1. Boat Outboard Engines To Buy
  2. sku: 21752789022366604
  3. YAMAHA 6A1-45943-00-36

YAMAHA 6A1-45943-00-36 Prop Nos 1/4 4-A

fits make: Yamaha.

6a1-45943-00-36 Yamaha 7 1/4 X 4-a Plastic Prop New Oem Nos

( Manufacturer Part Number: 6A1-45943-00-36 ), ( Part Type: Prop ), ( Country Of Origin: Japan )

Review YAMAHA 1/4 4-a Plastic Prop New Oem Nos

The **Yamaha 6A1-45943-00-36 1/4" 4-A Propeller** is a meticulously engineered marine propeller designed for high-performance outboard engines, offering an optimal balance of efficiency, durability, and thrust output. Crafted from high-grade aluminum alloy, this four-blade propeller is precision-machined to Yamaha s exacting standards, ensuring smooth operation and maximum power transfer from the engine to the water. The **1/4" pitch** (measured in inches per revolution) is tailored for applications requiring moderate to aggressive acceleration, making it ideal for fishing boats, cruisers, and performance vessels where quick response and reliable propulsion are essential. The **4-A blade count** provides a harmonious blend of thrust and efficiency, reducing cavitation while delivering strong forward motion, even in choppy conditions. This propeller features Yamaha s proprietary **Aerofoil Blade Design**, which minimizes drag and enhances hydrodynamic performance, allowing for better fuel economy and reduced strain on the engine over time. The **hard-anodized finish** not only enhances corrosion resistance but also contributes to a sleek, professional appearance. Whether used on a compact center console or a mid-sized bowrider, the 6A1-45943-00-36 is engineered to deliver consistent, high-performance results, making it a dependable choice for boaters who demand precision and reliability in every outing.

### **Pros and Cons of buying a Yamaha 6A1-45943-00-36 (1/4" 4-A Prop Nozzle)**

#### **Pros:**

1. **High-Quality Construction** Yamaha is a well-known brand in marine and industrial equipment, known for durability and precision engineering. This prop nozzle is designed to withstand heavy use in marine applications.

2. **Compatibility with Yamaha Engines** As an OEM (Original Equipment Manufacturer) part, it is specifically designed to fit Yamaha outboard motors, ensuring a proper seal and optimal performance without modifications.

3. **Efficient Water Flow** The 4-A (4-hole) design provides balanced thrust and reduced cavitation, improving fuel efficiency and engine performance compared to older or generic nozzles.

4. **Reduced Wear on Engine** A properly functioning prop nozzle helps maintain proper water flow, reducing strain on the engine and impeller over time.

5. **Easy Installation** Since it is an OEM part, it should fit seamlessly with minimal adjustments, making replacement straightforward for most mechanics.

6. **Long Lifespan** High-quality materials and precise machining contribute to longevity, reducing the need for frequent replacements.

7. **Support for Performance** A well-functioning nozzle helps maintain top speed and handling, which is crucial for boating enthusiasts and commercial operators.

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#### **Cons:**

1. **Cost** As an OEM part, it may be more expensive than aftermarket alternatives, though the price reflects its quality and reliability.

2. **Limited Availability** Depending on the region, finding this exact part may require ordering from Yamaha s official distributors or authorized dealers, which could involve shipping delays.

3. **Potential Overkill for Light Use** If the boat is used infrequently or in calm waters, the performance benefits of this nozzle may not be fully realized, making it a less cost-effective upgrade.

4. **Replacement Difficulty for Non-Mechanics** While installation is generally straightforward, removing the old nozzle may require basic tools and some mechanical skill, which could be a challenge for inexperienced users.

5. **Compatibility Concerns with Modified Engines** If the engine has been heavily modified (e.g., with a different impeller or shaft), the nozzle may not perform optimally, requiring additional adjustments.

6. **Environmental Factors** Exposure to saltwater, debris, and UV rays can accelerate wear over time, though proper maintenance can mitigate this.

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### **Conclusion and Recommendation**

The **Yamaha 6A1-45943-00-36 (1/4" 4-A Prop Nozzle)** is a high-quality, reliable part that offers significant benefits for Yamaha outboard owners who prioritize performance, durability, and compatibility. Its advantages in efficiency, reduced engine strain, and long-term reliability make it a strong choice for frequent boaters, commercial operators, or those who want to maintain their engine s optimal condition.

However, the higher cost and potential overkill for light-use scenarios may not justify the purchase for casual or infrequent users. If budget is a concern, aftermarket alternatives (from reputable brands) may offer similar performance at a lower price, though they may not guarantee the same level of compatibility or warranty support.

**Final Recommendation:**

- **Buy it if:** You own a Yamaha outboard, use your boat regularly, and want to ensure peak performance and engine longevity. It is especially valuable for high-performance or commercial applications.

- **Consider alternatives if:** You are on a tight budget, use your boat sporadically, or are open to aftermarket options with proper research.

- **Best for:** Serious boaters, marine professionals, or anyone who wants to invest in a long-lasting, high-performance part without compromising on quality.

For most Yamaha outboard owners who value reliability and performance, this nozzle is a worthwhile investment. However, weigh the cost against your specific boating needs before purchasing.

Details:

It is a genuine Yamaha part, ensuring quality and compatibility with your boats propulsion system. This propeller is made of durable plastic and sized at 7 1/4 inches in diameter 4 pitch. The Yamaha 6A1-45943-00-36 7 1/4 X 4-A Plastic Prop is a brand new OEM part designed specifically for outboard engines.

part #: 6a1459430036 prices

  • $72.99-$100.00

specifications ouboaen:

  • for makes: Yamaha
  • mpn: 6a1-45943-00-36
  • part type: Prop
  • country of origin: Japan

general ouboaen:

  • condition: New
  • Boat Parts > Outboard Engines Components > Other

payments ouboaen:

  • wallet: Paypal
  • credit card: Mastercard
  • other

seller ouboaen:

  • rating: 99.7%
  • city: Cable, Ohio
  • # reviews: 903

returns ouboaen:

  • policy: Returns Accepted
  • paid by: Seller
  • time: 30 Days

shipping ouboaen:

  • service: UPS Ground
  • class: Standard
  • transit: 3-8 Days
  • carrier: UPS
  • type: Calculated
  • cost: $10.41

offer ouboaen:

  • availability: In Stock
  • sold: 0
  • started: February 2, 2026
  • options: Ship-to-home
  • quantity: 2
  • best offers: True
for makes: yamaha, part type: prop, country of origin: japan,
category: boat parts > outboard engines components, sku: 21752789022366604,
Yamaha 6A1-45943-00-36 Is Similar To:
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2 offers $72.99–$100.00 USD
  • New. Offer #1 priced at $100.00 + $0.00 shipping estimate = $100.00* total. New OEM Yamaha part # , 6A1-45943-00-EL-052 S, 7-1/4 X 4 - A.FREE SHIPPING
  • New. Offer #2 priced at $72.99 + $10.65 shipping estimate = $83.64* total. It is a genuine Yamaha part, ensuring quality and compatibility with your boat's propulsion system The Yamaha 7 1/4 X 4-A Plastic Prop is a brand new OEM part designed specifically for Yamaha outboard engines.+$10.65 shipping

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