Dorman M630274. GMC C4500 / C5500 / C6500 / C7500 Topkick 2003-2009. Chevrolet C4500 / C5500 / C6500 / C7500 Kodiak 2003-2009. Ensure your pushrod is perfectly aligned and the booster face is clean. Bexar Pro Components | Distributed by Automotive Brake & Clutch.
