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Quicksilver 65533A1 Stern Drive Gimbal Housing Transom Seal for MerCruiser MC-I R MR Alpha One

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

65533A 1
09/15/2036 6:42 AM
Sale Price

$16.67

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The Quicksilver 65533A1 Gimbal Housing Transom Seal is an OEM-specification replacement seal designed to seat at the perimeter of the gimbal ring mating surface on MerCruiser stern drives. This seal creates a critical watertight barrier between the gimbal housing and the transom, protecting the transom assembly from water intrusion. It is engineered specifically for MerCruiser MC-I, R, MR, and Alpha One stern drives equipped with trim senders mounted on the sides of the gimbal ring, covering applications through 1990.

As a genuine Quicksilver part, this seal is manufactured to Mercury Marine's original equipment specifications, ensuring proper fit, function, and long-term durability in the demanding marine environment. Best practice is to replace this seal any time the gimbal housing is removed during service.

Key Features:

  • OEM replacement seal engineered to Mercury Marine original equipment specifications
  • Seats at the perimeter of the gimbal ring mating surface for a reliable, watertight fit
  • Designed for MerCruiser MC-I, R, MR, and Alpha One stern drives (1990 and older) with trim senders on the sides of the gimbal ring
  • Recommended for replacement any time the gimbal housing is removed
  • Sold as a single seal

Cross-Reference Part Numbers:

  • Mercury / Quicksilver: 65533A1
  • Sierra: 18-2692
  • GLM: 86712
  • Mallory: 9-74113

Consult your MerCruiser owner's manual or service manual to confirm the correct application and for proper installation instructions.

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