Bilstein 31277598 OE Replacement Suspension Strut Assembly - B4

The Bilstein 31-277598 is a B4 OE Replacement suspension strut assembly engineered to restore your vehicle's original ride quality and handling characteristics. Designed as a direct-fit replacement, this strut meets or exceeds original equipment standards, making it the ideal solution for drivers looking to return their suspension to factory performance levels with the added confidence of Bilstein's world-renowned engineering.

Key Features:

• B4 OE Replacement Series — engineered to match factory ride quality and handling
• Direct bolt-on fitment — no modifications required for straightforward installation
• Gas pressure technology — provides superior damping control and fade-free performance
• Meets or exceeds OE standards — professional-grade construction built to factory specifications
• Monotube design — promotes better heat dissipation and more consistent damping performance compared to conventional twin-tube designs
• Durable finish — corrosion-resistant construction for long service life

Bilstein B4 struts are the preferred choice for drivers seeking a reliable, like-new suspension restore. Common signs that indicate strut replacement is needed include degraded ride quality, excessive body roll, suspension noise, or uneven tire wear. It is recommended to replace struts in axle pairs (driver and passenger side simultaneously) to maintain balanced handling and even wear. Backed by Bilstein's limited lifetime warranty for the original purchaser.