein? OEM-quality engineering, proven durability, and superior control make the B8 5100 Series an ideal upgrade for truck owners who demand stability while towing, improved handling on-road, and confident performance off-road.