Radiator Stop Leak

FVP Radiator Stop Leak provides instant results for leaky radiators, and it also prevents new leaks from developing.

  • Works with all brands, types and colors of antifreeze coolant and/or water.
  • Stops & seals coolant leaks instantly and prevents new leaks from developing
  • Seals leaks in radiators, gaskets, heater cores & freeze plugs


  • I have been a customer of FVP for over 16 years. I continuously [+]

    – Gary F., Huntington Beach, CA
  • The thing I like about FVP is they are not some anonymous outfit [+]

    – Shirley G., Denver, CO
  • I buy pretty much everything from Factory Motor Parts. They are [+]

    – Ken P., Mesa, Arizona
  • Sometimes I get some pretty off the wall vehicles in my shop and [+]

    – Steven R., Scottsdale, AZ
  • At my shop, I choose to work with FMP because of the relationship [+]

    – Spencer D., Mesa, Arizona
  • I have been using FVP radiators for quite some time and I have [+]

    – Bob N., Savage, MN