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Engineered Marine Products 46-46623 Water Pump Impeller Repair Kit for Mercury Mariner 2.5–3.5 HP 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

46-46623
08/23/2036 6:13 PM
Sale Price

$23.99

4 left at this price

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Usually delivered within 2 days

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Fitment guaranteed

Product Details

The Engineered Marine Products (EMP) 46-46623 is a complete water pump impeller repair kit designed for Mercury and Mariner small-displacement 2-stroke outboard motors in the 2.5, 3.3, and 3.5 HP range. This kit provides everything needed to restore proper cooling water circulation to your outboard's water pump, helping prevent overheating and protecting your engine from costly damage.

Key Features:

  • Complete repair kit includes water pump impeller, stainless steel wear plate (cup liner), drive pin, gaskets, and hardware
  • Built to OEM specifications, serving as a direct replacement for Mercury/Mariner OEM part numbers 8M0080264 and 889246A16
  • Also cross-references Nissan/Tohatsu 3AB873220M and Evinrude/Johnson OMC 5040434
  • Stainless steel components for superior durability and corrosion resistance in marine environments
  • Engineered Marine Products (EMP) has been a trusted supplier to both OEM and aftermarket marine customers for over 40 years

Replacing your water pump impeller kit at regular service intervals is one of the most important maintenance tasks for any outboard motor. The EMP 46-46623 makes it straightforward to restore full cooling system performance with a single, complete kit.

Great prices and fast shipping.

Easy to locate parts needed, just had issue finding mounting hardware.

Your online system would not allow me to put my Alaska address for billing, even though the order was to be shipped to Texas. I sent repeated emails requesting a phone call and no one would call me or provide me a number to call.

Quick and easy. Last place to have this in stock.

Good service and good price.

It was delivered when it said it was supposed to haven't opened it yet but look forward to seeing it

Parts arrived in perfect condition. Installation went well. The on time and quick delivery was key to installation planning and

thank you

Very good!

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