Zerostart Custom Fit Engine Block Heater - Frost Plug Style - 120V - 400 Watts
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2004 Toyota Highlander
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2004 Toyota Highlander
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Cold mornings don't have to mean sluggish starts and long idles. This custom fit block heater warms the coolant so your engine fires up smooth and reaches operating temperature quicker. Hit the road faster knowing your engine is ready to work.
On icy mornings, even the toughest engine can crank slow and sound weak. Cold metal parts grind dry, and thick oil makes your starter work overtime. This Zerostart block heater pre-warms the coolant so your engine turns over quick, runs smoother right away, and avoids the wear that shortens engine life.
Universal heaters can be a headache because they often require slight modification, but this one is made for your vehicle's engine. It installs in the frost plug, the exact spot designed for heat transfer. That means no trial and error or modifying parts to fit, just a clean install that works the way it should.
Rated at 400 watts at 120 volts, this heater delivers steady warmth through your coolant. That extra heat not only makes starts more reliable, it also helps your engine reach operating temperature faster so you can hit the road without a long idle.
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Ratings & Reviews
I tested out the Zerostart engine block heater, and I like how well it’s designed for cold-weather starts. I was impressed by how solid the build is and how quickly it helps warm the engine. What really stood out to me is that Phillips & Temro actually test fit their heaters and work directly with OEMs to make sure every unit fits and performs the way it should. They’ve got a full engineering team and a cold room big enough to fit a semi-truck, where they test products down to –40°F. It’s a well-engineered heater that’s tested to fit, and that kind of quality control gives me a lot more confidence compared to other brands, like KAT’s, that don’t go through the same level of development. It’s a reliable heater that does exactly what you need when the temperature drops.
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