

🚗💨 Keep your engine flawless and fuel efficient—because every start counts!
Iso-HEET Premium Fuel Line Antifreeze is a 12 fl. oz. powerhouse that absorbs up to 5 times more water than regular antifreeze, preventing freeze-ups and corrosion in all gasoline and diesel engines. Designed for year-round use, it enhances engine performance, improves gas mileage, and ensures fast, reliable starts even in extreme cold. Trusted by thousands, it’s the essential fuel system cleaner and water remover for professionals who demand peak vehicle performance.




| ASIN | B000V4HC7Y |
| Best Sellers Rank | #2,332 in Automotive ( See Top 100 in Automotive ) #17 in Antifreezes & Coolants |
| Brand | Heet |
| Brand Name | Heet |
| Customer Reviews | 4.7 out of 5 stars 3,199 Reviews |
| 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 |
| Item dimensions L x W x H | 8.35 x 3.25 x 2.2 inches |
| Manufacturer | Gold Eagle Co. |
| Manufacturer Warranty Description | 1 Year Limited |
| Material | Plastic |
| 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 |
M**T
Keeps car running.
This is good works fine in cold weather. Was 17 below & the van started right away,
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!
D**S
Does the job!!
Had water in my motorcycle gas tank from a low grade station. I use this and problem solved!!
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.
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
Service
Good product !!!
C**R
Works great for those cold temps!
Use this every year for the cold temperatures, it works great and easy to use.
P**N
This really works for removing condesation from your gas tank and helps to keep your injectors clean
great stuff no leakage easy to put into gas tank size of bottle is great for a full tank of gas and continues to work for quite some time.
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