[Vehicle Fitment-1]: Compatible with Chevy Avalanche 1500, C10, C10 Suburban, Camaro, Caprice, Cavalier, Colorado, Compatible with Corvette, El Camino, Express 1500/2500/3500, Impala, Malibu, Monte Carlo, Silverado 1500/1500 HD/2500/2500 HD/3500, SSR, Suburban 1500/2500, Tahoe, Trailblazer, Trailblazer EXT, W3500/W4500 Tiltmaster
[Vehicle Fitment-2]: Compatible with GMC C1500/C2500/C1500 Suburban, Sierra 1500, Yukon, Yukon XL 1500/2500, Envoy, C1500, Caballero, Sierra 2500/1500 HD/2500 HD/3500, Envoy XL, Savana 1500/2500/3500, W4500 Forward, Envoy XUV, W3500 Forward, Canyon; Compatible with Jeep Wagoneer, Compatible with Cherokee, Scrambler, J10, CJ5, DJ5, CJ7, J20, Grand Wagoneer; Compatible with Buick Century, Electra, Estate Wagon, LeSabre, Rainier, Regal, Rendezvous, Riviera, Skylark
[Vehicle Fitment-3]: Compatible with Cadillac 60 Special, Allante, Brougham, Commercial Chassis, CTS, DeVille, Eldorado, Escalade, Escalade ESV/EXT, Fleetwood, Seville, SRX, XLR; Compatible with Saab 9-7x; Compatible with Checker Marathon; Compatible with Isuzu i-280, Ascender, i-290, NPR, NPR-HD; Compatible with Oldsmobile Cutlass Salon/Calais/Supreme/Cruiser, Cutlass, 98, Delta 88, Toronado, Custom Cruiser, Aurora, Achieva, Alero, Bravada
[Vehicle Fitment-4]: Compatible with Pontiac Grand LeMans/Prix/Safari, LeMans, Ventura, Firebird, Catalina, Bonneville, Laurentian, Parisienne, Grand LeMans, Safari, Grand Am, Sunfire, GTO; Compatible with AMC Concord, Spirit, Eagle; Compatible with Hummer H2; Compatible with Shelby Series 1; Compatible with Workhorse W42 --- Engine protection for up to 10,000 miles, with 99% filtration efficiency