The Bilstein B4 Series 19-229614 is a high-quality Twintube OE Replacement Shock Absorber designed to restore your vehicle's original handling characteristics and ride comfort. Engineered for the Toyota Prius, this gas-pressure shock absorber ensures consistent damping power under any load. Main features: constant damping performance, high power reserves for maximum safety, and original Bilstein gas-pressure technology. Package includes: 1x Rear Shock Absorber (Article: 19-229614). Note: To ensure balanced suspension performance, it is highly recommended to replace shock absorbers in pairs.