2004 Buick Regal air filters
Engine air filters from the marketplace Air Filters leaf (id 2592).
4 distinct products mapped to this year in this public category.
ACDelco GM Original Equipment A1614C Air FilterView on Amazon
Spectre Essentials Engine Air Filter by K&N: Premium, 50-Percent Longer Life: Fits 1988-2009 BUICK/CADILLAC/PONTIAC/CHEVY (Allure, LaCrosse, LeSabre, DeVille, Grand Prix, Impala, Monte Carlo) SPA-2141View on Amazon
K&N Engine Air Filter: Reusable, Clean Every 75,000 Miles, Washable, Replacement Car Air Filter: Compatible 1999-2008 Buick/Pontiac/Chevy (Regal, Century, Impala, Monte Carlo, Grand Prix), 33-2141-1View on Amazon
Red Washable Drop-In Air Filter Panel Compatible with Buick Allure Century Regal Chevy Impala Pontiac Grand Prix 99-09View on Amazon