| Vehicle | Engine |
| Position: Heater To Thermostat |
| 1999-2009 GMC Sierra 1500 | 5.3L V8 GAS |
| 2009-2013 GMC Sierra 1500 | 6.2L V8 FLEX |
| 2010-2013 GMC Sierra 1500 | 4.8L V8 FLEX |
| 2002-2013 GMC Sierra 1500 | 5.3L V8 FLEX |
| 2001-2009 GMC Sierra 1500 | 6.0L V8 GAS |
| 2005-2006 GMC Sierra 1500 | 5.3L V8 FULL HYBRID EV-GAS (FHEV) |
| 2007-2008 GMC Sierra 1500 | 6.2L V8 GAS |
| 1999-2009 GMC Sierra 1500 | 4.8L V8 GAS |
| 2007 GMC Sierra 1500 Classic | 5.3L V8 GAS |
| 2007 GMC Sierra 1500 Classic | 4.8L V8 GAS |
| 2007 GMC Sierra 1500 Classic | 6.0L V8 GAS |
| 2007 GMC Sierra 1500 Classic | 5.3L V8 FULL HYBRID EV-GAS (FHEV) |
| 2007 GMC Sierra 1500 Classic | 5.3L V8 FLEX |
| 2001-2003, 2005-2006 GMC Sierra 1500 HD | 6.0L V8 GAS |
| 2007 GMC Sierra 1500 HD Classic | 6.0L V8 GAS |
| 1999-2004 GMC Sierra 2500 | 6.0L V8 GAS |
| 1999-2000 GMC Sierra 2500 | 5.3L V8 GAS |
| 2002 GMC Sierra 2500 | 6.0L V8 BI-FUEL |
| 2002 GMC Sierra 2500 | 6.0L V8 CNG |
| 2002-2005 GMC Sierra 2500 HD | 6.0L V8 CNG |
| 2001-2009 GMC Sierra 2500 HD | 6.0L V8 GAS |
| 2002 GMC Sierra 2500 HD | 6.0L V8 BI-FUEL |
| 2007 GMC Sierra 2500 HD Classic | 6.0L V8 GAS |
| 2001-2006 GMC Sierra 3500 | 6.0L V8 GAS |
| 2003-2005 GMC Sierra 3500 | 6.0L V8 CNG |
| 2007 GMC Sierra 3500 Classic | 6.0L V8 GAS |
| 2007-2009 GMC Sierra 3500 HD | 6.0L V8 GAS |
| 2010-2014 GMC Yukon | 6.2L V8 FLEX |
| 2007-2008 GMC Yukon | 6.2L V8 GAS |
| 2001-2008 GMC Yukon | 5.3L V8 GAS |
| 2001-2006 GMC Yukon | 6.0L V8 GAS |
| 2002-2008, 2010-2014 GMC Yukon | 5.3L V8 FLEX |
| 2001-2008 GMC Yukon | 4.8L V8 GAS |
| 2007-2008 GMC Yukon XL 1500 | 6.2L V8 GAS |
| 2002-2008, 2010-2014 GMC Yukon XL 1500 | 5.3L V8 FLEX |
| 2001-2008 GMC Yukon XL 1500 | 6.0L V8 GAS |
| 2001-2008 GMC Yukon XL 1500 | 5.3L V8 GAS |
| 2010-2014 GMC Yukon XL 1500 | 6.2L V8 FLEX |
| 2010-2013 GMC Yukon XL 2500 | 6.0L V8 FLEX |
| 2001-2008 GMC Yukon XL 2500 | 6.0L V8 GAS |