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Hapco Products - Pro-Seal – 8 oz.
Formula is guaranteed to stop existing leaks in any fluid system
Engines, transmissions, differentials, power steering, rack and pinion, rear axles, gear cases
reduction gears, trim tabs, pillow blocks, transfer cases, heavy equipment and any hydraulic system (jacks / cylinders / pumps)
This easy-to-use treatment quickly restores the flexibility, elasticity and tensile strength of all rubber seals to stop current leaks. It does not contain petroleum distillates, which can harm or destroy seals, and is 100% non-clogging.
It does not contain petroleum distillates, which can harm or destroy seals, and is 100% non-clogging
Pro-Seal can also be added at any time as a seal conditioner to help prevent future leaks.
Compatible with all conventional and synthetic oils / fluids
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.