Zerostart 3500069 Engine Block Immersion Heater for Ford, Lincoln, Mercury, International/Navistar, John Deere, 27mm Thread | CSA Approved | 120 Volts | 1000 Watts Ensure quick winter starts and reduce engine wear For Ford, Lincoln, Mercury, International/Navistar, John Deere. See Zerostart catalog for specific applications. 27mm Thread 6' cord included Volts: 120 | Watts: 1000 | Plug Type: 120 Volt, 15 Amp (Type A)