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๐ Seal the deal, stop the leak, and drive worry-free!
Bar's Leaks 1186-6PK Liquid Aluminum Stop Leak is a scientifically advanced formula designed to permanently seal coolant leaks that cause engine overheating. Featuring Xtreme Coolโข technology, it reduces water temperature while conditioning the cooling system. Compatible with all types of traditional and extended life coolants, it safely seals leaks in plastic, aluminum, copper, and steel components without requiring system draining. This 6-pack of 16.9 oz bottles offers a reliable, no-fuss solution trusted by thousands of drivers to maintain optimal engine performance.

| ASIN | B00BYS6YLQ |
| Best Sellers Rank | #238,276 in Car & Motorbike ( See Top 100 in Car & Motorbike ) |
| Brand | Bar's Leaks |
| Brand Name | Bar's Leaks |
| Compatible Material | Aluminium |
| Customer Reviews | 4.3 out of 5 stars 3,649 Reviews |
| Global Trade Identification Number | 10046087011864 |
| Included Components | (6) Radiator and Heater Core Stop Leak |
| Item Dimensions | 6.6 x 6.6 x 18.8 Centimeters |
| Item Form | Liquid |
| Item Highlight | Safely and Easily Seal Leaks in Plastic, Aluminum and Metal Radiators, Heater Cores, Gaskets, Freeze Plugs, 16.9oz Bottles |
| Item Type Name | Liquid Aluminum Radiator and Heater Core Stop Leak. 6 Pack |
| Item Weight | 1.2 Pounds |
| Item dimensions L x W x H | 6.6 x 6.6 x 18.8 Centimeters |
| Manufacturer | Bar's Leaks |
| Manufacturer Part Number | 1186-6PK |
| Material | Aluminum |
| Material Type | Aluminum |
| Model | 1186-6PK |
| Number of Items | 6 |
| Number of Packs | 1 |
| Style | Liquid |
| Style Name | Liquid |
| Surface Recommendation | Miscellaneous |
| Unit Count | 101.4 Fluid Ounces |
| Warranty Description | No |
| Water Resistance Level | Not Water Resistant |
B**7
Bar's Leaks brand is a well known and well liked and used brand!
Followed directions on the bottle. I only used the recommended amount with water. Then just let my gf keep driving it to work, having her check the water before every drive to avoid cracking the block. First application of the stop leak kept water from leaking out for about 90 days, give or take. We've started losing water again a couple weeks ago. Bar's Leaks brand is a well known and well liked and used brand bc their products work about the best you can find. Worked for us to keep her daily commuter running for a while longer.
H**M
ู ู ุชุงุฒ
ุฌูุฏ
E**R
SI ME FUNCIONO!
SI ME FUNCIONO !! LO RECOMIENDO.
Z**R
Must Try.
Looks like it worked. No more leaks.
S**.
Very satisfied.
After 1 application, the leak in my rad was repaired. It did not affect any other components of the cooling system. Highly recommend.
Trustpilot
2 months ago
2 months ago