60 Days

7 de agosto de 2026

HAPCO – ULTIMATE OIL STOP LEAK – Tri-Seal – CASE OF 12

Tri-Seal - CASE OF 12Use 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. - Case of 12 Part No. - 216C12 Made In USA - Money Back Guarantee - Proven Results Since 1960 Visit HapcoProducts.com to learn more!
7 de agosto de 2026

Pro-Seal – GUARANTEED TO STOP OIL LEAKS FAST – EASY TO USE – 2 PACK

Pro-Seal - 2 PACKUse 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. - 2 Pack Part No - 208P2 Made In USA - Money Back Guarantee - Proven Results Since 1960 Visit HapcoProducts.com to learn more!
7 de agosto de 2026

Hapco Products – Main Sta – STOPS OIL LEAKS IN ANY ENGINE. WORKS AS YOU DRIVE.

Main StaEffectively 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. Part No. - 400 Made In USA - Money Back Guarantee - Proven Results Since 1960 Visit HapcoProducts.com to learn more!
7 de agosto de 2026

Hapco Products – 1 Gallon Heavy Duty Power Steering Fluid – HIGH PERFORMANCE

Heavy Duty Power Steering Fluid Mixes perfectly with all original equipment fluidsPrevents rusting and corrosionContains anti-wear lubricantsHelps eliminate squealingExtends fluid lifeHapco Heavy Duty Power Steering Fluid provides for a smooth operating power steering unit and is compatible with all other power steering fluids. It contains special anti-rust and anti-wear lubricants that are resistant at all operating temperatures. It also maintains its viscosity over a long period of time and will help prevent rusting and corrosion. Guaranteed to help extend fluid life and help prevent wear. Always be sure to change fluid regularly, as manufacturer suggests. For steering stiffness, use Hapco Rack and Pinion Formula. Size - 1 Gallon Part No. - 901 Made In USA - Money Back Guarantee - Proven Results Since 1960 Visit HapcoProducts.com to learn more!