Compatible with 1973-1987 Chevrolet/GMC C/K Series Trucks & 1973-1991 Blazer/Jimmy, Suburban. Are you having trouble closing the door to your squarebody when the windows are up? Or maybe you're hearing some wind noise coming from your door and all of the weather seals are good? Well it may be time to replace your door pressure relief valve. These valves were designed to release pressure from the interior of your cab to make it easier to shut the door. Get your new relief valve from BROTHERS Trucks today!. Sold individually. Compatible with driver or passenger sides.
