For 2007-2011 GMC Sierra 3500 HD Accessory Power Relay API 95293JCCP 2008 2009

API 39PB55P Accessory Power Relay Fits 2007-2011 Chevy Silverado 3500 HD

For 2007 GMC Sierra 3500 Classic Accessory Power Relay API 56969WKRS

API 33VX16J Accessory Power Relay Fits 2007 GMC Sierra 3500 Classic

For 2002-2005, 2007-2011 GMC Sierra 2500 HD Accessory Power Relay API 87727GTRC

For 2011-2012 GMC Sierra 3500 HD Accessory Power Relay API 58323WWJV

API 57XC37Y Accessory Power Relay Fits 2007 GMC Sierra 1500 HD Classic

API 48NV48T Accessory Power Relay Fits 2002-2005, 2007-2011 GMC Sierra 2500 HD