Part Type: A/C Accumulator. Manufacturer: Four Seasons. Type: Accumulator. 2007 GMC Sierra 3500 Classic Engine: 6.0L V8;. 2007 GMC Sierra 3500 Classic Engine: 8.1L V8;. To confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in theCompatibility Table.
