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Quicksilver 77177A3 Water Pump Repair Kit for Mercury Mariner 30-70hp Outboard

Manufacturer

Quicksilver

<h3>Quicksilver: The Marine Enthusiast&apos;s Trusted OEM Brand</h3><p>For boaters who refuse to compromise on quality, <strong>Quicksilver</strong> has been the benchmark for marine parts, accessories, and engine care products since 1950. Based in Fond du Lac, Wisconsin, Quicksilver operates as the parts and accessories brand of Mercury Marine — and that heritage is central to everything it makes. As the only marine aftermarket brand manufactured and recommended by an original-equipment manufacturer, Quicksilver brings factory-level engineering directly to boat owners, professional technicians, and weekend warriors alike.</p><p>What sets Quicksilver apart from generic aftermarket suppliers is its direct lineage to the engineers who designed the engines in the first place. Every component is engineered, tested, and manufactured with the same exacting standards as the original equipment it replaces. The result is a product line that fits right the first time and delivers the reliability boaters depend on — whether they&apos;re navigating calm inland lakes or pushing through demanding saltwater conditions.</p><p>Quicksilver&apos;s catalog spans more than 40,000 parts across 12 product lines, covering outboard and sterndrive engines from Mercury, Mariner, Yamaha, Honda, Evinrude, Johnson, Suzuki, and more. Among the most critical components in that lineup are Quicksilver Fuel Pumps, which are built to deliver factory fit and consistent fuel delivery across a wide range of outboard applications. Reliable fuel delivery is the foundation of engine performance, and Quicksilver&apos;s fuel system components are engineered to handle the demanding conditions of marine use — including compatibility with current fuel formulations.</p><p>Beyond fuel systems, Quicksilver is a go-to source for Propeller Parts &amp; Accessories that help boaters maintain and optimize their propulsion systems. From hub kits that protect both prop and gearcase to installation hardware and prop tools, these components are designed to the same tolerances as the drives they support. Proper propeller maintenance is one of the most impactful things a boat owner can do for performance, efficiency, and engine longevity — and Quicksilver makes that job straightforward.</p><p>The brand&apos;s commitment extends across lubricants, impellers, thermostats, anodes, fuel filters, oil filters, maintenance kits, and complete service packages — all engineered for the marine environment and tested to meet or exceed the standards of major engine manufacturers. Whether you&apos;re performing routine seasonal maintenance or tackling a more involved repair, Quicksilver provides the parts that restore your engine to peak operating condition.</p><ul style="list-style:disc"><li>OEM-backed engineering from Mercury Marine</li><li>Compatible with Mercury, Yamaha, Honda, Evinrude, Johnson, Suzuki, and Mariner engines</li><li>Over 40,000 parts spanning 12 product lines</li><li>Formulated and tested for freshwater and saltwater environments</li><li>Trusted by DIY boaters and professional marine technicians since 1950</li></ul><p>When reliability on the water is non-negotiable, Quicksilver delivers the peace of mind that only a true OEM-backed brand can provide.</p>

Part Number

77177A3
09/12/2036 7:59 AM
Sale Price

$110.99

In Stock (10+)

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Usually delivered within 2 days

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No Hassle Returns

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Fitment guaranteed

Fitment guaranteed

Product Details

The Quicksilver 77177A3 water pump repair kit provides comprehensive service parts for Mercury and Mariner 2-cycle outboard engines from 30 to 70 horsepower. This complete kit ensures reliable cooling system performance and extends engine life by delivering all essential components in one package.

Complete Kit Includes:

  • Water impeller for efficient coolant circulation
  • Upper and lower pump housings
  • Face plate and face seal
  • Seal carrier assembly
  • Drive key for impeller shaft
  • Gasket set for leak-free installation
  • Water tube coupling

Application: Designed specifically for Mercury and Mariner 2-stroke outboard motors ranging from 30hp to 70hp. This kit represents one of the most comprehensive water pump rebuild solutions available for these engines, eliminating the need to source individual components separately.

Why Quicksilver: As the OEM parts division of Mercury Marine, Quicksilver delivers genuine replacement components engineered to exact factory specifications. With over 65 years of marine industry leadership, Quicksilver parts undergo rigorous testing to ensure reliability in demanding marine environments. Consult your engine's service manual for specific compatibility and installation procedures.

Regular water pump maintenance is critical for preventing overheating and costly engine damage. Replace your water pump components at recommended service intervals or when flow reduction is detected.

I didn&#039;t ask for 2 day shipping but couldn&#039;t go back to change it.

No time 4 this

Thanks

good prices hopefully fast shipping

The part arrived very quickly, as described and in the best price found in the internet. I am very grateful. Highly recommend. I will do business with TH Motorsport again.

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