ECOGARD X5313 Spin-On Engine Oil Filter for Conventional Oil - Premium Replacement Fits Chevrolet Silverado 2500 HD, Silverado 3500, Suburban 2500, K3500, C3500, Avalanche 2500, K2500 Suburban COMPATIBLE with 2001-2006 Chevrolet Silverado 2500 HD, 2001-2006 Chevrolet Silverado 3500, 2001-2006 GMC Sierra 2500 HD, 2001-2006 Chevrolet Suburban 2500, 1999-2000 Chevrolet K3500, 1999-2000 Chevrolet C3500, 1999 Chevrolet Avalanche 2500. 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.