23-31866

Introducing the Quicksilver 23-31866 Throttle Spacer for the 1976 Mercury Mariner 4.5 HP Outboard Motor. This essential accessory is designed to provide a more comfortable and secure grip for operators while offering improved throttle control.

Measuring 1.6 inches in width, 3.2 inches in height, and 2.8 inches in length, this throttle spacer is meticulously crafted to fit perfectly on your Mercury Mariner 1976 4.5 HP outboard motor's throttle. Its compact yet ergonomic design ensures a snug fit, minimizing any play or wobble, resulting in precise throttle response.

Made from high-density, durable foam, this throttle spacer offers excellent grip and shock absorption, reducing hand fatigue during long hours on the water. Its smooth, textured surface allows for a secure and comfortable grip, even when wet or in cold conditions.

Installation is quick and easy, requiring no tools or modifications to your motor. Simply slide the spacer onto the throttle control and secure it in place. With its streamlined design, this throttle spacer not only enhances the functionality of your outboard but also adds an attractive aesthetic touch.

Investing in the Quicksilver 23-31866 Throttle Spacer for your 1976 Mercury Mariner 4.5 HP Outboard Motor is a smart choice for boaters seeking improved throttle control, comfort, and durability. With its precise dimensions and snug fit, this spacer is an excellent addition to your boating equipment, ensuring a more enjoyable and productive day on the water.

Quicksilver 23-31866 Throttle Spacer for 1976 Mercury Mariner: A Detailed Analysis

The Quicksilver 23-31866 Throttle Spacer is a popular aftermarket part designed to enhance the performance of outboard motors. This particular throttle spacer is specifically engineered for the 4.5 HP Mercury Mariner outboard engine. In this analysis, we will discuss the key features, benefits, and potential drawbacks of this throttle spacer to help you make an informed decision.

1. Designed for 1976 Mercury Mariner 4.5 HP outboard engines

2. Made from high-quality, durable materials

3. Enhances throttle response and engine performance

4. Easy to install

1. Improved throttle response: The throttle spacer allows for smoother and quicker throttle movement, resulting in better acceleration and overall performance.

2. Increased fuel efficiency: By optimizing the engine's air-fuel mixture, the throttle spacer can help improve fuel efficiency, leading to longer run times and fewer trips to the gas station.

3. Easy installation: The throttle spacer can typically be installed in a matter of minutes, using common tools and without the need for professional assistance.

1. Potential for increased noise: Some users have reported that the throttle spacer can cause an increase in engine noise, which may be a concern for those seeking a quieter boating experience.

2. Cost: The Quicksilver 23-31866 Throttle Spacer may be more expensive than some other aftermarket options, which could be a deciding factor for budget-conscious consumers.

The Quicksilver 23-31866 Throttle Spacer for the 1976 Mercury Mariner 4.5 HP outboard engine offers several benefits, including improved throttle response, increased fuel efficiency, and easy installation. However, potential drawbacks such as increased noise and cost should be considered before making a purchase. Ultimately, if the benefits outweigh the drawbacks for your specific boating needs and budget, the Quicksilver Throttle Spacer could be a worthwhile investment.

If you are looking to enhance the performance of your 1976 Mercury Mariner 4.5 HP outboard engine and are willing to accept the potential for increased noise and additional cost, the Quicksilver 23-31866 Throttle Spacer is a solid choice. However, if noise levels are a concern or you are working with a tight budget, it may be worth exploring alternative options or considering upgrading other components of your outboard engine.

Details:

Polaris oem flat washer 7558301 qty 4. The image to watch on YouTube. It ensures proper spacing and sealing within the carburetor assembly for optimal fuel delivery engine performance.fitment confidence score: 100%. Spotlight: a day inside .

Fits: fits 1976-1993 Mercury Mariner 4.5-25hp outboard engines. This genuine Quicksilver oem throttle spacer dimensions: .256 x .313 .625 is designed for various Mercury and Mariner outboard engines.

specifications inboardfuel:

• for models: Mariner
• for makes: Mercury
• for years: 1976
• brand: Quicksilver
• mpn: 23-31866
• part type: Hp Throttle Spacer
• country of origin: United States
• manufacturer warranty: Unspecified Length
• storage location: B1 Sma-n Buk 19 Bin 2

returns inboardfuel:

• paid by: seller
• policy: returns accepted
• time: 30 days

offer inboardfuel:

• started: november 28, 2025
• availability: in stock
• prices: $2.95–$85.00
• item condition:
  • New other (see details)
  • New
• best offers: true
• in stock #: 5
• options: ship-to-home
• sold #: 13

general inboardfuel:

• category: Boat Parts > Inboard Engines Components > Intake Fuel Systems

shipping inboardfuel:

• class: standard, expedited, one-day
• service: usps ground advantage, usps priority mail, fedex 2day, overnight
• type: fixed
• transit: 5-11 days
• carrier: usps, fedex

seller inboardfuel:

• # reviews: 1981 94
• rating: 99.1%
• city: odessa, florida

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• credit card: diners-club
• wallet: paypal

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