The FCS Auto 342509 Rear Shock Absorber is engineered to restore the original handling and control of Ford F-250 and F-350 Super Duty trucks. Designed for the rear position, this shock absorber features a twin-tube construction that effectively dampens road irregularities, enhancing ride comfort and vehicle stability. The valving is specifically calibrated for each application, ensuring optimal performance and a smooth driving experience. Constructed with a mirror-finished, hard-chrome piston rod, it offers superior corrosion resistance and leak-free sealing, extending the service life of the component. The inclusion of Freudenberg NOK seals, a premium OE-grade seal, ensures long-term dependable performance even under extreme temperature conditions. Additionally, the shock absorber is filled with premium OE Eneos oil, which provides consistent dampening over a wide range of temperatures, further enhancing ride quality. Reinforced brackets are incorporated into the design to withstand harsh road conditions, contributing to the overall durability and reliability of the shock absorber. This component is compatible with 1999-2004 Ford F-250 and 1999-2016 Ford F-350 models, making it a suitable replacement for worn or damaged rear shock absorbers. By choosing the FCS Auto 342509 Rear Shock Absorber, fleet operators can expect improved steering, handling, and braking ability, leading to enhanced safety and reduced wear and tear on tires and other suspension components. The direct-fit design facilitates easy installation, minimizing downtime and labor costs, thereby maximizing fleet productivity. Investing in this high-quality shock absorber ensures that vehicles maintain optimal performance, contributing to the overall efficiency and longevity of the fleet.