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🚗 Seal the deal fast—never let a leak slow your hustle!
K-Seal is a professional-grade, easy-to-use liquid sealant that permanently repairs leaks in water-cooled engines, including radiators, head gaskets, and freeze plugs. Compatible with all antifreeze types and engines up to 12 cylinders, it requires no draining or flushing—just shake, pour, and drive. Trusted by mechanics worldwide and independently verified to ASTM D3147 standards, K-Seal offers a fast, durable, and cost-effective solution to keep your engine cooling system leak-free.
| ASIN | B001QT9KO6 |
| Best Sellers Rank | 1,884 in Automotive ( See Top 100 in Automotive ) 27 in Fillers, Adhesives & Sealants |
| Brand | K-Seal |
| Colour | clear |
| Compatible Material | Alloy Steel, Aluminium, Brass, Copper, Engineered Wood, Fibreglass, Polyvinyl Chloride, Stainless Steel, Plastic |
| Customer Reviews | 4.4 out of 5 stars 13,090 Reviews |
| Global Trade Identification Number | 05060002968017 |
| Item Dimensions | 8.9 x 3.8 x 11.4 centimetres |
| Item Form | Liquid |
| Item Weight | 0.26 Kilograms |
| Item dimensions L x W x H | 8.9 x 3.8 x 11.4 centimetres |
| Item weight | 0.26 Kilograms |
| Manufacturer | K-Seal |
| Manufacturer Part Number | ST5501 |
| Material | Synthetic Resin |
| Model Number | ST5501 |
| Number of Items | 1 |
| Style | Compact |
| Style Name | Compact |
| Supported Standards | ASTM D3147 |
| Surface Recommendation | Vent, Countertop, Sink, Wall |
| UPC | 367157659506 812646010004 |
| Unit Count | 236.0 millilitre(s) |
| Water Resistance Level | Water Resistant |
| Water resistance level | Water Resistant |
B**S
It genuinely works!
It’s amazing stuff. Sorted a mysterious coolant leak in minutes. First time since I got the car that I haven’t had to top up after a long journey. Seems to be a permanent fix too.
K**K
100% did the job
Fantastic product sorted out my radiator first time. Can't fault anything about this product. We'll recommended
M**Y
Car coolant leak
Good product helppul
S**N
Does what it says.brilliant product
Brilliant product
J**N
Actual long term solution for minor coolant leaks in hard to reach places
Put this in a Citroen DS3 1.6 vti a year ago as it had a small leak on the oil cooler. After a year the coolant has only started to drop again - ordered some more, better than removing the manifold etc!
S**N
SEals water well
Very Good
S**B
Not happy
Didn't worked as expected
T**E
Great value
Worked so goo, great value for the money
Trustpilot
2 weeks ago
2 weeks ago