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The GReddy Sirius OBD gauge set with a 74mm water temperature meter is an OBD-connected instrument solution that displays coolant temperature through GReddy’s Sirius interface. This 74mm variant integrates with the vehicle OBD port to present water-temperature data without separate hardwired sensors, providing a plug-in monitoring option for owners who want clear engine temperature readouts.
GReddy Sirius OBD Set (Water Temperature Meter) - 74mm
