The Bilstein B4 Series 19-164489 is a premium gas-pressure shock absorber designed to restore the original handling and stability of your vehicle. Utilizing innovative Twintube technology, it ensures maximum safety and comfort under all road conditions. This product is engineered specifically for vehicles with standard or sports suspension, providing OE-quality performance. Included in this listing: 1x Shock Absorber Rear (Art. No. 19-164489). It is recommended to replace shock absorbers in pairs for optimal performance.