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Item #:
21173784
4 of a st5516 k-seal hd permanent coolant leak repair kseal solv-tec Head Gasket
Item #:
21173784
TTD 1163
Price Details
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*All items will import from US
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Imported from USA store
Order now and get it around Thursday, July 16
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K-Seal Heavy Duty One Step Permanent Coolant Leak Repair can help keep commercial vehicles on the road instead of stuck in the workshop losing money.
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What Stands Out
Permanent Solution
K-Seal HD provides a reliable, long-lasting fix for coolant leaks, ensuring your engine remains protected without the need for expensive repairs or frequent applications.
Advanced Formula
Utilizing Solv-Tec technology, K-Seal HD effectively seals head gaskets and leaks in various cooling systems, outperforming competitors with its powerful, easy-to-use design.
Versatile Application
Compatible with all types of water-cooled engines, K-Seal HD works seamlessly in automobiles, motorcycles, and more, making it a versatile choice for various users facing coolant issues.
Product Details
| Part Brand | Solv-Tec |
| Manufacturer Part Number | st5516 |
| Brand | K-Seal |
| Country of Origin | United States |
| Item Weight | 1 lbs (450 grams) |
Who Should Buy?
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Home Mechanics
Ideal for DIY enthusiasts fixing minor coolant leaks without needing professional assistance or expensive repairs.
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Older Vehicles
Best suited for older cars prone to leaks, extending their life at a lower cost than traditional repairs.
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Temporary Solutions
Useful for those needing quick, temporary fixes before facilitating a more permanent repair at a later time.
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Severe Damage
Not effective on vehicles with serious head gasket failures requiring extensive mechanical repairs and replacements.
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Newer Vehicles
Modern cars with complex engines may not benefit from a quick fix, demanding thorough diagnostic repairs.
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Professional Usage
Not recommended for professional mechanics as it may undermine the integrity of a repair with potential long-term implications.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
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Question:
How quickly will K-Seal work?
Answer: The radiator leak will be sealed within a few minutes once the engine reaches the appropriate temperature. -
Question:
Can K-Seal be used with any type of engine?
Answer: Yes, K-Seal is suitable for use with all water-cooled engines. -
Question:
How do I apply K-Seal?
Answer: Shake the bottle for 30 seconds, pour into the radiator or overflow tank, and allow time for it to enter the system.
k-seal Editorial Review
**** The K-Seal HD Permanent Coolant Leak Repair product has received mixed reviews from customers who have put it to the test in various automotive situations. A notable aspect of this product is its ease of use; users appreciate the straightforward application process, which involves shaking the bottle and pouring it into the cooling system. Successful applications highlight its effectiveness, with several users reporting that it successfully sealed leaks in both head gaskets and radiators. In particular, one user noted a significant improvement with their semi radiator, experiencing no coolant loss shortly after application. Others echoed this sentiment, mentioning that the product has shown notable longevity, with some leaks remaining sealed for an entire month or more after treatment. However, there are also instances where users found that K-Seal did not effectively address their issues. One user specifically reported failure when trying it on a Detroit 8.2 diesel engine with a bad head gasket. This variation in results suggests that while K-Seal can be effective for some, it may not work for every type of leak or situation. Overall, K-Seal HD presents a viable option for those facing minor leaks, especially in radiators. Nevertheless, potential buyers should be aware that results can vary significantly based on the severity and nature of the leak. **
Customer Reviews & Ratings
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Pros
- Easy to use application process
- Effective for some users at sealing head gasket and radiator leaks
- Reports of long-lasting results in certain cases
Cons
- Mixed results; not effective for all users or types of leaks
Platform Trust & Buyer Confidence
MT
Mohd
Verified buyer
“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
SJ
Shawati
Verified buyer
“Accurate delivery timing given”
16 June 2026 · via Trustpilot
YB
Youcef
Verified buyer
“Not madly expensive like I thought, and much quicker than promised.”
15 June 2026 · via Trustpilot
LM
Leila
Verified buyer
“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”
6/7/2026 · via Trustpilot
KA
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 1163
Order now and get it around Thursday, July 16
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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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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Features & Benefits
- Prevent costly downtime with K-Seal HD.
- Ideal for all water-cooled engines like trucks and buses.
- One 16oz bottle repairs cooling systems up to 50 quarts.
- Seals leaks in head gaskets, blocks, radiators, and more.
- Simple application - just shake, pour, and go!
- Compatible with all types of antifreeze.