Replacement HVAC Control Module fits GMC Sierra 3500 2005-2006 85TYWC

New HVAC Climate Control Module Silverado Sierra Tahoe Yukon Envoy Trailblazer

Fits 2003-2006 GMC Sierra 2500 HD HVAC Control Module Rear Dorman 2004 2005 2006

Replacement HVAC Control Module fits GMC Sierra 3500 2001 78YNGF

1999–2002 GMC Sierra 1500 OEM HVAC Climate Control Module

Dorman HVAC Control Module fits GMC Sierra 3500 2003-2006 25JNHV

For 1999-2002 Chevy GMC Sierra Silverado Tahoe 1500/2500 HD HVAC Control Module

Replacement HVAC Control Module fits GMC Sierra 3500 2001-2002 17BVVX