Zerostart 3100065 Freeze Plug Engine Block Heater for AMC, Cadillac, Chevrolet, Pontiac, Ford, Mercury, Lincoln, Jeep, Eagle, Isuzu, Zetor, 45mm Diameter | CSA Approved | 120 Volts | 600 Watts Ensure quick winter starts and reduce engine wear For AMC, Cadillac, Chevrolet, Pontiac, Ford, Mercury, Lincoln, Jeep, Eagle, Isuzu, Zetor. See Zerostart catalog for specific applications. 45mm Diameter 5.8' cord included Volts: 120 | Watts: 600 | Plug Type: 120 Volt, 15 Amp (Type A)