The WABCO O-Rings Rear Axle ABS Modulator Valve is a high-quality product designed to maintain the safety and reliability of your vehicle's braking system. This product features a durable construction and precise engineering that ensures a perfect fit and optimal performance. They are made from high-quality materials that are resistant to wear, tear and temperature fluctuations, ensuring long-lasting performance and reliability. They are easy to install and come with a straightforward instruction manual to guide you through installation. FleetPride is your First Click in Heavy Duty®.