Part Type: A/C Evaporator Core. Parallel Flow Evaporator Core. Evaporator Core. Manufacturer: Four Seasons. 2009 GMC Sierra 2500 HD Submodel: Crew Cab Pickup; Engine: 6.0L V8; Vehicle w/o Rear AC;. 2009 GMC Sierra 2500 HD Submodel: Crew Cab Pickup; Engine: 6.6L V8; Vehicle w/o Rear AC;.
