This site uses Cookies please see Cookie Policy.

Call Us: +44 (161) 764 5981 | Email:
Bluecol Radiator Sealer
Rad sealer

Bluecol Radiator Sealer is a fast acting repair for leaking radiators which stops leaks fast. It also stays active to seal further leaks and contains rust inhibitor to help prolong the life of radiators. Bluecol Radiator Sealer will not harm radiators, hoses or gaskets and it will mix with all types of antifreeze already in the cooling system.
Stops leaks fast.

Mixes with all antifreeze.

Sufficient for two treatments.

Bluecol – trusted since 1937.



Product Specifications

Stored Size
  • Width: 5.7 cm
  • Length: 8.5 cm
  • Height: 18.5 cm
  • ProductNumber: BRS500
  • 1. Run engine until warm.
    2. Shake bottle well and pour into radiator.
    3. Run engine again for a few minutes to allow seal to harden.