This is a New Aftermarket Exhaust Manifold for the Avalanche Chevrolet Van, GMC Van, Escalade, Escalade ESV & EXT, Hummer H2, Sierra 1500,2500,3500, Silverado 1500,2500,3500, Suburban, Tahoe, & Yukon, Yukon XL with the 4.8L, 5.3L, 6.0L & 6.2L Engine size. This is for the Driver Side (LH-Side).
GM Part #12571679
Make / Model :Avalanche: 00-13 ; 5.3LChevrolet Van: 03-12 ; 4.8L, 5.3L, 6.0LGMC Van: 03-12 ; 4.8L, 5.3L, 6.0LEscalade, ESV, EXT: 02-13, 5.3L, 6.0L,6.2LHummer H2: 03-09 ; 6.0L, 6.2LSierra 1500: 99-14 ; 4.8L, 5.3L, 6.0L, 6.2LSierra 2500: 99-13 ; 6.0LSierra 3500: 01-13 ; 6.0LSierra Denali: 02-13 ; 6.0LSilverado 1500: 99-14 ; 4.8L, 5.3L, 6.0L, 6.2LSilverado 2500: 99-14 ; 6.0LSilverado 3500: 01-13 ; 6.0LSuburban 1500: 00-13 ; 4.8L, 5.3L, 6.0LSuburban 2500: 00-13 ; 6.0LTahoe: 00-14 ; 4.8L, 5.3L, 6.0L, 6.2L Yukon: 00-14 ; 4.8L, 5.3L, 6.0L, 6.2LYukon XL 1500: 00-14 ; 5.3L, 6.0L, 6.2LYukon XL 2500: 00-14 ; 6.0L