Thread : 1/8"x28 BSP Male Thread to 1/4"x19 BSP Female Thread. Thread : 1/8"x28 BSP Male Thread to 1/4"x18 NPT Female Thread. Thread : 1/8"x28 BSP Male Thread to 1/8"x28 BSP Female Thread. BRASS SUMP PLUG OIL TEMPRATURE SENSOR GAUGE ADAPTER x 1 piece.
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