A well-known name in engine repair with long-lasting results.
– Lowers water temperature
– Works with all antifreezes
– Blocks freeze plug leaks
– Takes less than 20 minutes to show results
– Can clog radiator when used in excess
A versatile stop leak with a strong reputation on Amazon.
– Works with more than just radiator leaks
– Compatible with all antifreezes
– No draining or flushing required
– Works within half an hour of application
– Does not last as long as a permanent fix
A resilient powder suitable for small leaks.
– Lubricates water pumping system
– Compatible with all antifreezes
– Safe on metal, plastic, and rubber cooling systems
– Sometimes requires more powder than suggested
A quick-to-use tablet to improve radiator performance.
– Inhibits rust and corrosion
– Helps control electrolysis
– Conditions cooling system
– Short working time
– May require more than two tablets per radiator
An upgrade of a popular radiator stop leak formula.
– Compatible with both synthetic and conventional oils
– Restores rubber and gasket health
– No petroleum distillates
– Takes many hours to show results
