Firestone Airide 6401 Rear Replacement Air Spring fits 2011-2022 Silverado Sierra 2500HD 3500HD | Reduces Suspension Fatigue | Load Capacity of 5,000 Pounds | 5-100 PSI

FIRESTONE 6401 Vehicle Compatibility: These replacement air spring fits 2011-2022 Silverado Sierra 2500HD 3500HD, 2003-2009 Ram 2500 3500, 2011-2016 F250 F350; For Kit PN 2596/2299/2597/2550, Air Spring: This is a replacement double convoluted air spring that fits into existing coil springs; NOT a complete kit with brackets and hardware itself, Reduces Friction: Once your air springs are filled with the right amount of air, they help enhance your ride by reducing interleaf friction and absorbing road shock; It'll feel like you're riding on a cushion of air (because you are!), Ride Comfort: Beyond ride comfort, Ride-Rite air springs work to heighten your safety on the road; They help balance the pickup truck to support steering and braking responsiveness, reduce tire wear, and level headlight beams, Reverses Sagging: Ride-Rite air springs stop leaf springs from irreversible sagging under constant load and lower your chances of bottoming out by softening frame-axle interaction