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The Haltech M12 x 1.5 weld fitting is an aluminum adapter sized for small-thread water or coolant temperature sensors. It allows a welded sensor port for M12-thread senders, simplifying installation of a dedicated temperature sensor into coolant lines or a housing for data-logging and engine management where a compact, secure fitment is needed.
Haltech Weld Fitting M12 x 1.5 - Aluminum
