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Engineered Marine Products 47-02275 Water Pump Impeller for Yamaha Outboard 115-250HP

Manufacturer

Engineered Marine Products

<h3>About Engineered Marine Products (EMP)</h3><p><strong>Engineered Marine Products</strong> — known throughout the industry as EMP — has been a trusted name in marine engine service parts for over 40 years. <a href="/13199-engineered-marine-products">EMP</a> supplies OEMs, distributors, dealers, and professional rebuilders worldwide with high-quality components designed to keep outboard, sterndrive, and inboard engines running reliably on the water.</p><p>What sets EMP apart is its unwavering commitment to OEM-grade engineering. Every component in the EMP catalog is manufactured to meet or exceed original equipment specifications, giving marine technicians and boat owners confidence that a part will fit correctly and perform consistently in demanding freshwater and saltwater environments.</p><h3>A Comprehensive Marine Parts Catalog</h3><p>EMP&apos;s product range spans virtually every critical system of a marine engine. The brand&apos;s catalog — organized around outboards, inboard/sterndrive, and specialty marine applications — covers fuel systems, gearcases, engine internals, cooling systems, steering and controls, seals and gaskets, transom components, and propellers. This breadth makes EMP a reliable single-source supplier for multi-system service jobs.</p><p>At the heart of the EMP lineup are <a href="/13199-engineered-marine-products-fuel-pumps-201310">marine fuel pumps</a>, including complete assemblies, VRO replacement units, and repair kits engineered to restore dependable fuel delivery across a wide range of Mercury, Mariner, Johnson, Evinrude, and other popular engine brands. Consistent fuel delivery is foundational to smooth starts and efficient engine operation, and EMP&apos;s fuel system offerings reflect that priority.</p><p>EMP is equally well-regarded for its <a href="/13199-engineered-marine-products-trim-and-tilt-units-201108">trim and tilt units</a> and associated <a href="/13199-engineered-marine-products-tilttrim-motors-201071">tilt/trim motors</a> — the hydraulic and electrical components that give boaters precise control over engine angle. Whether trimming out for high-speed performance or trimming in to navigate shallow water, a reliable tilt/trim system is essential, and EMP parts are engineered to hold up to the corrosive marine environment.</p><p>Below the waterline, EMP&apos;s <a href="/200345-drive-gearcase-parts-engineered-marine-products-13199">drive and gearcase parts</a> — including seal kits, bearing carriers, and clutch components for MerCruiser, OMC, Volvo Penta, Mercury, and other drives — provide the precision fitment that underwater gear systems demand. The brand also carries a broad selection of general RV &amp; marine replacement components suited for maintenance across a wide variety of watercraft.</p><h3>Why Marine Professionals Choose EMP</h3><ul style="list-style:disc"><li><strong>OEM-level fitment:</strong> Parts are designed to match original manufacturer specifications for accurate installation.</li><li><strong>Wide application coverage:</strong> EMP supports Mercury/Mariner, Johnson/Evinrude, MerCruiser, OMC, Volvo Penta, Yamaha, and more.</li><li><strong>Durability in harsh environments:</strong> Components are built to withstand saltwater exposure, vibration, and thermal stress.</li><li><strong>Trusted supply chain:</strong> Over four decades of distribution to OEMs, dealers, and rebuilders worldwide speaks to EMP&apos;s consistency and reliability.</li></ul><p>Whether you&apos;re a professional marine technician stocking a service bay or a boat owner tackling seasonal maintenance, Engineered Marine Products delivers the quality and fitment assurance that keeps engines running season after season.</p>

Part Number

47-02275
09/13/2036 7:43 AM
Sale Price

$16.41

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Product Details

The Engineered Marine Products 47-02275 is a replacement water pump impeller designed for Yamaha outboard motors ranging from 115 to 250 horsepower. This critical cooling system component ensures proper water circulation to prevent engine overheating and maintain optimal performance.

Key Specifications:

  • Inner Diameter: 22.4mm
  • Outer Diameter: 51.2mm
  • Width: 19.05mm
  • 6 flexible rubber blades for efficient water pumping
  • Hub uses key 465-02276 (sold separately)

Compatible Applications:

  • Yamaha 115-130 HP outboards (1988 and later)
  • Yamaha 150-300 HP outboards (1984-2019)
  • Fits both 2-stroke and 4-stroke models including V4 and V6 configurations
  • Compatible with F225, LF225 3.3L, and VF225 SHO 4.2L models

OEM Cross-References:

  • Yamaha: 6E5-44352-01-00, 6E5-44352-00-00
  • Sierra Marine: 18-3071
  • GLM: 89930
  • Mallory: 9-45609, 9-45609-10

Regular impeller replacement is essential preventive maintenance for marine engines. Marine technicians recommend inspecting and replacing impellers annually or every 300 hours of operation to ensure reliable cooling system performance and avoid costly engine damage.

good prices

Very fast and easy navigation. Will be using AutoPlicity again for my parts needs.

parts look to be of good quality.. will let you know when i receive them

Better price than anyone else

very easy

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Great price and good company to buy from!

Great price on product sold out at my "regular" place. My only negative was that I didn't get info to track the package or know when it would be delivered -- until AFTER it had been delivered. But that's not such a bad thing; it was a nice surprise when it showed up! I'll be recommending you to friends.

Great prices and fast shipping.

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