Premium Guard Cabin Air Filter PC5527 | Fits 2001-2004 Chevrolet Silverado 1500, 2003-2004 GMC Sierra 1500, 2003-2006 Chevrolet Avalanche, 2003-2004 Chevrolet Silverado/GMC Sierra 2500HD/3500HD Premium Guard Cabin Filters prevents harmful spores and pollen from entering the vehicle cabin while keeping passengers protected. We have maximized the filtration area in our cabin filters without affecting the free-flow of air into the passengers' cabin. Compatible with Chevrolet Silverado 1500, GMC Sierra 1500, Chevrolet Avalanche, Chevrolet Silverado / GMC Sierra 2500HD/3500HD. Precisely designed for Chevrolet, GMC cabin air filter requirements. Cabin Air Filter installs smoothly with easy-to-follow product replacement instructions inside each Premium Guard Cabin Air Filter box. Installation only takes a few minutes in most cars. Replaces GM 88986533 cabin air filters