2 Pack Bar's Leaks Block Seal Liquid Copper Coolant Leak Fix, For Sale - New and Used

🔧 Bar’s Leaks Liquid Copper Block Seal – 18 oz 🔧Permanently Repairs Cooling System Leaks

Stop coolant leaks fast with Bar’s Leaks Liquid Copper Block Seal Intake & Radiator Stop Leak — designed to seal larger leaks that ordinary stop leaks can’t handle.

Perfect for cars, trucks, vans, SUVs, and RVs.

💪 Heavy-Duty Leak Repair Formula

✔ Permanently seals coolant loss problems
✔ Repairs large & small leaks
✔ Works on plastic, aluminum & cast iron

Effective for:

• Cylinder heads

• Engine blocks

• Intake manifold & gaskets

• Freeze plugs

• Heater cores

• Fiber additives combine with sodium silicate (“liquid glass”) to create a strong, durable seal.

  🚗 Easy One-Step Application

  ✔ No draining required
  ✔ Pour directly into radiator
  ✔ Safe for cooling systems when used as directed

  🌈 Compatible With ALL Coolants

  Works with:

  • Traditional green antifreeze

  • Extended life coolants

  • OAT / HOAT formulas

  • Yellow, orange, pink, red, blue, purple & green

  • 50/50 antifreeze mix or water

  From trusted automotive repair brand Bar’s Leaks.

  📦 Product Details

  • Size: 18 oz

  • Type: Liquid Copper Block Seal

  • For all vehicle types

  • Antifreeze compatible

  
  

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