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Quicksilver 8M0064020 OEM V-6 Outboard Alternator for Mercury Marine

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

8M0064020
09/14/2036 5:32 PM
Sale Price

$506.35

1 left at this price

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Usually delivered within 2 days

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No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Quicksilver 8M0064020 is a genuine OEM alternator designed for Mercury Marine V-6 outboard engines. As a factory-original replacement part, it delivers the precise fit, performance, and reliability required for Mercury Optimax, EFI, DFI, DTS, and Pro XS two-stroke outboard applications.

The alternator is a belt-driven electrical generator that converts engine mechanical energy into electrical power to continuously charge the cranking battery and supply power to critical onboard systems. Output increases with engine RPM, ensuring consistent charging across a wide range of operating conditions.

Key Features:

  • Genuine OEM part manufactured to Mercury Marine factory specifications
  • 12V / 50A output — Delco 5SI-series alternator
  • 4-groove serpentine pulley with internal regulator and internal fan
  • Clockwise (CW) rotation, negative ground polarity
  • SAE J1171 Marine Ignition Protection Certified for safe marine use
  • Direct replacement for previous Mercury part number 8M6013461
  • Sold individually — quantity of 1

OEM & Cross-Reference Part Numbers:

  • Mercury / Quicksilver: 8M0064020, 8M6013461, 875286A1, 881247A1, 889956, 828506, 875286T
  • Delco: 8600514, 19020704, 19020707
  • Sierra: 18-6455
  • Prestolite: 20115011TBA

Choosing a genuine Quicksilver OEM alternator ensures proper fitment and performance backed by Mercury Marine's limited parts warranty — the correct choice for restoring your outboard's charging system to factory condition.

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