Hapco Products – Heavy Duty Block Sealer – PERMANENT BLOCK REPAIR. EASY TO USE.
Heavy Duty Block SealerMixes with all types of antifreezeWill not plug heater coreSafe for plastic and aluminum unitsMakes a permanent sealRust inhibitorHapco Heavy Duty Block Sealer is guaranteed to stop existing block leaks fast! Our formula does not contain metal flakes, is compatible with all types of antifreeze, will not plug the heater core and is safe for all cooling systems. Specially formulated to permanently seal and protect against future leaks. Also safe to use for radiator and head gasket repairs. Size – 16 oz. Part No. – 616 Made In USA – Money Back Guarantee – Proven Results Since 1960 Visit HapcoProducts.com to learn more!
HAPCO – Pro-Seal – GUARANTEED TO STOP LEAKS IN ANY FLUID SYSTEM
Pro-SealUse to stop all leaks in engines, transmissions, power steering units, differentials, rack and pinion and any hydraulic fluid systemNon-clogging and will not harm any sealsRestores flexibility, elasticity and strength of rubber sealsHapco Products #1 seller since 1960Hapco 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 petroleum distillates 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. DO NOT USE IN BRAKE SYSTEM. Size – 8 oz. Part No – 208 Made In USA – Money Back Guarantee – Proven Results Since 1960 Visit HapcoProducts.com to learn more!
HAPCO – Main Sta – Guaranteed to Stop Engine Oil Leaks – 2 PACK
Main Sta – 2 PACKEffectively stops oil leaks in any engine – GuaranteedCompatible with all conventional and synthetic oilsRepairs and reconditions rubber seals to help prevent future leaksHelps make new or rebuilt engines LEAKPROOFSafe for use in all gasoline, diesel and marine enginesHapco Main Sta sealer is a unique, 100% pure blend of natural and synthetic lubricants. Effectively stops and prevents engine oil leaks by revitalizing all rubber seals and gaskets. Compatible with all conventional and synthetic oils. Main Sta is also recommended as a superior break-in additive for new or rebuilt motors. Makes new engines LEAKPROOF by lubricating vital areas to help prevent wear and shrinkage. Does not contain petroleum distillates, which can harm or destroy seals. For Best Results: Add one 16 oz. bottle of Main Sta directly to engine oil. Drive vehicle as normal to allow circulation of fluids. No need to change oil immediately after leak is repaired, Main Sta will dissipate on its own. Safe for all gasoline, diesel and marine engines. Size – 16 oz. – 2 pack Part No. – 400P2 Made In USA – Money Back Guarantee – Proven Results Since 1960 Visit HapcoProducts.com to learn more!
Hapco Products – Tri-Seal – GUARANTEED TO STOP OIL LEAKS – BEST SELLER!
Tri-SealUse for engine, transmission and power steering leaksMakes a permanent seal and prevents future leaksCompatible with all conventional and synthetic oils / fluidsDoes not contain any particles and will not harm sealsWorks while you drive – Works every time!Hapco Tri-Seal positively stops leaks in all engines, transmissions and power steering units. This exclusive formula revitalizes the flexibility, elasticity and tensile strength of rubber seals to original condition and also helps prolong the life of all seals to prevent future leaks. Does not contain petroleum distillates, which can harm or destroy seals, and is 100% non-clogging. Tri-Seal is compatible with all manufacturers’ fluids and has a proven history of success since 1960. FOR BEST RESULTS: With engine off, add one bottle of Tri-Seal to the engine, transmission or power steering fluid reservoir at any time (or 2 oz. per quart capacity). Drive vehicle as normal to allow circulation of fluids. Most leaks are repaired in as little as 2 hours of total fluid circulation (or 1-2 days of normal driving). After the leak is repaired, Tri-Seal can remain in the system until mileage indicates need for oil / fluid change. Tri-Seal is also safe to use in: hydraulic systems (jacks / cylinders / pumps), marine engines, differentials, rear axles, refillable shock absorbers, gear cases, reduction gears, transfer cases and pillow blocks. Size – 16 oz. Part No. – 216 Made In USA – Money Back Guarantee – Proven Results Since 1960 Visit HapcoProducts.com to learn more!
HAPCO – Tri-Seal – GUARANTEED TO STOP OIL LEAKS – BEST SELLER!
Tri-SealUse for engine, transmission and power steering leaksMakes a permanent seal and prevents future leaksCompatible with all conventional and synthetic oils / fluidsDoes not contain any particles and will not harm sealsWorks while you drive – Works every time!Hapco Tri-Seal positively stops leaks in all engines, transmissions and power steering units. This exclusive formula revitalizes the flexibility, elasticity and tensile strength of rubber seals to original condition and also helps prolong the life of all seals to prevent future leaks. Does not contain petroleum distillates, which can harm or destroy seals, and is 100% non-clogging. Tri-Seal is compatible with all manufacturers’ fluids and has a proven history of success since 1960. FOR BEST RESULTS: With engine off, add one bottle of Tri-Seal to the engine, transmission or power steering fluid reservoir at any time (or 2 oz. per quart capacity). Drive vehicle as normal to allow circulation of fluids. Most leaks are repaired in as little as 2 hours of total fluid circulation (or 1-2 days of normal driving). After the leak is repaired, Tri-Seal can remain in the system until mileage indicates need for oil / fluid change. Tri-Seal is also safe to use in: hydraulic systems (jacks / cylinders / pumps), marine engines, differentials, rear axles, refillable shock absorbers, gear cases, reduction gears, transfer cases and pillow blocks. Size – 16 oz. Part No. – 216 Made In USA – Money Back Guarantee – Proven Results Since 1960 Visit HapcoProducts.com to learn more!
Hapco Products – Pro-Seal – GUARANTEED TO STOP OIL LEAKS FAST – EASY TO USE
Pro-SealUse to stop all leaks in engines, transmissions, power steering units, differentials, rack and pinion and any hydraulic fluid systemNon-clogging and will not harm any sealsRestores flexibility, elasticity and strength of rubber sealsHapco Products #1 seller since 1960Hapco 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 petroleum distillates 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. DO NOT USE IN BRAKE SYSTEM. Size – 8 oz. Part No – 208 Made In USA – Money Back Guarantee – Proven Results Since 1960 Visit HapcoProducts.com to learn more!
Limited Slip Additive – REDUCES WEAR & NOISE IN DIFFERENTIALS – 2 PACK
Limited Slip Additive – 2 PACKUse to reduce wear, noise and chatter in differentialsProvides extreme pressure-wear resistance in any fluid systemDoes not contain petroleum distillatesWill not harm any sealsAlso safe for: electric motors, hydraulic pumps, moving shafts, power mowers and pillow blocks Hapco Limited Slip Additive effectively reduces wear, noise and chatter in differentials. Our formula helps provide extreme pressure-wear resistance in any fluid system. Will not harm seals and does not contain petroleum distillates. For Best Results: Add one 4 oz. bottle of Limited Slip Additive when gear oil is changed or unusual slip is detected. Drive vehicle as normal to allow circulation of fluids. Also safe for: electric motors, hydraulic pumps, moving shafts, power mowers and pillow blocks. Size – 4 oz. – 2 Pack Part No. – 4104P2 Made In USA – Money Back Guarantee – Proven Results Since 1960 Visit HapcoProducts.com to learn more!