For 2003-2007 GMC Savana 2500 Rear Window Defogger Relay AC Delco 45416MB 2004

AC Delco Rear Window Defogger Relay fits GMC Savana 2500 2003-2007 46CGJJ

AC Delco Rear Window Defogger Relay fits GMC Savana 1500 2003-2007 83JKRT

For 2007 GMC Sierra 3500 Classic Rear Window Defogger Relay AC Delco 67143NY

AC Delco Rear Window Defogger Relay fits GMC Sierra 3500 Classic 2007 85HVWD

For 1999-2006 GMC Sierra 1500 Rear Window Defogger Relay AC Delco 37762MG 2000

AC Delco Rear Window Defogger Relay fits GMC Yukon XL 1500 2000-2006 87RMVW

API Rear Window Defogger Relay fits GMC Savana 3500 1998, 2003-2007 73YTBC