Thread : 1/4"x18 NPT Male Thread to 1/2"x20 UNF Female Thread. Female Thread : 1/2"x20 UNF ( 20 TPI ). BRASS SUMP PLUG OIL TEMPRATURE SENSOR GAUGE ADAPTER x 1 piece. Thread : M10x1 Male Thread to 1/8"x27 NPT Female Thread.
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