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Cold weather can make starting your engine harder. This 400W threaded immersion heater screws into a 1-1/4" NPT opening to warm the coolant before startup, making starts easier, reducing engine wear, and warming up your vehicle sooner.
Features:
Specs:
Notes:
Start your engine easier and warm your cab faster in cold weather with this frost-plug-style engine block heater. Heating your engine coolant keeps it from thickening and freezing, resulting in more reliable start-ups and smoother operation altogether. It also lessens the workload and extends the life of your vehicle's battery. And because starting your engine when it's warm creates less condensation in the engine block than starting it when it's cold, your engine will get better initial fuel vaporization, which causes fewer emissions and less pollution.
This frost-plug heater replaces the core plug in your engine block. The power cord on the heater is removable so that you won't need to buy a whole new heater if the cord gets damaged. The cord can be routed through your grille for easy access to a 120-volt outlet or extension cord. If needed, a longer or shorter cord (sold separately) can be purchased to better fit your application. Make sure the heating element is fully submerged in the coolant before plugging it in.
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Speaker 1: Today we're taking a look at the Kat's Heaters custom engine block heater. This unit's designed to ensure smoother startups and faster heating and defrosting of your cab. It simply replaces the frost plug or the core plug in the engine block, and it is designed to submerge in coolant.It warms engine fluid, which increases lubrication and performance. That is specifically designed to really keep the fluid from thickening, and it also protects against damage in colder weather.It's also going to preheat the engine to reduce condensation in the engine block, which emits less pollution and fewer gas emissions. It does come with the removable power cords so that way if the power cord is ever damaged, you don't have to replace the entire unit. You just need to replace the power cord.You can simply route through the grill of your vehicle and then plug it into a standard 120-volt AC outlet.
It's constructed of corrosion-resistant materials, and it is custom-fit for your vehicle. It's CSA approved. It's made in the USA. When it comes to the wattage, we're looking at 400 watts, and the amperage is 3.3 amps.That's going to do it for today's look at the Kat's Heaters custom engine block heater.
Customer Satisfaction Score:
89% were satisfied with this product
11% of customers were not satisfied
Ratings & Reviews
Thomas
2/14/2025
Still working well
Robin H.
2/16/2025
Gwendolyn Y.
2/26/2025
Hey Russell. Thanks for taking the time to share this feedback. We don't have a way to track these types of applications so I know it will be helpful to someone else along the way!
Russell
2/24/2026
its bben a god send -just worked out as i needed it to . in fact dodge diesel changed one and added to for industrial in 75 bobcat now about 1.5 hours and it starts right up even at -10 sitting for a week -yahooooo in michigan
Gwendolyn Y.
2/5/2026
Glad the heating is working out and keeping your engine warm in the winter. I'll let Adam know that you got everything and make sure he gets that shout out!
Lazer S.
11/18/2025
Glad we could help, Chad! Let us know if there is anything else you need! ^___^ Out of curiosity, where are you located? We get orders for these fairly often, but it's always something I want to ask people.
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Db
3/10/2020
It’s been a year and it is working as advertised. I teamed it up with a smart switch from Kasa that lets me turn it on from an app on my phone and I give it a half hour or so and go out and the tractor starts right up.