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Quicksilver 814263A 1 Engine Motor Mount Base Assembly for MerCruiser

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

814263A 1
09/15/2036 12:50 AM
Sale Price

$114.05

In Stock (10+)

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Usually delivered within 2 days

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No Hassle Returns

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Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Quicksilver 814263A1 Motor Mount Base Assembly is a genuine OEM replacement engine mounting component designed for MerCruiser sterndrive and inboard marine engines. This base assembly serves as the structural foundation of the engine mounting system, securing the powerplant to the boat stringer and absorbing vibration for smooth, reliable operation on the water.

Key Features:

  • Genuine OEM Part — manufactured to Mercury Marine factory specifications for a precise, confidence-inspiring fit
  • 3/4" mount stud compatibility — designed to work with standard MerCruiser 3/4" motor mount hardware
  • 4" center-to-center mounting hole spacing — matches factory stringer mounting patterns
  • 1/2" I.D. mounting holes — compatible with standard hardware for straightforward installation
  • Broad engine compatibility — suits MerCruiser V6, V8, and diesel inboard/sterndrive engines

Cross-Reference Part Numbers:

  • Quicksilver / Mercury Marine: 814263A 1
  • Supersedes / Also replaces: 66284A2, 330200, 812430A1

This mount base assembly is a direct OEM replacement that restores factory engine positioning and stability. Proper motor mount condition is critical to maintaining engine alignment, protecting drivetrain components, and minimizing vibration transfer to the hull.

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