Industrial MS24543-2 Water Temperature Gauge Unit

The Industrial MS24543-2 Water Temperature Gauge Unit is an analog, 24 VDC engine-coolant temperature indicator designed for rugged military electrical systems. The black-face dial (2-1/16 in / 52 mm) mounts in the dashboard and reads temperature via a compatible military sender (MS24537-1 or equivalent) using electrical resistance. Operating over a 120°F–240°F range, it provides a straightforward gauge of coolant temperature to operators and maintenance personnel. It uses military rubber shell connectors and complies with MIL-I-10986 instrumentation; part number MS24543-2, NSN 6685-00-936-2139, and multiple alternate part numbers indicate its compatibility across a range of platforms, including Humvee M998, M35, M809, M939, M54 and other 24V military vehicles and equipment. Common applications include tactical vehicles, cargo trucks, military support equipment, generators, and off-road platforms where monitoring engine coolant is critical to prevent overheating. It is intended for dashboard installation, replacement of failed indicators, or restoration work, and originates from the United States or an approved aftermarket manufacturer depending on production source.