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Quicksilver 70981A3 Exhaust Bellows for MerCruiser Sterndrive 470/485 898 228 250 260 280 330 Ford 233

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

70981A 3
09/16/2036 11:10 AM
Sale Price

$39.16

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The Quicksilver 70981A3 is an OEM exhaust bellows designed specifically for select MerCruiser sterndrive engines. This flexible, stepped-diameter composite bellows seals the exhaust passage through the bell housing, preventing water intrusion and protecting your sterndrive from corrosion and damage.

Key Features:

  • OEM Quality: Manufactured by Mercury Marine to original equipment specifications for guaranteed fit and performance
  • Stepped Diameter Design: Transitions from a 4-inch to 3-inch inner diameter to match the exhaust riser-to-elbow connection on compatible MerCruiser wet joint sterndrive systems
  • Composite Construction: Flexible, durable composite material engineered to withstand the high-heat and high-moisture marine exhaust environment
  • Complete Kit: Includes hose clamps to secure both ends of the bellows for a proper, leak-free installation
  • Easy Installation: Designed for straightforward replacement using common hand tools

Cross-Reference Part Numbers:

  • Mercury/MerCruiser: 70981A3, 70981, 70981B3
  • Sierra: 18-2762
  • GLM: 89070
  • Mallory: 9-72808

Replacing worn or cracked exhaust bellows is a critical part of routine sterndrive maintenance. A failed bellows can allow water to enter the exhaust system and engine compartment, leading to severe engine damage. Using a genuine Quicksilver OEM part ensures the correct fit and long service life for your MerCruiser sterndrive.

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