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Quicksilver 51100007P Alpha One Gen II Sterndrive 2.00:1 Ratio Standard Rotation

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

51100007P
09/14/2036 4:45 PM
Sale Price

$2,151.99

In Stock (10+)

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Usually delivered within 2 days

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Fitment guaranteed

Fitment guaranteed

Product Details

This brand-new, genuine Quicksilver OEM outdrive is built to match factory specifications for MerCruiser Alpha I Gen II sterndrives and is ideal for a wide range of applications from recreational boating to professional marine service. Replaces MerCruiser Gen 2 alpha outdrives 1991+.

Key Features:

  • 2:00:1 Ratio Standard Rotation
  • Includes both upper and lower units pre-assembled and ready for installation
  • Perma-lube U-joints, corrosion resistant XK-360 alloy, tri-paint protection system, stainless steel shafts, ultra-pure aluminum anodes and genuine Quicksilver water pump impeller
  • Compatible with Flo-Torque II hubs and engines using remote drive lube reservoirs
  • Recommended for single installation 3.0L Alpha sterndrive engines up to 150 HP used in runabouts and pontoon boats

Using proprietary forged gear sets, Quicksilver Alpha One Gen II sterndrives provide years of durable and quiet operation for a safe and sophisticated boating experience like none other. Built from marine-grade components and engineered for superior hydrodynamics and strength, it's perfect for long-term use in both freshwater and saltwater environments.

Important Note: Gimbal housing, cylinders and prop sold separately.

I found the part I need for my boat at Boatplicity and placed the order. The price was fair and I received the part in just a few days. It was exactly the part I needed and worked great. I would recommend Boatolicity for all your boating needs.

Quick, Easy to use, great prices! Very excited to have found this!!

First time buyer time will tell

Easy to find, and place order. Communication was good once it shipped.

Great service

I paid the 2 day delivery price yet the package took longer than 2 days.

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