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Mishimoto Liquid Chill Stop-Leak 8oz.

Awaiting stock, shipping soon


Regular price $16.95
Sale price $16.95 Regular price $19.00
Shipping calculated at checkout.

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Disaster rarely strikes at opportune moments when you have all the tools and resources to overcome it. Radiators crack at the track just after the last parts store closes. You got the last fitting they had but went one rotation too far and righty-tighty became righty-loosey. Rent, the electric bill, and that cracked block came due on the same day. It's Sunday night, 10-degrees outside, there's a puddle of coolant under your car, and you just need to get to work tomorrow. Sometimes, being an enthusiast means learning how to pivot and do what's necessary to get home. For those times, Mishimoto is here with our tested and proven Liquid Chill Stop Leak by K-Seal.----This stop leak has been independently lab tested and proven to seal holes up 0.6mm in diameter and cracks 0.25mm wide by 12mm long, without clogging your radiator or engine coolant passages. The key to this ability is its special blend of microfibers and copper particles that are small enough to flow freely through the cooling system. When pushed through a hole or crack, those particles and microfibers begin to build a wall that seals the leak. Heat and exposure to atmosphere or combustion gasses then cure the sealant for a permanent fix.----The best part of our stop leak is its simplicity. Simply shake the bottle, add it to the cooling system, and run the engine. Liquid Chill Stop Leak is compatible with all coolant types and doesn't require any special preparation. Liquid Chill Stop Leak provides a permanent seal without clogging cooling passages, so it can be left in the system or flushed with your next coolant change. So, if you're in a pinch, or are just tired of hunting for a solution to your coolant leak, look no further than Mishimoto's Liquid Chill Stop Leak.

  • Provides a permanent seal of leaking fittings, cracked heads or blocks, and head gasket leaks
Mishimoto Liquid Chill Stop-Leak 8oz.

$16.95

  • Fast shipping

    Ordered a product and it arrived the next day. Super impressed with the speed and the careful packaging.


    Jordan Smith
    Seattle, Washington
  • Excellent service

    Customer support was helpful; they resolved my issue in minutes. Really appreciated the follow-up email to ensure satisfaction.


    Taylor Christos
    Austin, Texas
  • Great selection

    Wide variety of products across the range. Found everything I needed in one place, very convenient.


    Alex Williams
    London, England
  • Top quality

    The product I bought exceeded my expectations. Top-notch quality, thoughtful design, and it came beautifully packaged.


    Sam Davis
    San Francisco, California
  • Reliable store

    Have ordered multiple times, always received exactly what was described. Products are genuine and fully functional.


    Casey Brown
    Denver, Colorado
  • User-friendly website

    Easy to navigate and make purchases. A hassle-free shopping experience with clear descriptions and transparent pricing.


    Riley Wilson
    Boston, Massachusetts
  • Smooth checkout

    Checkout was quick and straightforward. My order confirmation came through instantly, and everything arrived exactly as expected.


    Morgan Lee
    Portland, Oregon
  • Great value

    Really pleased with the quality for the price. The product felt premium, worked perfectly out of the box, and was well packaged.


    Jamie Carter
    Manchester, England
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Can I return a part after it has been installed?

Generally, installed or used performance parts cannot be returned. We strongly recommend verifying vehicle fitment and inspecting the product before installation.

Can I cancel my order after it has been placed?

We begin processing orders as quickly as possible. If you need to cancel, contact us immediately. Once an order has entered fulfillment, been submitted to a supplier, or shipped, cancellation may no longer be possible.

Will this part fit my vehicle?

Fitment varies by year, make, model, trim, engine, and drivetrain. Use our vehicle fitment information to confirm compatibility. If you're unsure, contact us with your VIN and we'll help verify fitment before you order.

How do I know if this is the right upgrade for my build?

Not every upgrade makes sense for every vehicle or build. Tell us your vehicle, current modifications, and performance goals, and we'll help determine whether this product is a good fit.

Are the products you sell authentic?

Yes. We source products through established manufacturers and authorized distribution channels. We do not sell counterfeit or imitation performance parts.

Is professional installation recommended?

For most performance components, yes. Proper installation is critical for fitment, reliability, and performance. Some products may also require specialized tools, programming, tuning, or additional supporting modifications.