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Quicksilver 430331 Gear Housing Gasket for MerCruiser Alpha One Gen II

Manufacturer

Quicksilver

<h3>Quicksilver: The Marine Enthusiast&apos;s Trusted OEM Brand</h3><p>For boaters who refuse to compromise on quality, <strong>Quicksilver</strong> has been the benchmark for marine parts, accessories, and engine care products since 1950. Based in Fond du Lac, Wisconsin, Quicksilver operates as the parts and accessories brand of Mercury Marine — and that heritage is central to everything it makes. As the only marine aftermarket brand manufactured and recommended by an original-equipment manufacturer, Quicksilver brings factory-level engineering directly to boat owners, professional technicians, and weekend warriors alike.</p><p>What sets Quicksilver apart from generic aftermarket suppliers is its direct lineage to the engineers who designed the engines in the first place. Every component is engineered, tested, and manufactured with the same exacting standards as the original equipment it replaces. The result is a product line that fits right the first time and delivers the reliability boaters depend on — whether they&apos;re navigating calm inland lakes or pushing through demanding saltwater conditions.</p><p>Quicksilver&apos;s catalog spans more than 40,000 parts across 12 product lines, covering outboard and sterndrive engines from Mercury, Mariner, Yamaha, Honda, Evinrude, Johnson, Suzuki, and more. Among the most critical components in that lineup are Quicksilver Fuel Pumps, which are built to deliver factory fit and consistent fuel delivery across a wide range of outboard applications. Reliable fuel delivery is the foundation of engine performance, and Quicksilver&apos;s fuel system components are engineered to handle the demanding conditions of marine use — including compatibility with current fuel formulations.</p><p>Beyond fuel systems, Quicksilver is a go-to source for Propeller Parts &amp; Accessories that help boaters maintain and optimize their propulsion systems. From hub kits that protect both prop and gearcase to installation hardware and prop tools, these components are designed to the same tolerances as the drives they support. Proper propeller maintenance is one of the most impactful things a boat owner can do for performance, efficiency, and engine longevity — and Quicksilver makes that job straightforward.</p><p>The brand&apos;s commitment extends across lubricants, impellers, thermostats, anodes, fuel filters, oil filters, maintenance kits, and complete service packages — all engineered for the marine environment and tested to meet or exceed the standards of major engine manufacturers. Whether you&apos;re performing routine seasonal maintenance or tackling a more involved repair, Quicksilver provides the parts that restore your engine to peak operating condition.</p><ul style="list-style:disc"><li>OEM-backed engineering from Mercury Marine</li><li>Compatible with Mercury, Yamaha, Honda, Evinrude, Johnson, Suzuki, and Mariner engines</li><li>Over 40,000 parts spanning 12 product lines</li><li>Formulated and tested for freshwater and saltwater environments</li><li>Trusted by DIY boaters and professional marine technicians since 1950</li></ul><p>When reliability on the water is non-negotiable, Quicksilver delivers the peace of mind that only a true OEM-backed brand can provide.</p>

Part Number

430331
09/12/2036 11:41 AM
Sale Price

$8.22

In Stock (10+)

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Usually delivered within 2 days

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Fitment guaranteed

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Product Details

The Quicksilver 430331 gear housing gasket is an OEM replacement gasket designed to provide a reliable seal for the gear housing on select Mercury Marine engines. This precision-engineered gasket ensures proper sealing to prevent water intrusion and maintain optimal performance of your sterndrive or outboard motor.

Compatible Applications:

  • MerCruiser Alpha One Gen II sterndrives
  • Mercury and Mariner 40-60hp 4-stroke Big Foot outboards
  • Mercury and Mariner 60hp (3-cylinder) Big Foot outboards
  • Mercury and Mariner 75-115hp 2-stroke outboards (USA serial No. A996142 and above, Belgium serial No. 9483121 and above)
  • Mercury and Mariner 75-115hp EFI 4-stroke outboards
  • Mercury 150hp EFI 4-stroke outboards
  • Mercury V-200 (3.0L) DFI outboards
  • Mercury 135-300hp Verado outboards
  • Mercury V-225/250 (3.0L) outboards

Key Features:

  • Genuine Mercury Marine OEM part manufactured to exact factory specifications
  • Engineered for precise fit and long-lasting durability
  • Easy installation with common shop tools
  • Tested through rigorous quality control procedures to ensure reliability

As a genuine Quicksilver part, this gasket provides the quality and peace of mind that comes with over 65 years of marine industry leadership. Quicksilver products are designed and tested specifically for Mercury Marine applications, ensuring optimal performance and engine protection. Always consult your owner's manual or service manual for specific installation instructions and to verify compatibility with your engine model.

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