This dual temperature gauge is designed for 12V automotive electrical systems.It features a 1/8 NPT external thread for secure installation and measures temperatures in the range of 40 to 140°C.The brass construction provides , and the single-wire design connects to the gauge while grounding through the threaded body when mounted to the engine or sandwich plate.It serves as a direct replacement for faulty aftermarket oil or water temperature senders and is compatible with most 12V temperature gauge systems.Suitable for use in performance and motorsport vehicles requiring real-time thermal monitoring.Package includes: 1 x Temperature Sender.