ECOGARD X111 Spin-On Engine Oil Filter for Conventional Oil - Premium Replacement Fits Buick LeSabre, Century, Regal, Park Avenue, Rendezvous, LaCrosse, Lucerne, Riviera, Skylark, Terraza, Electra COMPATIBLE with 1977-2005 Buick LeSabre, 1980-2005 Chevrolet Impala, 1978-2008 Pontiac Grand Prix, 1983-2003 Chevrolet S10, 1978-2006 Chevrolet Malibu, 1977-2005 Buick Century, 1985-2002 Chevrolet Cavalier, 2002-2013 Chevrolet Silverado 1500. BUILT for both SYNTHETIC AND CONVENTIONAL OILS. Proven to drive up to 5,000 miles between oil changes with confidence. GREATER ENGINE PROTECTION by optimally screening out 97% of harmful contaminants such as such as carbon, sand, dust and bits of metal before they can get into your engine. PREVENT DRY STARTS with by eliminating internal leakage during shutdown and startup through the use of an NBR anti-drain back valve (where required by OEM). WITHSTANDS FIVE TIMES ENGINE OPERATING PRESSURE for superior protection.