Bilstein 19-322100 B4 OE Replacement Shock Absorber

The Bilstein 19-322100 is a B4 Series OE Replacement shock absorber engineered to restore factory ride quality and handling performance. Designed as a direct drop-in replacement for worn or failed original equipment shocks, this unit is built to Bilstein's exacting German engineering standards and manufactured to match OEM specifications precisely.

Bilstein's B4 Series shocks utilize their signature monotube gas-pressure design, which separates the oil and nitrogen gas charge with a floating piston. This construction virtually eliminates aeration and foaming of the damping fluid, ensuring consistent, fade-free performance mile after mile — a notable improvement over conventional twin-tube OEM replacements.

Key Features:

• Direct OEM replacement — no modifications required for installation
• Monotube gas-pressure design for consistent, fade-free damping
• Nitrogen gas charge prevents fluid aeration and foaming
• Velocity-sensitive, digressive damping valving for a balanced ride
• Premium zinc-coated body for corrosion resistance and long service life
• Manufactured to strict OEM tolerances for precise fitment
• Restores factory ride comfort and vehicle handling dynamics
• Meets or exceeds original equipment specifications

The Bilstein B4 Series is the preferred choice for drivers seeking a reliable, high-quality OEM-grade shock replacement. Bilstein is a trusted OEM supplier to numerous European and domestic automakers, making the B4 a true like-for-like upgrade that delivers lasting performance without altering ride height or suspension geometry.