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Engineered Marine Products 10-02686 Drain Washer

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

10-02686
09/12/2036 7:54 AM
Sale Price

$2.68

In Stock (9)

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Usually delivered within 2 days

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No Hassle Returns

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Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Engineered Marine Products 10-02686 is a lower unit drain plug gasket designed as a direct replacement for Mercury 27-81987 and Yamaha 90430-08020-00. This precision-engineered seal washer creates a reliable barrier between the drain plug and lower unit housing, preventing gear oil leaks and protecting your outboard motor from contamination and damage.

Key Features:

  • Replaces OEM part numbers: Mercury/Mariner 27-81987, 27-81987M; Yamaha 90430-08020-00, 604-45342-00-00, 90430-08801-00, 90430-08003-00; Sierra 18-4698
  • Manufactured to meet or exceed original equipment manufacturer specifications
  • Provides superior sealing performance to prevent gear oil leaks
  • Engineered for marine environments with corrosion-resistant materials
  • Backed by a 2-year limited warranty

Engineered Marine Products (EMP) has been the aftermarket leader in delivering superior parts and accessories to the marine industry for over 40 years. This drain plug gasket is essential for routine lower unit maintenance and ensures your outboard gearcase remains properly sealed during oil changes.

very quick purchase looks like the product i&quot;m looking for.

Found the item I needed quickly, and check-out was a breeze.

Great communication throughout my transaction. Quick delivery, would shop here again.

So far good.

My item came SO FAST! The Jeep top fits and the instructions were clear. Great product at a phenomenal price. Would highly recommend shopping with thmotorsports!

Good prices and hoping this will be my go too for parts.....

Product was easy to order online and the delivery was very fast. Product was just what I wanted.

Fast and correct!!!

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