Question: Will a sensor of 7.3mm diameter fit through the opening on this adapter? - Patrick Answer: Hey Patrick, as long as the thread for the sensor is 1/8 BSPT it should fit fine.
GReddy Oil Temperature Sensor Adapter - M12 x P1.25 for GReddy Gauges. Uses a 1/8 BSPT sensor port, which is standard for most Japanese gauges. Will not fit most Western gauges using 1/8 NPT. Note: This unit replaces oil pan drain plug
Question: Will a sensor of 7.3mm diameter fit through the opening on this adapter? - Patrick Answer: Hey Patrick, as long as the thread for the sensor is 1/8 BSPT it should fit fine.