Fits these vehicles:

2003-16 Chevrolet Express 2500 Van V8 6.6L Turbo Diesel Front & Rear Thermostat

2003-16 Chevrolet Express 3500 Van V8 6.6L Turbo Diesel Front & Rear Thermostat

2001-17 Chevrolet Silverado 2500 HD V8 6.6L Turbo Diesel Front & Rear Thermostat

2007 Chevrolet Silverado 2500 HD Classic V8 6.6L Turbo Diesel Front & Rear Thermostat

2001-06 Chevrolet Silverado 3500 V8 6.6L Turbo Diesel Front & Rear Thermostat

2007 Chevrolet Silverado 3500 Classic V8 6.6L Turbo Diesel Front & Rear Thermostat

2007-17 Chevrolet Silverado 3500 HD V8 6.6L Turbo Diesel Front & Rear Thermostat

2003-17 GMC Savana 2500 Van V8 6.6L Turbo Diesel Front & Rear Thermostat

2003-17 GMC Savana 3500 Van V8 6.6L Turbo Diesel Front & Rear Thermostat

2001-17 GMC Sierra 2500 HD V8 6.6L Turbo Diesel Front & Rear Thermostat

2007 GMC Sierra 2500 HD Classic V8 6.6L Turbo Diesel Front & Rear Thermostat

2001-06 GMC Sierra 3500 V8 6.6L Turbo Diesel Front & Rear Thermostat

2007 GMC Sierra 3500 Classic V8 6.6L Turbo Diesel Front & Rear Thermostat

2007-17 GMC Sierra 3500 HD V8 6.6L Turbo Diesel Front & Rear Thermostat

OEM Part Number:131-1129, 97241130
FOR:2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013, 2014 2015 2016 2017 Express 2500 Van Express 3500 Van, Savana 2500 Van Savana 3500 Van Sierra 2500 HD, Sierra 2500 HD Classic Sierra 3500 Sierra 3500 Classic, Silverado 2500 HD Silverado 2500 HD Classic Silverado 3500, Silverado 3500 Classic Chevy GMC Kit Set Thermostat
Thermostat Front & Rear Kit Pair for GM