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Bar's Leaks 1186 Liquid Aluminum Stop Leak - 16.9 oz , Gray

4.3 out of 5 stars 2,654 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Fuel Leak Detectors by Bar's Leaks

-36% $9.41
List Price: $14.62

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  • Bar's Leaks Liquid Aluminum Stop Leak seals radiator leaks. Seals freeze plug leaks. Repairs gasket leaks and heater core leaks. Lowers water temperature.
  • Special Shipping Information: This item cannot be returned and has additional shipping restrictions
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Always the perfect gift

Frequently bought together

  • Bar's Leaks 1186 Liquid Aluminum Stop Leak - 16.9 oz , Gray
  • +
  • Valvoline Multi-Vehicle 50/50 Prediluted Ready-to-Use Antifreeze/Coolant 1 GA
  • +
  • Bar's Leaks PLT11 Pelletized HD Radiator Stop Leak - 11 oz.
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From the manufacturer

Oil Leak Problem? Low Oil Levels? Hearing Loud Sounds from the Engine? Temperature Warning Light? Smoke from the engine?
Identify the Symptoms Black or dark golden brown spots or puddles beneath my car. My engine is reading low oil levels, but not sure it is leaking. I'm hearing a ticking or knocking sound coming from the top of my engine. I have a temperature warning light or temperature gauge is at high end. I'm seeing white smoke or steam coming from engine/hood
Best Solution An oil leak may start out small, but can lead to a unplanned costly repair down the road. Use Bar's Leaks Main Seal Motor Oil Leak Repair to stop leaks and continue on down the road. Bar's Leaks Rear Main Seal Repair Concentrate. Bar's Leaks Engine Repair. Bar's Leaks Cooling System Repair. Bar's Leaks Liquid Aluminum Stop Leak
Alternative Solutions Bar's Leaks Rear Main Seal Repair Concentrate Bar's Leaks Main Seal Motor Oil Leak Repair Bar's Leaks Main Seal Motor Oil Leak Repair Bar's Leaks Liquid Aluminum Stop Leak Bar's Leaks Cooling System Repair.

Product Description

Bar’s Leaks Liquid Aluminum Cooling System Stop Leak is the best radiator stop leak money can buy. Scientifically formulated to permanently seal coolant leaks that are the cause of most overheating problems. Contains Xtreme Cool which stops overheating and reduces water temperature. Liquid Aluminum is part of the next generation stop leak line. It is to safely and easily seal leaks in plastic, aluminum and metal radiators, heater cores, gaskets and freeze plugs. Works in cars, trucks, vans, SUV’s and RV’s. Use with all types of antifreeze including conventional green or blue (silicate-based) and extended life red/orange or yellow (OAT/ HOAT) antifreeze. For most vehicles leaks stop in only a few minutes. FUNCTION - Stop Radiator & Coolant Leaks DOSAGE -Use – 1/2 (half) bottle in a small cooling systems, such as 4 cylinders with no A/C. Use 1 (one) bottle for regular size systems, most 4, 6, 8 and 10 cylinder engines. Seals Radiator Leaks Seals Freeze Plug Leaks Repairs Gasket Leaks Repairs Heater Core Leaks Lowers Water Temperature

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Bar's Leaks 1186 Liquid Aluminum Stop Leak - 16.9 oz , Gray


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    Customer reviews

    4.3 out of 5 stars
    4.3 out of 5
    2,654 global ratings

    Top reviews from the United States

    Reviewed in the United States 🇺🇸 on November 12, 2022
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    Top reviews from other countries

    J. Lee C
    4.0 out of 5 stars It works! We could not believe it.
    Reviewed in Canada 🇨🇦 on September 13, 2022
    Size: Pack of 1Verified Purchase
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    4.0 out of 5 stars It works! We could not believe it.
    Reviewed in Canada 🇨🇦 on September 13, 2022
    Tried the product on an old MDX (03) that has been leaking coolant into the passenger seat area. We've had to refill and top up twice a week. See pic, the cloth was soaking wet before adding Bar's and after idling it for 20 mins, we notice the leaking has stopped. Cooled down the car and in the morning we checked the levels of the coolant and they are still full. Test drove it again this morning for 30 mins and no leak no hissing sound when stepping on the gas.... Just a note from the Youtube mechanic Scotty, just make sure the coolant is clean. Do not use with dirty coolant, only 1/4 of the bottle was used up.
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    Lola Pluta
    5.0 out of 5 stars It works
    Reviewed in Canada 🇨🇦 on September 17, 2019
    Size: Pack of 1Verified Purchase
    2 people found this helpful
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    Ravi Luke
    5.0 out of 5 stars Civic 2004 was burning coolant
    Reviewed in Canada 🇨🇦 on February 19, 2020
    Size: Pack of 1Verified Purchase
    2 people found this helpful
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    Amazon Customer
    1.0 out of 5 stars Will Clog Heat Coil!!! (2009 Jeep Wrangler)
    Reviewed in Canada 🇨🇦 on February 5, 2021
    Size: Pack of 1Verified Purchase
    Mark S.
    5.0 out of 5 stars Fast and effective
    Reviewed in Canada 🇨🇦 on November 1, 2021
    Size: Pack of 1Verified Purchase