Part Type: A/C Refrigerant Suction Hose. Refrigerant Type: R134A. Suction Line Hose Assembly. 2006 GMC Sierra 2500 HD Engine: 6.0L V8; Suction Line; 2nd Design of Part with 17 mm. 2006 GMC Sierra 2500 HD Engine: 8.1L V8; Suction Line; 2nd Design of Part with 17 mm.
