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Engineered Marine Products 26-03951 Lower Unit Gearcase Seal Kit for Johnson Evinrude V4 V6 V8 Outboards

Manufacturer

Engineered Marine Products

<h3>About Engineered Marine Products (EMP)</h3><p><strong>Engineered Marine Products</strong> — known throughout the industry as EMP — has been a trusted name in marine engine service parts for over 40 years. <a href="/13199-engineered-marine-products">EMP</a> supplies OEMs, distributors, dealers, and professional rebuilders worldwide with high-quality components designed to keep outboard, sterndrive, and inboard engines running reliably on the water.</p><p>What sets EMP apart is its unwavering commitment to OEM-grade engineering. Every component in the EMP catalog is manufactured to meet or exceed original equipment specifications, giving marine technicians and boat owners confidence that a part will fit correctly and perform consistently in demanding freshwater and saltwater environments.</p><h3>A Comprehensive Marine Parts Catalog</h3><p>EMP&apos;s product range spans virtually every critical system of a marine engine. The brand&apos;s catalog — organized around outboards, inboard/sterndrive, and specialty marine applications — covers fuel systems, gearcases, engine internals, cooling systems, steering and controls, seals and gaskets, transom components, and propellers. This breadth makes EMP a reliable single-source supplier for multi-system service jobs.</p><p>At the heart of the EMP lineup are <a href="/13199-engineered-marine-products-fuel-pumps-201310">marine fuel pumps</a>, including complete assemblies, VRO replacement units, and repair kits engineered to restore dependable fuel delivery across a wide range of Mercury, Mariner, Johnson, Evinrude, and other popular engine brands. Consistent fuel delivery is foundational to smooth starts and efficient engine operation, and EMP&apos;s fuel system offerings reflect that priority.</p><p>EMP is equally well-regarded for its <a href="/13199-engineered-marine-products-trim-and-tilt-units-201108">trim and tilt units</a> and associated <a href="/13199-engineered-marine-products-tilttrim-motors-201071">tilt/trim motors</a> — the hydraulic and electrical components that give boaters precise control over engine angle. Whether trimming out for high-speed performance or trimming in to navigate shallow water, a reliable tilt/trim system is essential, and EMP parts are engineered to hold up to the corrosive marine environment.</p><p>Below the waterline, EMP&apos;s <a href="/200345-drive-gearcase-parts-engineered-marine-products-13199">drive and gearcase parts</a> — including seal kits, bearing carriers, and clutch components for MerCruiser, OMC, Volvo Penta, Mercury, and other drives — provide the precision fitment that underwater gear systems demand. The brand also carries a broad selection of general RV &amp; marine replacement components suited for maintenance across a wide variety of watercraft.</p><h3>Why Marine Professionals Choose EMP</h3><ul style="list-style:disc"><li><strong>OEM-level fitment:</strong> Parts are designed to match original manufacturer specifications for accurate installation.</li><li><strong>Wide application coverage:</strong> EMP supports Mercury/Mariner, Johnson/Evinrude, MerCruiser, OMC, Volvo Penta, Yamaha, and more.</li><li><strong>Durability in harsh environments:</strong> Components are built to withstand saltwater exposure, vibration, and thermal stress.</li><li><strong>Trusted supply chain:</strong> Over four decades of distribution to OEMs, dealers, and rebuilders worldwide speaks to EMP&apos;s consistency and reliability.</li></ul><p>Whether you&apos;re a professional marine technician stocking a service bay or a boat owner tackling seasonal maintenance, Engineered Marine Products delivers the quality and fitment assurance that keeps engines running season after season.</p>

Part Number

26-03951
09/12/2036 12:24 PM
Sale Price

$76.54

In Stock (10+)

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Engineered Marine Products 26-03951 is a comprehensive lower unit gearcase seal kit designed for Johnson and Evinrude V4, V6, and V8 outboard motors manufactured from 1973 and later. This complete seal kit provides all the necessary seals and gaskets required to properly service and maintain the lower unit gearcase, ensuring reliable performance and preventing gear oil leaks.

Key Features:

  • Complete lower unit seal kit for Johnson/Evinrude V4, V6, and V8 outboards
  • Fits all models from 1973 and up
  • Includes all necessary seals and gaskets for complete lower unit service
  • Direct replacement for OEM parts
  • Quality aftermarket construction designed for marine environments

Replaces OEM Part Numbers: Johnson/Evinrude 5000411, 5006373; Sierra 18-8384; Mallory 9-74106

This seal kit is essential for routine lower unit maintenance, gearcase rebuilds, or whenever lower unit seals show signs of wear or leakage. Using a complete seal kit ensures proper sealing and helps extend the life of your outboard's lower unit components.

For shipping &quot;vast majority&quot; is not the same as &quot;guaranteed&quot;. Would be nice to have guaranteed services.

Hopefully its fast

so far so good

Easy internet access. fast shipping. justlike the advertise.

easy. great price. nice little extra discount with coupon code.

Check out was smooth and finding my part was rather easy. Im just slightly disappointed there is no information on enkie wheel caps for this part.

Quick and easy

I purchased an Optima Red Top 75 battery from Autoplicity and they have some of the best prices available. The item was shipped right away and they knew the inventory that was available, not like others who said there may be a 2 to 3 week shipping time frame. So far the service has been great and I look forward to continued great service.

They are excellent. They were able to send out my item as early as the next day. I am anticipating my product by early next week. Great!

Your website is a little clunky, but your prices are worth it :D The parts showed up on time and well packaged. I was a little freaked because I googled Autoplicity after I placed my order and saw some bad reviews online. My experience was fantastic. Keep

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