This top quality Dorman Exhaust Manifold generally fits Cadillac - Chevrolet - GMC - Hummer vehicles and includes models such as Escalade - Avalanche1500 - Express1500 - Express2500 - Express3500 - Silverado1500 - Silverado1500HD - Silverado2500 - Silverado2500HD - Silverado3500 - Suburban1500 - Suburban2500 - Tahoe - Silverado3500HD - ExpressCargo - Savana1500 - Savana2500 - Savana3500 - Sierra1500 - Sierra1500HD - Sierra2500 - Sierra2500HD - Sierra3500 - SierraC3 - Yukon - YukonXL1500 - YukonXL2500 - Sierra3500HD with trims including . Engine types may include 6.0 V8 GAS FI - 5.3 V8 GAS FI - 6.2 V8 GAS FI - 5.3 V8 FLEX FI - 4.8 V8 GAS FI. This part fits vehicles made in the following years 2012 - 2011 - 2010 - 2009 - 2008 - 2007 - 2006 - 2005 - 2004 - 2003 - 2002 - 2001 2000 1999.