My Account
Shopping Cart

Quicksilver 8M0099218 Complete Gearcase Assembly 20" Long Shaft 1.92:1 Ratio

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

8M0099218
09/14/2036 3:22 PM
Sale Price

$3,652.75

In Stock (10+)

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Quicksilver 8M0099218 is a genuine OEM complete gearcase housing assembly designed specifically for Mercury 150 HP 4-cylinder, 4-stroke outboard engines. This factory-original lower unit assembly provides reliable power transfer from the engine to the propeller, ensuring optimal marine performance and longevity.

Key Specifications:

  • Gear ratio: 1.92:1 for balanced acceleration and top speed
  • Shaft length: 20 inches (long shaft configuration)
  • Pinion teeth: 13 teeth for precise power transfer
  • Color: Black finish with corrosion-resistant coating
  • Part number supersedes: 1600-8M0099218

Application:

  • Fits Mercury 150 HP 4-cylinder, 4-stroke outboard motors
  • Compatible with serial numbers 2B138363 and above
  • Complete assembly—ready to install with all internal components

This is a complete gearcase assembly manufactured by Mercury Marine under the Quicksilver brand, ensuring factory-level precision and durability. The assembly includes all internal gears, bearings, seals, and housing components needed for a complete lower unit replacement. As a genuine Mercury Marine part, it meets stringent marine industry standards for saltwater and freshwater applications.

Cheapest online. Delivery was quicker than Amazon.

easy order

Had the wheel I needed. Excited to get it in and first purchase with this company.

quick n fast with excellent service

Tire is a perfect fit and I received it in just 2 days! Thanks for the great service!!

Looks nice ! Packaged well.

Good pricing, product and shipping. A++

Very low prices

Very nice

Share icon
Return Policy
Returns are easy at Boatplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy