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  1. Vehicle Heaters
  2. Kats Heaters
  3. Engine Block Heater
  4. Frost Plug Style
  5. 400 Watts
  6. CSA Approved
THIS ITEM IS NOT A FIT FOR
2010 Dodge Caliber
Kats Heaters

Kat's Heaters Custom Engine Block Heater - Threaded Immersion - 120V - 400 Watts - 3/4" NPT

Part Number: KH11409
147 Reviews | 41 Questions
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$57.17
Retail:$66.30
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2010 Dodge Caliber

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Cold weather can make starting your engine harder. This 400W threaded immersion heater screws into a 3/4" NPT opening to warm the coolant before startup, making starts easier, reducing engine wear, and warming up your vehicle sooner. Great Prices for the best vehicle heaters from Kats Heaters. Kat's Heaters Custom Engine Block Heater - Threaded Immersion - 120V - 400 Watts - 3/4" NPT part number KH11409 can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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Kats Heaters Vehicle Heaters - KH11409

  • Engine Block Heater
  • Frost Plug Style
  • 400 Watts
  • Kats Heaters
  • CSA Approved

Cold weather can make starting your engine harder. This 400W threaded immersion heater screws into a 3/4" NPT opening to warm the coolant before startup, making starts easier, reducing engine wear, and warming up your vehicle sooner.


Features:

  • Ensures smoother start-ups and faster heating and defrosting of your cab
    • Threads into a designated opening in the engine block, with the heating element submerged in coolant
  • Warms engine fluid to increase lubrication and performance
    • Keeps fluid from thickening and protects against damage in cold weather
  • Pre-heats engine to reduce condensation in the engine block
    • Emits less pollution and fewer gas emissions
  • Includes removable power cord
    • Route through your grille and plug into standard 120-volt AC outlet
  • Constructed of durable copper
  • Custom fit for your vehicle
  • CSA approved
  • Made in the USA


Specs:

  • Thread size: 3/4" NPT
  • Heating element length: 1-1/2"
  • Wattage: 400 watts
  • Amperage: 3.3 amps
  • 1-Year limited warranty


Inch and a half heating element

Notes:

  • Do not use this heater with a 100-percent antifreeze solution.
  • Do not start your engine with the heater plugged in.

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.



11409 Kat's Heaters Custom-Fit Engine Block Heater - Threaded Immersion Heater - Freeze Plug - Removable Power Cord - 120 Volts - 400 Watts



This Product Fits The Following Vehicles






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Customer Satisfaction Score:

Ratings & Reviews

4.4

147 reviews
5 Stars
(112)
4 Stars
(13)
3 Stars
(7)
2 Stars
(1)
1 Star
(14)
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by:
I haven’t installed it yet, however I hope the performance is better than the installation instructions. The newest vehicle listed on the instructions are 9 almost 10 years old. The instructions want you to refer to the vehicle listed but it is nowhere in date.
by:
2015 Ford F-250 Super Duty
Muy buen servicio de envio
by:
excellent for farm tractors; use on perkins diesels ,and simpson diesels; just installed and is working fine! a good one should last 20 years; the one I replaced (for a tractor from a tractor supply house lasted less than 2 YEARS, the one before had gone the 20 years) your block heater has a heavy duty cord and the threaded cuff lock down nut on the sender was an all time first for me, thanks. To use this kit 11409 your must already have the block bushing or the bushing for a block heater for this kit will be # 11461b and about $7.00. Noticed your were in SPRINGFIELD TN; I farm in Tn and Ky. good for you. thanks again. TERRY FITZPATRICK, Austin, Ky
Terry F. profile picture

Terry F.

1/10/2020

EXCELLENT1

by:
2012 Ford Escape
Great product but took to long to get had to go purchase another one as temps were -35 c so no choice n
by:
I just received this block heater today and have not installed it yet but it looks real simple. etrailer.com was a great price and fast shipping
Kevin profile picture

Kevin

3/6/2019

It was simple to install once I figured out how to drain the coolant from my 2016 Ford Edge. Had to remove a few vacuum lines in order to get my arm into the correct angle to thread it into the block. Works great. Far better than the $400 that Ford parts wanted for their kit.

by:
Great item, works really well and saved me $300 by not going to the dealer, Thank you!
by:
This product works perfectly! It was installed on a 2006 Ford Escape XLT. I had a dealership install the heater. Living in the Midwest, on mornings below 10 degrees, I can definitely tell a difference in the car starting. The heat was slightly warm immediately after starting the car. This heater was used everyday for four months in the middle of winter in ND. The car was parked outside all winter and was plugged in all night. No issues! I would highly recommend this product.
by:
2016 Mazda 6
This product appears well made and durable. Perfect fit with no leaks. Its 400W capacity is less than some freeze plug heaters, but it does warm the engine well. Good price and fast shipping. Overall rating excellent.
by:
This worked perfectly. It wasn’t made for the tractor I put it on, so I had to fabricate an adapter and then all I had to do was plug it in. About 30 minutes after plugging it in and the engine will start in the coldest weather. Great product and great service from etrailer.
by:
2014 Mazda 3
Haven't installed this block heater yet, as it just came yesterday. It looks to be of great quality however, and I have a Kat's block heater in another vehicle that has worked great for years. I anticipate this one will as well.
Richard profile picture

Richard

1/25/2019

After 1 year, heater is still working great!

by:
Product was great, came as described. Easy to install. Cord was longer than original so it didn't need an extension , so that was perfect.
by:
A1. courteous, helpful, fast.
by:
It fitted good in the existing plug of the block heater.
Marv. profile picture

Marv.

2/27/2022

It worked out good just needed the cord to replace the one that never came with. it worked out good.

by:
Ordered 2 of these for the twin 5.9 Cummins engines in our boat. Installed them into a 3/4" NPT fitting in the head of each motor. Work great so far, keeps the motors just under 100 degrees. Makes starting much easier and almost no smoke out of either engine.
by:
2010 Ford Escape
This was a great quality frost plug but unfortunately I bought the wrong one, never ended up using it. Sold the vehicle and bought a different block heater for my new car.
by:
Great product.......easy install and no more cold starts.
by:
2014 Ford Focus
Great customer service!
by:
This part came and I was not told it was repackaged and sold as new. When I went to install it the wrench marks and thread marks were off. I tested it and could not find continuity so it was broken inside. Alas, when I reached out I was told it was too far out of date to ask for a new one. Granted it was a month or two after.
by:
It fit just right
Louis profile picture

Louis

10/12/2018

Thank yo u stretching is just fine

by:
Works great. Much better than letting it idle for long periods of time.
by:
They were all JUNK! Every single one failed on its 1st or 2nd use! Total crap!
Katrina D. profile picture
Etrailer Expert

Katrina D.

7/9/2024

I am sorry to hear that. Luckily this has a one year warranty. Let me get a replacement sent out and hopefully this is not the case with the new one.

by:
Fits the application perfectly & priced right.
by:
2025 Mazda CX-5
by:
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