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Quicksilver 8M0205729 Gear Housing Outer Oil Seal for Mercury Outboard Motors

Manufacturer

Quicksilver

<h3>About Quicksilver</h3><p><strong>Quicksilver</strong> has been a cornerstone of the marine industry since 1950, delivering the parts, accessories, and engine care products that keep boats running at their best. A division of Brunswick Corporation and closely aligned with Mercury Marine, Quicksilver has grown into one of the most trusted names on the water — offering more than 40,000 parts across a broad range of product lines designed for both the weekend boater and the seasoned marine professional.</p><p>What sets Quicksilver apart is its unique position as the premier supplier of Mercury Marine Original Equipment replacement parts, while simultaneously serving owners of nearly every major marine engine brand. Whether your vessel is powered by Mercury, Mariner, Honda, Yamaha, Evinrude/Johnson, or Suzuki, Quicksilver produces components engineered to fit and perform like the originals. This cross-brand compatibility, combined with factory-level quality standards, is why boaters worldwide have made Quicksilver their go-to source for maintenance and repair.</p><p>The Quicksilver catalog spans the full spectrum of marine maintenance needs. At its core are <a href="/7456-quicksilver-fuel-pump-6244">fuel pumps</a> and complete fuel pump and carburetor kit solutions that keep fuel delivery systems operating reliably under demanding on-water conditions. For those needing a broader fuel system overhaul, Quicksilver&apos;s lineup of <a href="/7456-quicksilver-fuel-pumps-201310">fuel pumps</a> covers outboard and sterndrive applications alike. Above the waterline, few components are as performance-critical as the prop, and Quicksilver&apos;s extensive range of <a href="/200673-propellers-quicksilver-7456">propellers</a> — from aluminum to stainless steel — gives boaters the ability to tune their vessel&apos;s performance to their exact needs. Rounding out the drivetrain, Quicksilver also offers precision-engineered <a href="/7456-quicksilver-drives-gearcases-transoms-200346">drives, gearcases, and transom components</a> that are essential for maintaining the mechanical heart of sterndrive and inboard systems.</p><p>Quicksilver products undergo rigorous testing and engineering validation — the result of decades of R&amp;D conducted alongside Mercury Marine&apos;s own engineering teams. The brand&apos;s commitment to quality means that each part meets or exceeds OEM specifications, giving do-it-yourself boaters and marine technicians alike the confidence that a Quicksilver repair will hold up season after season. From freshwater lakes to demanding saltwater environments, Quicksilver is built for wherever your adventures take you.</p>

Part Number

8M0205729
09/15/2036 8:08 AM
Sale Price

$17.06

In Stock (7)

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Usually delivered within 2 days

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Product Details

The Quicksilver 8M0205729 is a genuine OEM gear housing outer oil seal designed specifically for Mercury Marine outboard motors ranging from 30 to 150 horsepower. This propeller shaft seal is a critical component that creates a watertight barrier to prevent gear oil leakage and maintain proper lubrication in the lower unit gear housing.

Key Specifications:

  • Outside Diameter: 1.754 inches (45mm)
  • Shaft Size: 1.185 inches (30mm)
  • Width: 0.360 inches (9.1mm)
  • Constructed from durable CR rubber and metal for reliable performance

Features and Benefits:

  • Prevents oil leakage and maintains proper gear housing lubrication
  • Keeps dirt, water, and contaminants out of the lower unit
  • Extends motor longevity by ensuring optimal seal integrity
  • Direct OEM replacement for Mercury Marine original equipment

Replaces Part Numbers: Mercury Marine 26-70081, Chrysler/Force/US Marine 26-70081, Sierra 18-2053, GLM 85530, Mallory 9-76115, and Honda 91255-ZW1-003. This seal fits Mercury Marine 30, 40, 45, 50, 55, 60, 65, 70, 75, 80, 90, 100, 115, 120, 125, and 150 HP outboard engine models, as well as select Honda 75 HP and 90 HP outboard motors.

Delivery was very fast. I didn't expect to receive it so soon.

Fast shipping

The best price I found

Super easy wes sight to manage

Website was easy to navigate as well as the ordering process. Received exactly what I ordered in a very timely manner.

Yay

Delivered earlier than scheduled. Product is great!

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