Amazon: Zerostart 3400037 (Wolverine Model FH-100 Jan 07, 2019Fuel filter heaters help solve the problem by heating the diesel or biofuel at the filter, eliminating gelling in cold temperatures. Apply filter wrap directly on the filter and preheat 15-30 minutes prior to engine start to prevent filter clogging and keep fuel flowing.4.6/5(3)Price: $77Brand: Zerostart Fuel filter heater wrap | Arctic Fox Fuel filter heater wrap. Our electrical fuel filter heater wrap is a perfect way to provide heat to the filter core, before starting the engine. This ensures the diesel going through the filter is fully liquid and won’t clog the filter. We specifically designed the fuel filter heater wrap with off-road vehicles in mind.