Curated picks
Engine Block Heaters
A cold-weather heater that warms the engine for easier starts
An engine block heater warms the engine coolant or oil in very cold weather so the engine starts more easily and warms up faster. It is plugged into a wall outlet for a while before you drive, often on a timer overnight. It is valuable for anyone in harsh winter climates where freezing temperatures make cold starts hard on the engine.
We round up options on Amazon so you can compare freeze-plug heaters, in-line coolant heaters, magnetic styles, and oil pan heaters. Look for the type that suits your vehicle, the wattage, and a cord with a grounded plug. Because installation and wiring vary, follow the product instructions and consult a professional if needed.
Top picks
Popular engine block heaters
What to look for
- Heater type suits your engine
- Wattage and voltage rating
- Grounded cord and plug
- Quality thermostat if included
- Clear fitting instructions
FAQ
How long should I plug it in?
Is it hard to install?
Will it help fuel economy?
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