Orifice Tube?. : w/ Orifice Tube. Part Type: A/C Liquid Line with Orifice Tube. Liquid Line Hose Assembly w/ Serviceable Orifice Tube. Style: Liquid Line Hose Assembly w/ Serviceable Orifice Tube. 2011 Chevrolet Silverado 2500 HD Engine: 6.6L V8; w/o Ambulance Pkg.;.
