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Engineered Marine Products 47-00002 Water Pump Impeller for Mercury Mariner 40-70 HP Outboard

Manufacturer

Engineered Marine Products

<h3>About Engineered Marine Products (EMP)</h3><p><strong>Engineered Marine Products</strong>, widely known in the boating world as <strong>EMP</strong>, has been a trusted name in marine parts manufacturing for over 40 years. The company supplies OEMs, distributors, dealers, and rebuilders worldwide with high-quality aftermarket components engineered to meet or exceed original equipment manufacturer (OEM) specifications. Whether you maintain a weekend fishing boat or a performance inboard, EMP&apos;s extensive catalog is built to keep marine engines running reliably season after season.</p><h3>A Marine Parts Specialist Built on Engineering Precision</h3><p>EMP&apos;s foundation is precision manufacturing. Their design and production processes leverage modern engineering technology, with a focus on dimensional accuracy, material quality, and long-term durability in the demanding marine environment. Salt spray, constant vibration, wide temperature swings, and moisture ingress are realities every marine component must survive — and EMP engineers its parts with exactly those conditions in mind.</p><p>The brand&apos;s catalog spans a remarkably wide range of marine engine subsystems. From cooling and fuel delivery to gearcases, propellers, transom components, and steering systems, EMP offers solutions for outboard engines from manufacturers including Mercury/Mariner, Yamaha, BRP (Johnson/Evinrude), and Force, as well as inboard/sterndrive platforms such as MerCruiser, OMC, and Volvo Penta.</p><h3>Ignition and Electrical Components</h3><p>One of EMP&apos;s most comprehensive product areas is marine ignition and electrical systems. Their <a href="/13199-engineered-marine-products-ignition-control-module-10488">Ignition Control Modules</a> and related ignition components cover a broad spectrum of inboard and outboard applications — from distributor caps and rotors for Volvo Penta V8 engines to ignition coil assemblies compatible with MerCruiser 3.0L through 8.4L GM-based powerplants and OMC configurations. Reliable spark delivery is critical to engine performance and starting consistency on the water, and EMP&apos;s ignition lineup is designed to deliver dependable output across the entire RPM range.</p><h3>Gaskets, Seals, and Engine Integrity</h3><p>Keeping a marine engine leak-free is just as important as keeping it firing correctly. EMP&apos;s <a href="/13199-engineered-marine-products-gaskets-seals-201268">Gaskets &amp; Seals</a> lineup addresses the full range of engine and gearcase sealing needs — including gearcase seal kits, Teflon lip seals, fuel injector crush ring kits, and comprehensive engine gasket sets. Proper sealing prevents water intrusion, oil loss, and exhaust leaks that can quickly sideline a boat and lead to expensive engine damage.</p><h3>Why Boaters and Technicians Choose EMP</h3><ul style="list-style:disc"><li><strong>OEM-Grade Quality:</strong> Parts are engineered to meet or exceed original manufacturer specifications, ensuring proper fit and reliable function.</li><li><strong>Broad Application Coverage:</strong> EMP covers major outboard and inboard/sterndrive platforms from leading marine engine brands.</li><li><strong>Trusted Supply Chain:</strong> EMP products are sold through OEMs, distributors, and dealers globally, reflecting deep industry confidence in the brand.</li><li><strong>40+ Years of Manufacturing Heritage:</strong> Decades of marine-specific engineering experience inform every product in the EMP lineup.</li></ul><p>For boat owners, marine technicians, and engine rebuilders who demand components they can count on, Engineered Marine Products delivers the quality and application coverage to get the job done right.</p>

Part Number

47-00002
09/12/2036 11:54 AM
Sale Price

$13.20

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Usually delivered within 2 days

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Product Details

The Engineered Marine Products 47-00002 is a premium replacement water pump impeller designed for Mercury and Mariner outboard motors in the 40-70 HP range. This critical cooling system component ensures reliable water circulation to keep your outboard engine running at optimal temperatures.

Key Features:

  • High-quality neoprene rubber construction with brass hub for durability in harsh marine environments
  • Precise OEM-quality specifications for exact fit and performance
  • 6-blade design for efficient water flow and cooling
  • Shaft diameter: 19.3mm, Overall diameter: 51.8mm, Thickness: 19mm
  • Designed to meet or exceed original equipment manufacturer standards

Replaces OEM Part Numbers:

  • Mercury: 47-89983, 47-89983T, 47-89983B, 47-65959, 47-20268
  • Sierra: 18-3007

Regular impeller replacement is essential preventative maintenance for marine engines. The impeller transfers energy from the engine to pump cooling water through the system, and should be inspected and replaced according to your engine manufacturer's recommended service intervals to prevent overheating and costly engine damage.

huge variety, low prices, and vehicle-product matching guide

Quick and very good pricing

Was able to find most items that I was looking for.

Easy

grate

Awesome...

Good

super easy to navigate through site... found what i was looking for ..... free shipping

Good

Easy to find and price was good. The product fit well. Works well so far

Very good!

So far so good

Ordered Monday - didnt ship until Thursday.<br><br>Email sent tracking number, but didnt mention which source was used for transport.<br><br>Product as described.

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