Part Type: HVAC Heater Core. 2007 GMC Sierra 1500 HD Classic Submodel: Crew Cab Pickup; Engine: 6.0L V8; w/ Rear Vents In Center Console;. Aluminum Heater Core. Heater Core. Compatible Years: 2007. Ensure that this part fits your vehicle by entering your vehicle's Year, Make, Model, Trim, and Engine in the Compatibility Table.
