Water or oil temp sender, high match 140-280F, w/sealed plug wire harness. The harness is 10 (120" or 3.05 meter) long, UL approved cable. Temp range: 140 - 280F, high match, normally used in oil (transmission) temp. Output (connect to gauge): 240 - 33 ohms, Stewart-Warner standard. 1/8"-27 NPT thread mounting, 1/2" long for thread portion. See our fitting set for other thread size below. Weather pack sealed quick disconnect, wire harness included. 3/4" hex size. 0.9” long probe, can be cut to 0.55” probe length, there is a cutting gap on the probe for easy cutting. Total 1.3" long below hex head without cutting. Wiring: red for signal, black for ground. Black wire also can be connected to chassis for grounding.