Female M10x1 to Male M12x1.25 Reducer Oil Pressure Gauge Adapter Brass sump-
Size: M12x1.25(Male) Sump Thread- M10x1 Female Sender. For use with pressure & temperature gauges. Male Thread :M10x1. without a oil graded dowty seal its matching M10x1 (Female) brass blanking plug in case the sensor is ever removed.