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Scientifically formulated to permanently seal coolant leaks that are the cause of most overheating problems. Liquid Aluminum is part of the next generation stop leak line which not only seal leaks, but also conditions the system. Contains Xtreme Cool™ which stops overheating and reduces water temperature.
Item #:
13843115
Bars Leaks Liquid Aluminum Radiator & Heater Core Stop Leak Antifreeze & Coolant, 16.9 oz
Item #:
13843115
€ 22
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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Imported from USA store
QTY:
Order now and get it around Sunday, August 23
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Scientifically formulated to permanently seal coolant leaks that are the cause of most overheating problems. Liquid Aluminum is part of the next generation stop leak line which not only seal leaks, but also conditions the system. Contains Xtreme Cool™ which stops overheating and reduces water temperature.
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What Stands Out
Fast-Acting Formula
Quickly seals leaks in radiators and heater cores, providing immediate relief to overheating issues without draining the system.
Versatile Use
Compatible with all types of antifreeze and coolant, making it suitable for a wide range of vehicles, ensuring convenience for drivers.
Durable Seal
Forms a robust, permanent seal that withstands high temperatures and pressures, enhancing the longevity of your vehicle's cooling system.
Product Details
- Scientifically formulated to permanently seal coolant leaks
- Conditions the system and reduces water temperature
- Seals leaks in plastic, aluminum, and metal radiators, heater cores, gaskets, and freeze plugs
- Compatible with all types of coolant
- No draining required, safe and easy to use
- Caution: Avoid contact with eyes and keep out of reach of children
| Package Weight | 1.5 Pound |
Who Should Buy?
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Older Vehicles
Ideal for older cars with minor leaks in radiators or heater cores, offering a quick fix without extensive repairs.
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Emergency Repairs
Useful for urgent situations where a temporary solution to coolant leaks is needed to prevent overheating.
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DIY Mechanics
Great for home mechanics looking to save costs on repairs while effectively sealing minor leaks in cooling systems.
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Severe Leaks
Ineffective for large or severe leaks that require professional repair or replacement of components in the cooling system.
Product Description
Bars Leaks Liquid Aluminum Radiator & Heater Core Stop Leak Antifreeze & Coolant, 16.9 oz
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Customer Questions & Answers
-
Question:
Is it safe to use with all types of antifreeze and extended life coolant?
Answer: Yes, it works with ALL types of traditional or extended life coolant including silicate based & non-silicate based (OAT/HOAT) 50-50 mix antifreeze, and/or water. -
Question:
Does it require draining the cooling system?
Answer: No, it will not harm the cooling system, and no draining is required. -
Question:
What should I do in case of contact with eyes?
Answer: In case of eye contact, flush immediately with water for at least 15 minutes and seek medical attention.
Bar's Leaks Coolant Stop Leak Editorial Review
Bars Leaks Liquid Aluminum Radiator & Heater Core Stop Leak is a reliable solution for both radiator and heater core leaks. Customers have reported excellent results with this product, which has saved them hundreds of dollars on repair bills. The stop leak can be used to seal slow coolant leaks effectively and quickly. However, it is essential to ensure that the coolant is free from rust, or it may lead to clogs and create additional problems.
Customer Reviews & Ratings
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Pros
- Highly effective on slow coolant leaks
- Can save hundreds of dollars on expensive repair bills
- Works on all kinds of cars
Cons
- Should not be used with rusted coolants, which may cause clogs.
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
K
kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer
“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 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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€ 22
Order now and get it around Sunday, August 23
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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Features & Benefits
- Scientifically formulated to permanently seal coolant leaks
- Conditions the system
- Contains Xtreme Cool™ which stops overheating and reduces water temperature
- Seals leaks in plastic, aluminum, and metal radiators, heater cores, gaskets, and freeze plugs
- Does not harm the cooling system and no draining is required
- Works with traditional or extended life coolant including silicate based & non-silicate based antifreeze and water
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