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

Manufacturer

Engineered Marine Products

<h3>Engineered Marine Products: Marine-Grade Reliability for Automotive Systems</h3><p>Engineered Marine Products (EMP) brings precision engineering and marine-grade durability to the automotive aftermarket. With over 1,100 specialized components in their catalog, EMP applies the same rigorous standards required for harsh marine environments to create automotive parts that excel in demanding conditions. This manufacturer has built a reputation for producing components that withstand extreme temperatures, moisture, and vibration—qualities that translate directly to superior performance in automotive applications.</p><h3>Climate Control and Electrical Components</h3><p>One of EMP's core specialties lies in climate control system protection. Their <a href="/13199-engineered-marine-products-hvac-cut-off-switch-4209">HVAC cut-off switches</a> provide critical safety functions for heating and air conditioning systems, automatically interrupting power flow when pressure thresholds are exceeded. These switches serve as essential safeguards against compressor damage and system failures, making them indispensable for maintaining optimal cabin comfort and protecting expensive HVAC components from catastrophic failure.</p><h3>Transmission Control Technology</h3><p>Modern automatic transmissions rely on precise hydraulic control to manage gear changes smoothly and efficiently. EMP's <a href="/13199-engineered-marine-products-automatic-transmission-control-solenoid-7752">automatic transmission control solenoids</a> regulate transmission fluid pressure with exceptional accuracy, ensuring seamless shifts and optimal power delivery. These electro-hydraulic components play a vital role in transmission longevity, as proper solenoid function prevents harsh shifting, slippage, and premature wear of internal clutch packs and bands.</p><h3>Engine Cooling Solutions</h3><p>Maintaining proper engine temperature is fundamental to performance and longevity. EMP manufactures <a href="/13199-engineered-marine-products-engine-water-pump-2208">engine water pumps</a> that circulate coolant throughout the engine block, cylinder heads, and radiator system. Drawing on their marine heritage where cooling system reliability is non-negotiable, these water pumps feature durable construction with corrosion-resistant materials and precision-machined components. A failing water pump can lead to overheating and catastrophic engine damage, making quality replacement parts essential for any cooling system service.</p><h3>Engineering Philosophy</h3><p>What sets Engineered Marine Products apart is their commitment to over-engineering components for extreme conditions. Marine applications demand parts that can handle saltwater corrosion, constant vibration, and temperature fluctuations—challenges that also exist in automotive environments. This design philosophy results in parts with enhanced durability, longer service life, and greater reliability than standard replacement components. Whether you're servicing climate control systems, transmission repairs, or cooling system maintenance, EMP provides components engineered to exceed expectations.</p>

Part Number

47-02275
06/21/2036 2:06 PM
Sale Price

$14.52

4 left at this price

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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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