Charging Port Adapter Small 3/16" R12 Port to Accept R134a 'Quick Disconnect'. Condition is "New".
This Retrofit Adapter Will Convert Your 'Small', 3/16" (3/8") Male Flare Threaded R12 Service Port Fitting, High Side,To Accept The R134a Hose With 16mm 'Quick Disconnect
Replaces: 4 Seasons Four Seasons 59978
General Motors 52467941