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Quicksilver 71464A01 Automatic Choke Thermostat for Rochester 2bbl & Quadrajet Carburetors

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

71464A01
09/16/2036 12:04 PM
Sale Price

$103.75

4 left at this price

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Product Details

The Quicksilver 71464A01 Automatic Choke Thermostat is a genuine OEM replacement choke thermostat spring designed for MerCruiser inboard marine engines equipped with Rochester 2-barrel and Quadrajet 4-barrel carburetors. This divorced choke thermostat mounts directly to the intake manifold surface, where it uses engine heat to automatically regulate choke operation for reliable cold-start performance and smooth warm-up.

The divorced (also called crossover) choke design routes heat from the intake manifold through a bimetal thermostat spring to open the choke plate progressively as the engine reaches operating temperature. This ensures proper fuel-air mixture enrichment at startup without causing over-rich running conditions once the engine warms up.

Key Features:

  • Genuine OEM Quicksilver / Mercury Marine part
  • Divorced choke design — mounts on the intake manifold surface
  • Compatible with Rochester 2bbl (2-barrel) and Quadrajet 4-barrel marine carburetors
  • Bimetal thermostat spring provides automatic, temperature-sensitive choke control
  • Direct OEM replacement — no modification required
  • Sold as a single unit

Cross-Reference Part Numbers: 71464, 72625, Sierra 18-7667, RN0173

This choke thermostat is the correct OEM solution for restoring proper automatic choke function on MerCruiser sterndrive engines. Using a genuine Quicksilver part ensures correct calibration and fit for dependable marine engine starting and operation.

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