Smart Car of America Forum banner

water temperature gauge

  1. smart Operation and Maintenance
    All, Trying to install water temp and oil pressure gauges in my Smart. Water - The coolant drain plug is M12 X 1.25 (can someone confirm this, please) Adapter to 1/8 npt is here - LMA Gauge Sender Unit Adaptors | Demon Tweeks Oil - The oil pressure port is 1/8 bspt, adapter to 1/8 bspt to...