Tri-Seal - 16 oz.

Hapco Tri-Seal is used to stop leaks in engines, transmissions, and power steering units by revitalizing rubber seals. It is non-clogging and compatible with various fluids.

• The description claims that most leaks are repaired in as little as 2 hours of fluid circulation.
• The description claims that Tri-Seal can remain in the system until the next oil or fluid change.