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Quicksilver 8M0221731 Throttle Position Sensor

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

8M0221731
09/12/2036 5:31 AM
Sale Price

$112.18

In Stock (10+)

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Usually delivered within 2 days

free shipping

FREE SHIPPING

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Quicksilver 8M0221731 Throttle Position Sensor is a genuine Mercury Marine replacement component designed to monitor throttle position and communicate engine load data to the ECM (Engine Control Module). This sensor is critical for proper fuel delivery, ignition timing, and overall engine performance on Mercury and Mercruiser marine engines.

Key Features:

  • Genuine Quicksilver OEM part ensures perfect fit and function
  • Direct replacement for worn or failed throttle position sensors
  • Precise throttle position monitoring for optimal engine performance
  • Helps maintain fuel efficiency and smooth throttle response
  • Designed and tested to Mercury Marine specifications

A faulty throttle position sensor can cause rough idle, poor acceleration, increased fuel consumption, or difficulty starting. This genuine Quicksilver replacement ensures your engine management system receives accurate throttle data for reliable marine engine operation.

Shipping was extremely fast a on a hard to find Item, The price with free shipping was better than buying elsewhere with paid shipping I am very satisfied

Easy website

VERY EASY TO ORDER AND CHECK OUT.

Wow, the price was unbeatable and the delivery was quick. The props came in perfect condition, couldn't be happier.

Very fast delivery

Just received items, have not had the chance to install and test yet.

went well

Very easy I would do it again

Price was great but shipping was high

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