Compatible with GMC C4500 6.6L 8.1L, C5500 6.6L 8.1L, Envoy XL 5.3L, Envoy XUV 5.3L, Savana 1500 5.3L, Savana 2500 4.8L 5.3L 6.0L, Savana 3500 6.0L, Sierra 1500 4.8L 5.3L 6.0L, Sierra 2500 5.3L 6.0L, Sierra 3500 6.0L, Yukon 4.8L 5.3L 6.0L, Yukon XL 1500 5.3L 6.0L, Yukon XL 2500 6.0L. Compatible with Hummer H2 6.0L. Compatible with Isuzu NPR 6.0L. Compatible with Workhorse W22 8.1L Replacement for #12556893# #12570553# #3859078# #38590782# #392889925# D581 UF271 1 Year Limited Warranty Please use enter your vehicle in your Amazon Garage above to see if this part is compatible with your vehicle. Compatible with Cadillac Escalade 5.3L 6.0L, Escalade ESV EXT 6.0L. Compatible with Chevrolet Avalanche 1500 5.3L, Avalanche 2500 8.1L, C4500 6.6L 8.1L, C5500 8.1L, C7500 8.1L, Express 1500 5.3L, Express 2500 4.8L 5.3L 6.0L, Express 3500 4.8L 6.0L, Monte Carlo 5.3L, Silverado 1500 4.8L 5.3L 6.0L, Silverado 1500 Classic 4.8L 5.3L 6.0L, Silverado 1500 HD 6.0L Silverado 2500 5.3L 6.0L, Silverado 3500 6.0L 8.1L, SSR 5.3L, Suburban 1500 5.3L, Suburban 2500 6.0L, Tahoe 4.8L 5.3L, Trailblazer EXT 5.3L
Compatible with 2004 Buick Rainer 5.3L
Compatible with 2002-2004 Cadillac Escalade 6.0L
Compatible with 1999-2006 Chevy C,K 1500 Silverado Gen III LS1 Vortec Trailbazer 4.8L
Compatible with 1999-2006 Chevy C,K 1500 Silverado 4.8L
Compatible with 1999-2006 Chevy SSR 4.8L
Compatible with 1999-2006 Chevy C,K 1500-2500 Silverado, Ssr Gen III LS1 Vortec 5.3L
Compatible with 1999-2006 Chevy Suburban, Tahoe Gen III LS1 Vortec 5.3L
Compatible with 1999-2006 Chevy C, K 2500 Silverado Gen III LS1 Vortec 6.0L
Compatible with 1999-2006 Chevy Suburban, Tahoe Gen III LS1 Vortec 6.0L
Compatible with 1999-2006 GMC C, K 1500 Sierra Gen III LS1 Vortec, Envoy 4.8L
Compatible with 1999-2006 GMC C, K 1500 Sierra Gen III LS1 Vortec 5.3L
Compatible with 1999-2006 GMC Yukon, Dli Gen III LS1 Vortec 5.3L
Compatible with 1999-2006 GMC C, K 2500 Sierra, Yukon Gen III LS1 Vortec 6.0L