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Quicksilver 8M6010302 Thermostat 143°F for Evinrude Johnson OMC 2-Stroke Outboards

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

8M6010302
09/15/2036 10:02 AM
Sale Price

$17.21

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Product Details

The Quicksilver 8M6010302 is a 143°F replacement thermostat engineered to OEM specifications for select Evinrude, Johnson, and OMC 2-stroke outboard engines. Designed as a direct-fit replacement, this thermostat helps maintain proper engine operating temperature to protect against overheating and ensure reliable performance on the water.

Key Features:

  • 143°F (62°C) thermostat engineered to meet OEM specifications
  • Compatible with select 6–55hp Evinrude, Johnson, and OMC 2-stroke outboards
  • Also compatible with V4 and V6 Crossflow outboard engines
  • Thermostat only — hardware, gaskets, and seals sold separately
  • Replaces OEM part numbers: 434841, 378065, 393659
  • Aftermarket cross-reference: Sierra 18-3553

Refer to your engine's owner's manual or service manual for specific application details and installation procedures. This thermostat is a thermostat-only replacement; all associated hardware, gaskets, and seals must be sourced separately.

The ability to be able to track the package was not very good. No kind of order feedback available other than speaking with customer service.

The process was easy and great. I got my product within about 2 days. I would order from this company again.

Great pricing.

Great Experience!

Very happy with parts.

I will definitely order from you guys again!

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