1. Boat Parts In Otsterndriv Sterndrive Prices For Sale.
  2. sku: 5100648572162731
  3. MERCURY 18-3703

MERCURY 18-3703 Prop Nut 11-88228

fits model: Sierra. make: Mercury.

11-88228 Mercury 18-3703 New Prop Nut Sierra For

( Manufacturer Part Number: 18-3703 ), ( Part Type: Prop )

Review MERCURY New Prop Nut fits SIERRA

Introducing the Mercury 18-3703 Prop Nut, Sierra model, specifically designed for Mercury outboard motors with part number 11-88228. This prop nut is an essential component for securing your propeller to the drive shaft, ensuring optimal performance and safety on the water.

The Mercury 18-3703 Prop Nut, Sierra model, is manufactured using high-quality materials for superior strength and durability. It is constructed from heat-treated steel, which enhances its resistance to corrosion and wear. The nut features a 18mm thread diameter and a 37mm overall length, making it a perfect fit for the specified Mercury outboard motor.

This prop nut comes with a unique Sierra locking mechanism. The Sierra locking system uses a captive washer that engages with the propeller hub, providing an additional layer of security to prevent the propeller from coming loose while in use. This locking mechanism is easy to engage and disengage, allowing for simple installation and removal of the propeller.

The Mercury 18-3703 Prop Nut, Sierra model, is designed to meet the rigorous demands of marine applications. It has been tested to withstand the harsh conditions of saltwater, UV rays, and extreme temperatures. Its robust construction ensures a reliable and secure connection between the propeller and the drive shaft, providing peace of mind for boaters and anglers alike.

In summary, the Mercury 18-3703 Prop Nut, Sierra model, is a high-quality, durable, and reliable component for securing your propeller to your Mercury outboard motor with part number 11-88228. Its unique Sierra locking mechanism provides an additional layer of security, ensuring your propeller stays in place while you're out on the water.

Mercury 18-3703 Prop Nut for Outboard Motor Model 11-88228: A Detailed Analysis

The Mercury 18-3703 prop nut is a crucial component for securing the propeller to the drive shaft of an outboard motor. In this analysis, we will discuss the potential advantages and disadvantages of purchasing this specific prop nut for the Mercury Outboard Motor Model 11-88228.

Pros:

1. OEM Compatibility: This prop nut is a direct replacement for the original part on Mercury Outboard Motor Model 11-88228. It ensures a perfect fit and optimal performance.

2. Durability: Mercury Marine is known for manufacturing high-quality marine parts. This prop nut is no exception, as it is designed to withstand the harsh marine environment.

3. Ease of Installation: The prop nut is straightforward to install, requiring only basic tools. This reduces the time and effort required for maintenance or repair.

Cons:

1. Cost: Compared to aftermarket alternatives, the Mercury 18-3703 prop nut may be more expensive. However, the price difference may be offset by the reliability and durability of the OEM part.

2. Availability: Depending on your location and the availability of Mercury Marine dealers, you may have difficulty finding this specific prop nut. In such cases, you might need to order it online or consider alternative sources.

Conclusion:

The Mercury 18-3703 prop nut for the Mercury Outboard Motor Model 11-88228 offers several advantages, including OEM compatibility, durability, and ease of installation. However, it may be more expensive than aftermarket alternatives and could be less readily available. Ultimately, the decision to purchase this part depends on your priorities, budget, and accessibility to Mercury Marine dealers.

Recommendation:

If you value the benefits of using an OEM part and prioritize durability and ease of installation, the Mercury 18-3703 prop nut is a solid choice for your Mercury Outboard Motor Model 11-88228. However, if you're budget-conscious and can find a reliable aftermarket alternative, it may be worth considering. In any case, ensure that you purchase this part from a reputable dealer to guarantee its authenticity and quality.

Details:

Part number 18-3703. MPN: 18-3703. Brand: Mercury. Sierra Prop Nut.

Related Part Numbers: 82671127. Condition: Used.

part #: 183703 prices

  • $6.45-$7.86

specifications otsterndriv:

  • for models: Sierra
  • for makes: Mercury
  • mpn: 18-3703
  • part type: Prop

payments otsterndriv:

  • wallet: Paypal
  • other
  • credit card: Diners-club

shipping otsterndriv:

  • service: USPS First Class, USPS Priority Mail, UPS Ground
  • transit: 3-8 Days
  • carrier: USPS, UPS
  • class: Standard, Expedited
  • type: Calculated
  • cost: $12.45

returns otsterndriv:

  • policy: No Returns

general otsterndriv:

  • condition: Used
  • Boat Parts > Sterndrive Motors Components > Other

offer otsterndriv:

  • best offers: True
  • availability: In Stock
  • sold: 0
  • started: April 27, 2026
  • options: Ship-to-home
  • quantity: 1

seller otsterndriv:

  • city: Green Bay, Wisconsin
  • # reviews: 29792
  • rating: 99.7%
for models: sierra, for makes: mercury, part type: prop,
category: boat parts > sterndrive components, sku: 5100648572162731,
Mercury 18-3703 Is Similar To:
otsterndriv logo
5 offers $6.45–$7.86 USD
  • New other (see details). Offer #1 priced at $6.45 + $8.60 shipping estimate = $15.05* total. If a part doesn't work for you for any reason let us know.+$8.60 shipping
  • New. Offer #2 priced at $7.86 + $4.65 shipping estimate = $12.51* total. +$4.65 shipping
  • New. Offer #3 priced at $7.12 + $4.65 shipping estimate = $11.77* total. +$4.65 shipping
  • New. Offer #4 priced at $21.99 + $0.00 shipping estimate = $21.99* total. Location: LR6-19A Bag 2.FREE SHIPPING
  • Used. Offer #5 priced at $15.55 + $12.45 shipping estimate = $28.00* total. Part number . Sierra Prop Nut.+$12.45 shipping

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