Zerostart 350-0015 Engine Block Heater

Kat's 11481 400 Watt 35mm Engine Heater

Kat's 11900 Magnetic Engine Heater

Zerostart 3308003 Series 8000 Circulation Heater, 5/8" Diameter Inlet/Outlet | CSA Approved | 120 Volts | 1500 Watts

Mopar 68378169AB TUBE ENGINE OIL HEATER

Zerostart 3100055 Engine Block Heater for Chrysler, Dodge, Jeep, Kia, Mitsubishi, Hyundai, 1-5/8-Inch Diameter | CSA Approved | 120 Volts | 600 Watts

Kat's 11484 400 Watt 28mm Engine heater

Zerostart 8605556 Heavy Duty Engine Block Immersion Heater for Caterpillar, Detroit Diesel, International/Navistar and Perkins Engines, 1" NPT Thread | 120 Volts | 1500 Watts

Melling MPE-108BR Freeze Plug Kit

Kat's 24500 500 Watt 5.5" x 8.5" Universal Hot Pad Heater