Part Type: A/C Evaporator Core. Parallel Flow Evaporator Core. Evaporator Core. Manufacturer: Four Seasons. 2008 GMC Sierra 3500 HD Submodel: Cab & Chassis; Engine: 6.0L V8; Vehicle w/o Rear AC;. 2008 GMC Sierra 3500 HD Submodel: Cab & Chassis; Engine: 6.6L V8; Vehicle w/o Rear AC;.
