MLR M10x1.0 3 PORT ADAPTOR FOR OIL GAUGE SENDERS. Engine Block: M10x1.0 SELF SEALING TAPERED THREAD. Gauge Ports: 1/8npt (M10x1.0 Sender units will also fit). This adaptor is designed to fit in place of the oil pressure warning light switch on the engine block to provide Three 1/8npt ports for multiple gauge sender units or pressure switches.
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