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Quicksilver 821354A 2 Water Pump Repair Kit for Mercury Mariner 40-50HP Outboards

Manufacturer

Quicksilver

<p>Since 1950, Quicksilver has been delivering premium marine parts, accessories, and lubricants that set the standard for quality and performance on the water. As the premier supplier of Mercury Marine original-equipment parts and accessories, Quicksilver occupies a unique position in the marine aftermarket industry—it's the only marine brand manufactured and recommended by an original-equipment manufacturer.</p> <h3>Engineering Excellence Backed by Mercury Marine</h3> <p>What sets Quicksilver apart from other aftermarket brands is its direct connection to Mercury Marine's engineering expertise. No aftermarket company comes close to Quicksilver's level of research and design, and literally millions of hours have been spent on fired-engine testing and analysis. This rigorous development process ensures that every component meets the exacting standards required for marine environments, where reliability isn't just a preference—it's essential.</p> <p>Quicksilver offers the widest range of premium replacement parts and lubricants for Mercury engines and drives in the marine industry, while their expertise makes Quicksilver aftermarket parts and lubricants outstanding choices to service most major marine engine brands. Whether you're maintaining a Mercury, Yamaha, Honda, or Suzuki outboard, Quicksilver provides OEM-quality solutions that fit and function like the original components.</p> <h3>Comprehensive Product Range for Every Marine Application</h3> <p>From critical propulsion components to routine maintenance items, Quicksilver covers the full spectrum of marine parts needs. Their <a href="/200836-quicksilver-propellers-quicksilver-7456">propeller selection</a> represents decades of hydrodynamic research, offering precision-engineered designs that maximize thrust, fuel efficiency, and handling across different hull configurations and engine combinations.</p> <p>For fuel system reliability, <a href="/200446-fuel-pumps-kitscarburetor-kits-quicksilver-7456">Quicksilver fuel pumps and carburetor kits</a> deliver consistent performance even in demanding marine conditions where ethanol-blended fuels and temperature extremes can compromise inferior components. The brand's <a href="/200835-quicksilver-manifoldsriserselbows-quicksilver-7456">exhaust manifolds, risers, and elbows</a> are engineered specifically to handle the corrosive marine environment, featuring materials and coatings that resist saltwater degradation.</p> <p>Cooling system maintenance becomes straightforward with <a href="/2208-engine-water-pump-quicksilver-7456">Quicksilver water pumps</a> and impeller kits designed for easy installation and reliable operation. Regular impeller replacement is one of the most critical preventive maintenance tasks for any marine engine, and Quicksilver kits include all necessary gaskets and components for professional-grade results.</p> <p>The brand's <a href="/200382-external-engine-parts-quicksilver-7456">external engine parts</a> portfolio ensures that boat owners and marine technicians can source everything from mounting hardware to trim system components with confidence in fit and durability.</p> <h3>Quality You Can Trust</h3> <p>Quicksilver has earned a loyal following by providing the highest quality products for more than 60 years, and consumers consider it one of the most trusted brands in the markets it serves. With over 40,000 parts across 12 product lines, Quicksilver products can be found throughout the world, supporting recreational boaters, commercial operators, and marine service professionals alike.</p> <p>This commitment to quality extends beyond parts to include specialized marine lubricants, fuel additives, and maintenance products formulated specifically for the unique demands of marine engines. When you choose Quicksilver, you're buying performance, protection, and peace of mind—qualities that matter when you're miles from shore or simply want to maximize your time on the water.</p>

Part Number

821354A 2
06/21/2036 9:35 AM
Sale Price

$60.99

In Stock (10+)

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Usually delivered within 2 days

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Quicksilver 821354A 2 water pump repair kit provides a complete solution for servicing Mercury and Mariner 25-50HP 2-stroke and 4-stroke outboard motors. This genuine OEM kit ensures your outboard's cooling system operates at peak efficiency with factory-quality components.

Complete Kit Includes:

  • Water pump impeller for optimal water flow
  • Drive key for secure impeller mounting
  • Face plate for proper pump housing
  • Gaskets for leak-free sealing
  • Water tube seal to prevent coolant loss

Key Features:

  • Genuine Mercury Marine OEM replacement parts
  • Compatible with Mercury and Mariner 25-50HP 2-stroke and 4-stroke outboards
  • All components needed for complete water pump rebuild in one kit
  • Engineered and tested to Mercury Marine's exacting specifications
  • Backed by over 65 years of Quicksilver marine industry expertise

Regular water pump maintenance is essential for preventing overheating and ensuring long engine life. This comprehensive repair kit provides everything needed for a professional-quality water pump service. Consult your owner's manual or service manual for specific application compatibility and installation procedures.

simple and easy to use

First time using this company, fast delivery and at a great deal. Will definitely use them again.

Great products. Great service

Autoplicity was great got my item in a timely fashion

easy ordering, great packaging, on time delivery, would definitely return in the future

Everything was fine. Shipping could be a little faster though.

Received quick. Perfect

Quick service

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Price was way below anyone else. Delivered on time and as advertised

Made an order and 2 days later got an email saying it was canceled. Picked up the phone and it was resolved quickly. Product is now in the mail. Prices are great.

Good so far. Clean easy website.

So far so good! Truth be told when product ships and delivers!!! Can't wait!

I bought my horn at Autoplicity because they by far had the best price. So far there service has been nothing short of excellent.

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