0 ratings
Item #:
116392172
Hi-Gear Insta-Seal Permanent Block Sealer Radiator Seal
75% of respondents would recommend this to a friend
Item #:
116392172
€ 29
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
0 ratings
Write a review
In stock
Imported from USA store
QTY:
Order now and get it around Tuesday, October 06
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.
Our Top Logistics Partners
INSTA-SEAL is a permanent block and head sealer formulated with ceramic fibers and copper to seal all cracks and holes.
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Permanent Solution
Hi-Gear Insta-Seal offers a permanent fix for radiator leaks, ensuring long-lasting protection and minimizing the need for costly repairs.
Easy Application
Designed for convenience, this block sealer is simple to use, allowing car owners to quickly resolve leaks without professional assistance.
Versatile Compatibility
Compatible with all types of radiators, including metal and plastic, making it an ideal choice for various vehicle models and enhancing market reach.
Product Details
| Brand | Hi-Gear |
| Manufacturer Part Number | HG9048s |
| Country of Origin | United States |
| UPC | 009603190484 |
| Item Weight | 1 lbs (450 grams) |
Who Should Buy?
-
Aging Vehicles
Ideal for older cars with minor radiator leaks who need a quick and effective sealing solution.
-
Budget-Conscious Owners
Great for those looking to save on expensive radiator repairs or replacements with a cost-effective sealing option.
-
DIY Mechanics
Suitable for individuals who prefer do-it-yourself solutions for minor cooling system issues without professional help.
-
Severe Leaks
Not effective for large or severe leaks that require professional attention or complete radiator replacement.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
Is INSTA-SEAL safe for my engine?
Answer: Yes, it is safe for all gasoline and diesel engines and will not void any manufacturer’s warranty. -
Question:
Do I need to drain my cooling system before using INSTA-SEAL?
Answer: No, there is no need to drain the cooling system prior to use. -
Question:
What is the return policy for INSTA-SEAL?
Answer: You can return it unopened within 30 days for a full refund.
hi-gear Editorial Review
### Editorial Review of Hi-Gear Insta-Seal Permanent Block Sealer Radiator Seal The Hi-Gear Insta-Seal Permanent Block Sealer has garnered attention for its efficacy in addressing coolant leaks and enhancing radiator performance. Customers have reported positive experiences with its application, particularly highlighting its ability to quickly seal cracks and prevent antifreeze from escaping. Many users appreciated how straightforward the application process is, allowing even those with limited mechanical knowledge to utilize the product effectively. Feedback indicates that the sealant works well across various vehicle types, including older models that are prone to leaks due to age and wear. Users often noted a noticeable improvement shortly after application, with reports of reduced leaks and enhanced engine performance. The formula appears to bond effectively with metal surfaces, providing a lasting solution that has exceeded customer expectations. However, some users have expressed that while the product works effectively in many cases, it is not a catch-all solution for every type of leak. A few reviews mentioned that in certain extreme leak situations, the sealant may not hold indefinitely, emphasizing that major radiator repairs should not be neglected in favor of this product where there's significant damage. Overall, the Hi-Gear Insta-Seal offers a practical and efficient solution for minor coolant leaks and has been well-received by customers seeking a quick fix for their radiator issues. ### Pros and Cons **
Customer Reviews & Ratings
1 customers ratings
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Pros
- Effective in sealing minor coolant leaks
- Easy application process
- Works well with various vehicle types
- Improves engine performance after application
- Provides a lasting solution for small cracks
Cons
- May not be effective for extreme leak situations
Platform Trust & Buyer Confidence
JK
Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
AG
Anke
Verified buyer
“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
H
Hazel
Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
O
Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
AC
Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
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.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
€ 29
Order now and get it around Tuesday, October 06
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.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- Seals large and small leaks in radiators, blocks, and heads permanently.
- Compatible with all types of antifreeze and coolants.
- Easy to use without draining the cooling system.
- Safe for both gasoline and diesel engines, maintaining manufacturer’s warranty.
- Fast-acting formulation with ceramic micro-fibers and copper for a thorough seal.
- Satisfaction guaranteed with a full refund policy within 30 days.
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.