Premium Guard Cabin Air Filter PC5643 | Fits 2003-2008 Mazda 6 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 Mazda 6. Precisely designed for Mazda 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 Mazda GK3J-61-148 cabin air filters