Bar's Original

Prevents Leaks up to 0.9mm

Prevents Future Leaks

Will not Clog the Cooling System

Protects the Cooling System


Bar’s Original Radiator Stop Leak – is specially designed to seal minor leaks and drips in cooling systems up to 0.9mm in size. Bar’s Original & Bar’s Original (Truck) reduces or eliminates cavitation, lubricates cooling system components, keeps system clean, slows or prevents corrosion and quiets noisy water pumps. This product also contains special buffing agents to help keep your cooling system clean.


  • Stops & prevents internal and external leaks up to 0.9 mm in size

  • Prevents and seals leaks in the cooling system

  • Will not clog cooling system

  • Protects the cooling system

  • Contains buffing agents to keep system clean

  • Reduces damage associated with cavitation

  • Prevents & reduces formation of rust, scaling and sludge

  • Slows oxidation and corrosion

  • Quiets noisy water pump

  • Compatible with all antifreeze brands

* Packaging and or label graphics may vary

Product Code: EUBO, EUTRK
Product Sizes: Bar’s Original: Net Wt. 150 g / Bar’s Original Truck & 735 g

Safety Data Sheet(SDS) / Technical Data Sheet (TDS)