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Quicksilver 79831A1 Lower Unit Gear Housing Seal Kit 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

79831A1
09/12/2036 2:04 PM
Sale Price

$96.00

In Stock (9)

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Product Details

The Quicksilver 79831A1 Gear Housing Seal Kit is a genuine Mercury Marine OEM replacement seal kit designed for comprehensive lower unit maintenance on Mercury and Mariner outboard motors. This complete seal kit provides all the critical seals needed to rebuild and service the lower gearcase housing, ensuring proper lubrication retention and preventing water intrusion into the lower unit.

Key Features:

  • Genuine Mercury Marine OEM quality seal kit (Part Number 26-79831A1)
  • Complete seal package for lower unit gearcase service and rebuild
  • Precision-engineered seals designed to OEM specifications
  • Includes propeller shaft seals and housing seals for comprehensive coverage
  • Compatible with multiple Mercury/Mariner outboard configurations

Applications:

  • Mercury/Mariner 35-40 HP 2-cylinder outboards (1984-1997)
  • Mercury/Mariner 40-50 HP 4-cylinder outboards (1989-1997)
  • Mercury/Mariner 45-50 HP 4-cylinder outboards (1980-1990)
  • Mercury/Mariner 50-70 HP 3-cylinder outboards (1976-1990)

This seal kit is essential for proper lower unit maintenance and rebuild procedures. Using genuine Quicksilver seals ensures proper fit, durability, and reliable performance. Cross-reference numbers include Sierra 18-2654 and Force 5000309. Always verify your engine's serial number and configuration before ordering to ensure proper fitment, as Mercury/Mariner motors are identified by serial number ranges rather than model year alone.

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