I. OE Replacement Part:
819-816, 15946178, 15946184, 15946199, 19356397

II. Compatibility:
Replacement for Chevy:
Silverado 1500HD 4.3L V6 2007-2008
Silverado 1500HD 4.8L V8 2004-2006
Silverado 1500HD 5.3L V8 2004-2008
Silverado 1500 Classic 4.3L V6 2007
Silverado 1500 Classic 4.8L 5.3L V8 2007
Silverado 2500HD 6.0L V8 2004-2010
Silverado 2500HD 8.1L V8 2004 2005
Silverado 3500HD 6.0L V8 2004-2010
Silverado 3500HD 8.1L V8 2004-2006
Replacement for GMC:
Sierra 1500HD 4.3L V6 2005-2008
Sierra 1500HD 4.8L V8 2004-2006
Sierra 1500HD 5.3L V8 2004-2008
Sierra 1500 Classic 4.3L V6 2007
Sierra 1500 Classic 4.8L 5.3L V8 2007
Sierra 2500HD 6.0L V8 2004-2009
Sierra 2500HD 8.1 L V8 2004-2006
Sierra 3500HD 6.0L V8 2004-2010
Sierra 3500HD 8.1L V8 2004-2006