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Engineered Marine Products 47-02170 Water Pump Impeller for Mercury Mariner Tohatsu 2-6HP Outboards

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

47-02170
06/21/2036 3:32 PM
Sale Price

$21.34

In Stock (10+)

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Usually delivered within 2 days

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Fitment guaranteed

Fitment guaranteed

Product Details

The Engineered Marine Products 47-02170 is a premium replacement water pump impeller designed for small outboard motors. This high-quality impeller provides reliable water circulation to maintain proper engine cooling and prevent overheating in marine environments.

Key Features:

  • Premium-grade construction engineered to meet or exceed OEM specifications
  • Durable rubber construction designed to withstand harsh saltwater conditions
  • Precision-molded blades ensure optimal water flow and consistent pump performance
  • Direct replacement for Mercury 47-16154-3, 8M0204676 and Tohatsu 369-65021-1
  • Manufactured by EMP with over 40 years of marine aftermarket experience

Applications:

  • Tohatsu 2-Stroke: M3.5B2, M4C, M5B, M5BS
  • Tohatsu 4-Stroke: MFS2A/B/C, MFS2.5A/B/C, MFS3.5A/B/C, MFS4A2/B/C/D, MFS5A2/B/C/D, MFS6A2/B/C/D
  • Mercury/Mariner 2-Stroke (black leg only): 2hp, 2.5hp, 3.3hp, 4hp, 5hp
  • Mercury/Mariner 4-Stroke: F4M, F5M, F6M

Regular impeller replacement is essential maintenance for outboard motors. Impeller blades can corrode and wear during extended use, especially in saltwater applications. Replace your impeller annually or as recommended by your engine manufacturer to ensure reliable cooling system performance.

good

verthank youy easy would like to have talked to a service rep.

Best price on the item I was looking for.

Best price. Easy order. We will see how the rest goes.

Quick and easy. Just hope it fits my car.

Easy to use

Easy

Going through the screens was eady enough. Prompts were great.

User friendly site and found what I needed quickly.

Great prices!

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Quick an Easy

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