POA Update Kit, GM & Ford Applications [50-2551]
US Patent # 5918476 , replaces GM # 38851 , Delco 15-51 & 15-5191
This POA Update Kit is for use with R-12 refrigerant, for 134a order 50-2551A
POA valve update kits convert the A/C system to a cycling clutch type system as found
on later model vehicles.  Eliminates aggravating problems with sticking internal piston.
Update kit includes: Pressure cycling switch, O-rings, wire harness and fitting to replace original POA valve with ports to attach oil bleed line and expansion valve equalizer tube.

Made in the USA!!!
Old Air Products has been in business since 1989. We strive to provide quality parts and unsurpassed customer service. Our company specializes in complete aftermarket A/C and Heater Systems and Factory Replacement A/C & Heater Parts for Antique, Classic, and Custom Vehicles.  We have many NOS & NORS parts in stock including Heater Valves, Receiver/Driers, Cables, update kits for STV & POA Valves, A/C Hose Assemblies, Vacuum Valves and Electrical Switches.for our A/C & Heater Systems and Air Conditioning parts for Antique and Classic Vehicles.

If you have any questions about this item please contact our sales/technical support department or for our other A/C & Heater systems and parts available for antique and classic vehicles.