Part Type: A/C Refrigerant Suction Hose. Refrigerant Type: R134A. Suction Line Hose Assembly. 2007 GMC Sierra 2500 HD Engine: 6.6L V8; Suction Line;. Manufacturer: Four Seasons. Hose Assembly. To confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in theCompatibility Table.
