Bar’s Leaks® Original Cooling System Radiator Stop Leak 325ml

Revive and protect your vehicle’s cooling system with Bar’s Leaks® Radiator Stop Leak. Pre-dissolved for quick and simple installation, this advanced formula seals leaks, lubricates, and safeguards your entire cooling system—keeping you on the road without costly repairs.

Features

• Seals internal, external & coolant-to-oil leaks
• Protects the entire cooling system
• Lubricates water pump seal to prevent future problems
• Helps control electrolysis, rust & scale buildup
• Works safely on plastic, aluminum & metal components
• Compatible with all antifreeze types & colors, or straight water
• Easy to use—no tools or expertise required

Specifications

• Size: 325ml
• Dosage:
  • 1 bottle for 6, 8 & 10 cylinder engines (up to 4 gallons)
  • ½ bottle for 3–5 cylinder engines
  • 1 bottle per 3 gallons for larger systems
• Applications: Cars, Trucks, SUVs, RVs
• Compatibility: Works with conventional & extended life (OAT/HOAT) coolants