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. 2006 Chevrolet Silverado 3500 Engine: 6.0L V8; w/o Low Side Service Port;.
