Skip to Main Content Skip to Footer Links
Error occured! Please reload the page and try again

You have no saved vehicles.

Add a vehicle to quickly see parts that fit your make and model

Vehicle added


Find parts for the selected vehicle:

View Vehicles
Are you sure you want to delete this vehicle?

    Add a

    Add a

    Bars Leak Liquid Copper Block Seal Intake and Radiator Stop Leak (18 oz.)

    Part #1109
    Loading ...
    • Product Details

      Part No.1109

      Warranty Details (1 YR REPLACEMENT IF DEFECTIVE)

      Bar's Leaks Liquid Copper& Block Seal Intake and Radiator Stop Leak is formulated to seal larger leaks permanently on cars, trucks, vans, SUVs and RVs. Permanently seals larger leaks in gaskets, radiators, heater cores, intake manifolds, blocks, heads and freeze plugs, Compatible with virtually all types of antifreeze, including silicate-based conventional green and blue and extended-life red/orange and yellow (OAT/HOAT) coolant, Contains an antifreeze-compatible sodium silicate liquid glass formula, so no draining of the cooling system is required, 1 bottle treats most 4-, 6-, 8- and 10-cylinder engines

      Product Features:

      • Seals larger leaks Seals
      • Repairs Heater Core Leaks
      • Repairs Freeze Plugs
      • Repairs Block Leaks

    • Specifications
      • Antifreeze Type Compatibility:Compatiable with all antifreeze
        Contains Corrosion Inhibitors:No
        Contains Ethylene Glycol:No
        Contains Lubricant:No
        Contains Stop Leak:Yes
        Lubricant Type:None
        Manufacturer Warranty Compatibility:Yes
        Radiator Material Compatibility:All
        Recommended Change Interval:12000 mi
        Boiling Point at 50/50 Mixture:104 Deg. F
    • Read Review
    • Q & A
      Ask a question, get answers from real customers and in-house experts.
    Disclaimer: We strive to keep all information accurate and up-to-date; however, product availability, pricing, promotions and store hours are subject to change without notice. Please contact Customer Care if you have any questions or corrections.