Bilstein 5100 Series 46mm Rear Shock for 1999 GMC Sierra 2500 SLT

Bilstein B8 5100 Series 46mm Rear Shock Absorber for 1999 GMC Sierra 2500 SLT This listing is for one rear shock absorber. Transform your Sierra’s ride, control, and durability with the Bilstein B8 5100 Series monotube shock absorber. Engineered for the 1999 GMC Sierra 2500 SLT, this rear shock absorber delivers consistent damping, superior heat dissipation and reliable performance whether you’re towing, hauling or hitting rough roads. Key Features Direct fitment: Built for the 1999 GMC Sierra 2500 SLT rear — check full vehicle compatibility before purchase. Monotube gas-pressure design: Improves steering response, reduces body roll and controls rebound under load. Heavy-duty construction: Hardened piston rod and corrosion-resistant finish for extended service life in harsh conditions. Height-tunable: Designed for factory or mild lift setups to refine stance and ground clearance. Consistent performance: Engineered to resist fade during prolonged towing or off-road use. Benefits Experience firmer cornering, smoother highway cruising and improved control on rough terrain. This shock absorber maintains stable damping under load, enhancing safety and comfort for work, fleet or recreational driving. Why Choose Bilstein Bilstein combines motorsport-proven technology with OEM-grade reliability. The B8 5100 Series is a trusted upgrade for Sierra owners seeking a durable, performance-focused suspension solution.