Seller notes

POA Update Kit, Ford and Mercury Applications [50-2554]patent # 5918476, replaces GM # 38851 Delco 15-51 & 15-5191This Kit is for use w/R-12 refrigerant, for 134A use 50-2554A 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. Includes: Pressure cycling switch, O-rings, wire harness & fitting to replace original POA valve W/ports to attach oil bleed line and expansion valve equalizer tube. M...

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