This Variable Orifice Tube is insterted into the lower fitting of the condenser, located in front of the radiator. This is an upgrade over the original fixed orifice tubes and greatly helps cooling when you are in stop and go traffic. Fits as original and does not require any modification to the system. Will work with R12 or 134a.
1990-1993 Chevy/GM Trucks tended to switch their orifice tube locations. Please verify where your orifice tube is, before purchasing.
* Will not work in evaporator mounted orifice tube applications.
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