Best Engine Block Heater

Zerostart 2204037 Circulation Heater, 5/8" (15.9 mm) Diameter Inlet/Outlet | CSA Approved | 120 Volts | 1500 Watts

Kat's - 1155X 1155 200 Watt Magnetic Heater

Kat's 1190 Magnetic Engine Heater, 1190X

Zerostart 3100006 Engine Block Heater for Acura, Cadillac, Honda, Saab, 28mm Thread | CSA Approved | 120 Volts | 400 Watts

***Original*** HOTSTART Engine Heater TPS151GT10-000 - Coolant preheater | 1500 watts 120V 12.5A | ON: 100°F (38°C) – Off 120°F (49°C) | 1 Year Warranty!

ZeroStart Starting Products (Phillip Engine Heater 400W 120V 1/2 Inch NPT Brass Adapter (Ford Jag (3100002)

HOTSTART TPS101GT10-000 Engine Heater | Heating Fluid: Engine Coolant, Water, other - No pump needed | Auto Thermostat Range ON: 100°F – OFF 120°F | Original | 1 Year Warranty!

Zerostart 3500022 Engine Block Immersion Heater for Cummins, Paccar, 3/4 inch NPT Thread | CSA Approved | 120 Volts | 750 Watts

ZeroStart Starting Products 310-0043 Engine Block Heater

Zerostart 3500043 Engine Block Heater for Ford, Mercury, Lincoln, International, Caterpillar, Detroit Diesel, Hino, Mack, Nissan, 3/4 inch NPT Thread | CSA Approved | 120 Volts | 1000 Watts