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Item #:
104192504
K-Seal ST5516 Permanent Coolant Leak Repair 16oz.
Item #:
104192504
TTD 307
Price Details
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*All items will import from US
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Imported from USA store
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Order now and get it around Friday, July 10
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Just shake, pour and go - Permanently seals cracks and leaks in your cooling system.
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What Stands Out
Permanent Solution
K-Seal provides a long-lasting fix for leaks in cooling systems, preventing the need for frequent repairs or replacements, ensuring peace of mind for vehicle owners.
Easy Application
The 16oz bottle allows for simple pouring directly into the cooling system, eliminating complex repair processes and reducing time spent on vehicle maintenance.
Universal Compatibility
K-Seal is designed to work with all types of engines and cooling systems, making it an ideal choice for a wide range of vehicles, enhancing its value and usability.
Product Details
| Brand | K-Seal |
| Rec. use | Automotive |
| Color | Blue |
| Features | Prevent Leaks |
| Container type | Bottle |
| Manufacturer | SOLV-TEC CHEMICALS |
| Size | 16 oz |
| Product net content uom | Fluid Ounce |
| Product net content parent | 16 Fluid Ounces |
| Is bulk | N |
| Has written warranty | No |
| Weight | 1.6 oz (45.36 grams) |
| Model | ST5516 |
Who Should Buy?
-
Quick Fix Solutions
Ideal for users needing a rapid repair to stop coolant leaks without draining the cooling system.
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Older Vehicles
Great for owners of older cars that often develop coolant leaks and require affordable, easy fixes.
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Emergency Repair
Perfect for roadside emergencies, providing an immediate solution to prevent overheating until a professional repair.
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Major Engine Issues
Not suitable for users with severe engine or cooling system damage that requires extensive repairs or replacement.
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Long-Term Solutions
Not advisable for those seeking a permanent solution; it's intended for quick fixes rather than lasting repairs.
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High-Performance Vehicles
May not be suitable for high-performance or specialized vehicles where OEM specifications and methods are critical.
Product Description
K-Seal ST5516 Permanent Coolant Leak Repair 16oz.
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
How do I use the product?
Answer: Simply shake the bottle, pour it into your cooling system, and you're done! -
Question:
Is it safe to use with all types of antifreeze?
Answer: Yes, this product mixes with all antifreeze types without causing issues. -
Question:
What if it doesn't seal my head gasket leak?
Answer: If the system is over-pressurized, follow the PDF guide for troubleshooting and successful repair.
K-Seal Coolant Stop Leak Editorial Review
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MT
Mohd
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“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
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Shawati
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“Accurate delivery timing given”
16 June 2026 · via Trustpilot
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Youcef
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“Not madly expensive like I thought, and much quicker than promised.”
15 June 2026 · via Trustpilot
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“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”
6/7/2026 · via Trustpilot
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Kwame
Verified buyer
“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 2026 · via Trustpilot
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Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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TTD 307
Order now and get it around Friday, July 10
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
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Fastest cross-border delivery
Features & Benefits
- Permanently seals leaks and cracks in various engine components.
- Compatible with all types of antifreeze, no need to drain or flush.
- Easy application: Just shake, pour, and go.
- Effective for radiator, head gasket, freeze plugs, and more.
- Treats cooling systems up to 20 quarts capacity.
- Essential for preventing over-pressurization issues in your engine.