- Use to stop all leaks in main bearings, transmissions, power steering units, differentials, rack and pinion and any hydraulic fluid system
- Non-clogging and will not harm any seals
- Restores flexibility, elasticity and strength of rubber seals
- Hapco Products #1 seller since 1960
Hapco Pro-Seal is the most concentrated leak sealant that we offer! It is easy to use and guarantees a fast, permanent seal in any fluid system. This formula brings all rubber seals that suffer from age and wear, back to their original condition to help prevent future leaks. Does not contain particles or solvents and will not harm any seals. For Best Results: Add Pro-Seal directly to fluid reservoir where leak is occurring. Do not use in brake system. Use the full 8 oz. bottle to seal any unit up to an 8 quart capacity. Drive vehicle as normal to allow circulation of fluids. Also Safe To Use In: diesel engines, marine engines, rear axles, hydraulic cylinders, gear cases, reduction gears, trim tabs, pillow blocks and transfer cases.
Size – 8 oz.
Part No. – 208