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Engineered Marine Products EMP-107B Hub Kit Honda 4.25/4.75 Bolt Circle with Grease Caps

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

EMP-107B
09/17/2036 12:06 AM
Sale Price

$36.91

In Stock (7)

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Usually delivered within 2 days

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Fitment guaranteed

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Product Details

The Engineered Marine Products EMP-107B is a marine trailer hub kit designed for use with Honda outboard-powered boats. This hub kit features dual bolt circle compatibility, fitting both 4.25-inch and 4.75-inch bolt circle patterns, making it a versatile solution for a range of marine trailer axle configurations. The greaseable (GRCS) design allows for routine lubrication maintenance to extend bearing and hub life in harsh saltwater and freshwater environments.

Key Features:

  • Dual bolt circle compatibility: 4.25" and 4.75" bolt patterns
  • Greaseable (GRCS) hub design for easy field maintenance
  • Engineered specifically for marine trailer applications
  • Compatible with Honda outboard motor-equipped boat trailers
  • Manufactured by Engineered Marine Products, a trusted name in marine trailer hardware

Engineered Marine Products specializes in high-quality marine trailer components built to withstand the rigors of saltwater and freshwater use. The EMP-107B hub kit provides a reliable, serviceable hub assembly that helps keep your trailer running safely and smoothly season after season.

It was very simple to order the part I needed.

Great price, fast delivery.

Awesome experience. Price of my purchase was $30 cheaper than everyone else for the same exact product. Shipping was fast and the communication about the shipping was excellent. I'll certainly will be purchasing again. Keep up the awesome customer service.

Great price and easy to order. The website says free freight, when checking out it populated $9.99 shipping. I could not get this to go away. Still a great deal

It was great and quick

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