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The CarGo brand name was established in 1959 when the Cargo Chemical Company was founded. The company's first product, liquid glass metallic SEAL-UP, remains the leading brand of cold weld engine repair.

Hot Products


Seal-Up Permanent Repair Radiator Sealer

  • Permanent radiator repair
  • Seals leaks in all types of radiators
  • Compatible with any antifreeze



  • Liquid Glass Metallic Seal-Up

  • Permanent cooling system sealer
  • Liquid glass and copper formula
  • Forms permanent copper-ceramic seal


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