OEM 819-87481987420832565 Fit For the Following Models 2010 Silverado 2500 HD LT, LTZ, WT 6.6L V8 - Diesel 2010 Silverado 3500 HD LT, LTZ, WT 6.6L V8 - Diesel 2010 Sierra 2500 HD SLE, SLT, WT 6.6L V8 - Diesel 2010 Sierra 3500 HD SLE, SLT, WT 6.6L V8 - Diesel 2009 Silverado 2500 HD LT, LTZ, WT 6.6L V8 - Diesel 2009 Silverado 3500 HD LT, LTZ, WT 6.6L V8 - Diesel 2009 Sierra 2500 HD SLE, SLT, WT 6.6L V8 - Diesel 2009 Sierra 3500 HD SLE, SLT, WT 6.6L V8 - Diesel 2008 Silverado 2500 HD LT, LTZ, WT 6.6L V8 - Diesel 2008 Silverado 3500 HD LT, LTZ, WT 6.6L V8 - Diesel 2008 Sierra 2500 HD SLE, SLT, WT 6.6L V8 - Diesel 2008 Sierra 3500 HD SLE, SLT, WT 6.6L V8 - Diesel 2007 Silverado 2500 HD LT, LTZ, WT 6.6L V8 - Diesel 2007 Silverado 2500 HD LS, LT, WT 6.6L V8 - Diesel 2007 Silverado 3500 LS, LT, WT 6.6L V8 - Diesel 2007 Silverado 3500 HD LT, LTZ, WT 6.6L V8 - Diesel 2007 Sierra 2500 HD SLE, SLT, WT 6.6L V8 - Diesel 2007 Sierra 2500 HD SL, SLE, SLT, WT 6.6L V8 - Diesel 2007 Sierra 3500 SL, SLE, SLT, WT 6.6L V8 - Diesel 2007 Sierra 3500 HD SLE, SLT, WT 6.6L V8 - Diesel 2006 Silverado 2500 HD LS, LT, WT 6.6L V8 - Diesel 2006 Silverado 3500 LS, LT, WT 6.6L V8 - Diesel 2006 Sierra 2500 HD SL, SLE, SLT, WT 6.6L V8 - Diesel 2006 Sierra 3500 SL, SLE, SLT, WT 6.6L V8 - Diesel 2005 Silverado 2500 HD Base, LS, LT, WT 6.6L V8 - Diesel 2005 Silverado 3500 Base, LS, LT 6.6L V8 - Diesel 2005 Sierra 2500 HD Base, SLE, SLT, WT 6.6L V8 - Diesel 2005 Sierra 3500 Base, SLE, SLT, WT 6.6L V8 - Diesel 2004 Silverado 2500 HD Base, LS, LT, WT 6.6L V8 - Diesel 2004 Silverado 3500 Base, LS, LT, WT 6.6L V8 - Diesel 2004 Sierra 2500 HD Base, SLE, SLT, WT 6.6L V8 - Diesel 2004 Sierra 3500 Base, SLE, SLT, WT 6.6L V8 - Diesel