This cartridge heater clips into the cavity of your engine block and transfers heat through the block to help warm engine fluids resulting in easier start-ups, faster heating of your cab, and less wear and tear on your vehicle in cold weather.

Keep backseat passengers warm and cozy with this compact, 300-watt heater. Bolt the unit to the floor of your Jeep or other off-road vehicle and wire it into any 12V power source, and it will radiate heat throughout your vehicle.

This cartridge heater clips into the cavity of your engine block and submerges in the coolant to keep engine fluids from thickening. Results in easier start-ups, faster heating of your cab, and less wear and tear on your vehicle in cold weather.

This cartridge heater clips into the cavity of your engine block and submerges in the coolant to keep engine fluids from thickening. Results in easier start-ups, faster heating of your cab, and less wear and tear on your vehicle in cold weather.

This frost-plug heater replaces the frost plug in your engine block and submerges in the coolant to keep engine fluids from thickening. Results in easier start-ups, faster heating of your cab, and less wear and tear on your vehicle in cold weather.

This frost-plug heater replaces the frost plug in your engine block and submerges in the coolant to keep engine fluids from thickening. Results in easier start-ups, faster heating of your cab, and less wear and tear on your vehicle in cold weather.

This frost-plug heater replaces the frost plug in your engine block and submerges in the coolant to keep engine fluids from thickening. Results in easier start-ups, faster heating of your cab, and less wear and tear on your vehicle in cold weather.

This frost-plug heater replaces the frost plug in your engine block and submerges in the coolant to keep engine fluids from thickening. Results in easier start-ups, faster heating of your cab, and less wear and tear on your vehicle in cold weather.

This cartridge heater clips into the cavity of your engine block and produces heat keep engine fluids from thickening. Results in easier start-ups, faster heating of your cab, and less wear and tear on your vehicle in cold weather.

Mount this heater in your car, truck, boat, or RV to get extra heat in the cold. Plugs easily into a 12-volt accessory outlet.

This frost-plug heater replaces the frost plug in your engine block and submerges in the coolant to keep engine fluids from thickening. Results in easier start-ups, faster heating of your cab, and less wear and tear on your vehicle in cold weather.

This frost-plug heater replaces the frost plug in your engine block and submerges in the coolant to keep engine fluids from thickening. Results in easier start-ups, faster heating of your cab, and less wear and tear on your vehicle in cold weather.

This frost-plug heater replaces the frost plug in your engine block and submerges in the coolant to keep engine fluids from thickening. Results in easier start-ups, faster heating of your cab, and less wear and tear on your vehicle in cold weather.

Wrap this 72" long heater around your vehicle's battery to maintain its charge and to ensure that your engine turns over in the winter. Plugs into 125-volt outlet. Vinyl cover resists oil and acid.

Designed for coolant systems with up to an 18-qt capacity, this external tank heater circulates warm fluid to your engine block, heater core, and radiator in the cold. Allows cab to heat up faster, creates easier start-ups, and prevents frozen hoses.

Place this flexible heating pad under your vehicle's battery in the winter to maintain its charge and to ensure that your engine turns over. Measures 8-1/2" long x 5-1/2" wide. Plugs into a NEMA 6-15 (15 amp) 240-volt outlet.

This frost-plug heater replaces the frost plug in your engine block and submerges in the coolant to keep engine fluids from thickening. Results in easier start-ups, faster heating of your cab, and less wear and tear on your vehicle in cold weather.

Heat up your car, truck, boat, or RV with this compact heater. Designed to mount on your dash or beneath your console. Plugs easily into a 12-volt accessory outlet.

This frost-plug heater replaces the frost plug in your engine block and submerges in the coolant to keep engine fluids from thickening. Results in easier start-ups, faster heating of your cab, and less wear and tear on your vehicle in cold weather.

This frost-plug heater replaces the frost plug in your engine block and submerges in the coolant to keep engine fluids from thickening. Results in easier start-ups, faster heating of your cab, and less wear and tear on your vehicle in cold weather.

This frost-plug heater replaces the frost plug in your engine block and submerges in the coolant to keep engine fluids from thickening. Results in easier start-ups, faster heating of your cab, and less wear and tear on your vehicle in cold weather.

This frost-plug heater replaces the frost plug in your engine block and submerges in the coolant to keep engine fluids from thickening. Results in easier start-ups, faster heating of your cab, and less wear and tear on your vehicle in cold weather.

This frost-plug heater replaces the frost plug in your engine block and submerges in the coolant to keep engine fluids from thickening. Results in easier start-ups, faster heating of your cab, and less wear and tear on your vehicle in cold weather.

Designed for coolant systems with a 16- to 25-qt capacity, this external tank heater circulates warm fluid to your engine block, heater core, and radiator in the cold. Allows cab to heat up faster, creates easier start-ups, and prevents frozen hoses.