Bilstein 31-31-6-781-903 B4 Front Suspension Strut for MINI Cooper

The Bilstein 31-31-6-781-903 is a Bilstein B4 Series OE Replacement front suspension strut designed as a direct-fit replacement for MINI Cooper models. Engineered to restore factory ride quality and handling, this strut meets or exceeds the original equipment specifications and is a trusted choice for European vehicle enthusiasts and technicians.

Bilstein's B4 Series is engineered specifically for drivers seeking a like-for-like OE replacement that delivers the same performance characteristics as the original factory-installed component. Each strut is built using Bilstein's proven monotube gas-pressure damping technology, providing consistent, fade-free performance over the life of the part.

Key Features:

• Bilstein B4 Series OE replacement front strut
• Monotube, gas-pressure damping design for consistent performance
• Direct bolt-on replacement — no modification required
• Manufactured to original equipment specifications
• Restores factory ride comfort, handling, and control
• Corrosion-resistant finish for long service life
• Also referenced as Bilstein part number 22-170996

OEM / Cross-Reference Part Numbers: 31316781903, 31-31-6-781-903, 31 31 6 781 903, 31316785213, 31316857133

The Bilstein B4 strut is the preferred choice for restoring suspension integrity on MINI Cooper vehicles, offering a straightforward installation and long-lasting durability backed by Bilstein's reputation for German engineering excellence.