Zerostart 3400085 Silicone Pad Heater Engine Oil, Transmission Fluid, Reservoir and Hydraulic Fluid Heater, 6\ (15 cm) x 10¾\ (27 cm) | CSA Approved | 240 Volts | 1000 Watts
- Most efficient and reliable way to pre-heat engine block. Operates by being directly submerged into coolant and heating the block. Applications are specific to part numbers. Also referred to as freeze plug heaters or block heaters. Installation requires mechanical ability..