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Fitting broke right below hex and is flush with manifold. Inside dia. of plastic is "mushy" outside dia. is still very rigid and stuck in threads. 1"-14 UNS thread
OE 'PLASTIC' fitting?????.... fit is original.... should be metal.!! Split it (inside) with a mini hacksaw or a blade locked in vice grips. Then with a sharp punch and small hammer, extract both pieces..... Need more info.... Reply here!