GOOD Quality, Compressor Fittings ToConvert to R134a Service Ports For 60's, 70's & 80's FORD/LINCOLNMERCURY VEHICLES Using Original Style York / Tecumseh Compressor, AND Also  York 209/210 Compressor With ROTOLOCK Head Fittings (1"-14 Thread), To Accept #8 &#10 Female O Ring Hose Fittings. Fittings Come With R134A Service Ports, 13MM& 16MM

Ford/ Lincoln Mercury,Peterbilt,Freightliner, Kenworth,International Navistar With York/Tecumseh Compressors with 'Rotolock'(1"-14 Thread) Head Fittings

Blue Used On Suction  (Low) Side, Female 1 X 14 Threads,To Allow Hook Up of Suction Hose(#10 O ring fitting) and Servicing of System..

Red  Used On Discharge  (High) Side, Female 1 X 14Threads, To Allow Hook Up of Suction Hose(#8 O ring fitting) and Servicing ofSystem.

FourSeasons 14730/14738

ATCO2031-3 / 35-12031-3 / 2032-3 / 35-12032-3