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🚗💨 Keep your engine flawless, no matter the season!
Heet Iso-HEET is a premium 12 fl. oz. fuel line antifreeze and water remover that absorbs up to 5 times more water than regular products. Designed for year-round use in all gasoline and diesel engines, it prevents freeze-up, rust, and corrosion while improving gas mileage and engine performance. Trusted by thousands for fast, reliable starts in any weather.




| ASIN | B000V4HC7Y |
| Best Sellers Rank | #2,823 in Automotive ( See Top 100 in Automotive ) #16 in Antifreezes & Coolants |
| Brand Name | Heet |
| Customer Reviews | 4.7 4.7 out of 5 stars (3,255) |
| Exterior Finish | Plastic |
| Global Trade Identification Number | 00073905282024 |
| Included Components | Iso-heet Premium Fuel Line Antifreeze Bottle |
| Inlet Connection Size | 2.2 Inches |
| Inlet Connection Type | Compression |
| Item Dimensions | 8.35 x 3.25 x 2.2 inches |
| Item Type Name | ISO Heet Anti-freeze |
| Item Weight | 2.4 ounces |
| Manufacturer | Gold Eagle Co. |
| Manufacturer Part Number | 770-196 |
| Manufacturer Warranty Description | 1 Year Limited |
| Material Type | Plastic |
| Model Number | 770-196 |
| Number of Ports | 1 |
| Outlet Connection Size | 2.2 Inches |
| Outlet Connection Type | Pour |
| Size | 12 Ounce |
| Thread Size | 2.2 inches |
| Thread Type | Standard bottle thread |
| UPC | 073905282024 |
| Unit Count | 12.0 Fluid Ounces |
| Valve Type | check valve |
T**O
Excellent product it’s magic, I love it
This product is unbelievable efficient
S**M
A Must-Have for Improved Engine Performance and Gas Mileage!
I recently tried **Iso-HEET Water Remover and Premium Fuel Line Antifreeze** and I’m very impressed with the results! I added it to my gas tank as directed, and I immediately noticed a smoother engine performance. My engine starts up more easily, even in cold weather, and it runs much more efficiently overall. I especially love how it helps to remove water from the fuel line, preventing any potential issues with fuel system freezing or corrosion. I’ve also noticed an improvement in my gas mileage. It feels like I’m getting more miles per gallon, which is a great bonus. The **Injector Cleaner** aspect is another huge plus—my car runs cleaner and more efficiently after using this product. At 12 fl. oz., the bottle is the perfect size for multiple uses and gives great value for the price. I highly recommend this product to anyone looking to improve their vehicle’s performance and extend its longevity. Definitely a great addition to my car care routine!
M**T
Keeps car running.
This is good works fine in cold weather. Was 17 below & the van started right away,
G**H
Worth It
Always have a few on hand for the winter as prep for freezing temps. I always make sure my kids have bottles in their cars and use them.
D**S
Does the job!!
Had water in my motorcycle gas tank from a low grade station. I use this and problem solved!!
I**N
Heet iso heet water
I've use this to treat gas in generator, lawn tractor, even my vehicle never had water in my fuel. Good product.
A**R
Excellent product
Excellent product i have been using this product for over 30 years and I have never had a fuel related issue i highly recommend
A**A
Good!
I use this for cooking on my alcohol stove. Perfect! It does get a lot of soot on my pits but it wipes right off and I prefer to burn this to the other bottle which produces methanol —yuk! Thank you for the quick ship and a good product! I buy this all the time for my alcohol stove and works great! Great value. Sometimes the bottle will leak a bit once the seal is broken so I try to keep it upright after opening. Not leaking at all would be optimal but I haven’t found it any kind of terrible leak. Good product. Good value. Highly recommend for alcohol stoves —but bring some wipes to clean the spot after and don’t touch the pan to your clothes or hands or they’ll be black —but it’s not because it’s a bad product —it’s just the nature of burning it. Lights easily, blows out quickly with a good alcohol burner (I’m using a Triangia with a fire regulator cap attached). This is my go-to fuel.
A**.
Very good
Trustpilot
4 days ago
1 week ago