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  3. OMC 783469

OMC 783469 Pitch Prop Outboards Spline 14.25 90-300

fits make: Evinrude, Johnson, Omc. year: 2015–2021.

783469 Omc 14.25 X 21 Pitch Prop 90-300 Hp Evinrude Johnson Outboards 15 Spline

( Brand: Omc ), ( Manufacturer Part Number: 783469 ), ( Part Type: Hp Prop ), ( Propeller Rotation: Standard )

Review OMC 14.25 Pitch Prop 90-300 Hp Evinrude Johnson Outboards Spline fits 2015–2021

The **OMC 783469 14.25" 21-Pitch Propeller** is a high-performance, precision-engineered marine propeller designed exclusively for **Evinrude Johnson outboards** in the **90 300 hp** range, featuring a **15-spline shaft interface** for optimal power transfer and durability. Crafted from **marine-grade stainless steel**, this propeller is built to withstand the demands of high-speed cruising, deep-V planing, and heavy-duty applications, ensuring long-lasting performance even under the most challenging conditions. With a **14.25-inch diameter** and a **21-pitch ratio**, this propeller strikes an ideal balance between acceleration, top-end speed, and fuel efficiency, making it perfect for boats ranging from sporty performance vessels to versatile workboats. The **optimized blade design** enhances hydrodynamic efficiency, reducing cavitation and improving thrust while minimizing vibration, which translates to a smoother ride and reduced wear on the engine. Whether you're towing a wakeboarder, cruising at high speeds, or navigating rough waters, this propeller delivers **exceptional traction and control**, allowing your Evinrude Johnson outboard to operate at peak efficiency across its entire power range. Its **15-spline shaft compatibility** ensures a secure, vibration-dampening connection, further extending the lifespan of both the propeller and the engine. Built to meet **rigorous industry standards**, this propeller is a premium choice for anglers, boaters, and performance enthusiasts who demand reliability, speed, and precision in every outing.

### **Pros and Cons of buying a OMC 783469 (14.25" 21-Pitch Prop, 90 300 HP Evinrude/Johnson Outboards, 15-Spline Shaft)**

#### **Pros**

1. **Versatile Power Range (90 300 HP)** This prop is designed for mid-sized outboards, making it suitable for a wide range of boats, from fishing vessels to cruisers and performance boats. The 90 300 HP range allows for flexibility in engine selection, ensuring compatibility with both fuel-efficient and high-performance setups.

2. **21-Pitch Propeller** The 21-pitch design balances efficiency and speed, making it ideal for moderate to high-speed applications. This pitch helps maintain a good balance between acceleration and cruising performance, reducing fuel consumption compared to lower-pitch props while still providing decent top-end speed.

3. **14.25" Diameter** This size is well-suited for boats in the 16 22 ft range, offering a good compromise between maneuverability and power delivery. Smaller props (under 14") may struggle with larger boats, while larger ones (above 15") can be overly aggressive for this power range.

4. **15-Spline Shaft Compatibility** The 15-spline shaft is a common standard for modern outboards, ensuring easy installation and availability of replacement parts. This makes maintenance and upgrades simpler compared to less common shaft types.

5. **Durability and Performance** OMC (Outboard Marine Corporation) is a reputable brand known for quality propellers. A well-designed 21-pitch prop in this power range should handle daily use, fishing, and recreational boating with reliability.

6. **Evinrude/Johnson Compatibility** Since this prop is designed for both Evinrude and Johnson outboards, it offers flexibility in engine choice without sacrificing performance. Both brands are known for strong aftermarket support and parts availability.

7. **Good for Fishing and Cruising** The 21-pitch and moderate diameter make this prop effective for both trolling and planing, which is beneficial for anglers who need to cover water quickly while also maintaining control in rough conditions.

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#### **Cons**

1. **Limited Top-End Speed** While the 21-pitch is efficient, it may not be optimal for extreme high-speed applications (e.g., wakeboarding or high-performance racing). Boaters seeking maximum speed may prefer a lower-pitch prop (e.g., 18 20 pitch).

2. **Potential for Cavitation at Higher HP** At the upper end of the 90 300 HP range (especially near 300 HP), a 21-pitch prop may experience cavitation if the boat is heavily loaded or the engine is tuned for maximum power. This can reduce efficiency and cause noise/vibration.

3. **Not Ideal for Lightweight Boats** If the boat is very light (e.g., a small bass boat or tender), the 14.25" diameter and 21-pitch may struggle to provide enough thrust, leading to poor acceleration. A smaller, higher-pitch prop might be more appropriate.

4. **Wear and Tear on Engines** Higher-pitch props (like 21) can put more stress on the engine and transmission, especially in rough water. This may lead to increased wear over time if the boat frequently operates in choppy conditions.

5. **Replacement Costs** OMC propellers are generally durable, but if damaged (e.g., from striking debris or cavitation), replacements can be costly. The price of a new prop in this range may be higher than budget-friendly alternatives.

6. **Mismatch Risk with Poorly Tuned Engines** If the engine is not properly tuned or the boat s weight distribution is off, the prop may not perform optimally. For example, a 300 HP engine paired with a heavy boat could make the 21-pitch too slow, while a light boat with the same engine could cause excessive strain.

7. **Limited Customization Options** Unlike some high-performance props, this is a standard design. Boaters looking for specialized performance (e.g., ultra-high-speed or deep-V tuning) may need to consider custom props instead.

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### **Conclusion**

The **OMC 783469 (14.25" 21-Pitch Prop for 90 300 HP Evinrude/Johnson Outboards, 15-Spline)** is a well-rounded propeller that excels in moderate-speed applications, making it ideal for fishing, cruising, and general recreational boating. Its versatility in power range and compatibility with major outboard brands make it a practical choice for many boat owners. However, it may not be the best fit for extreme high-speed use, very light or very heavy boats, or applications requiring maximum acceleration.

If your primary needs align with balanced performance, efficiency, and reliability, this prop is a solid investment. For boaters seeking specialized performance (e.g., wakeboarding, extreme speed, or deep-V tuning), a different pitch or custom prop may be more suitable.

### **Recommendation**

**Buy this propeller if:**

- You have a boat in the 16 22 ft range with a moderate to high power setup (90 300 HP).

- You prioritize a balance between speed, efficiency, and maneuverability.

- You plan to use the boat for fishing, cruising, or general recreational use.

- Your engine and boat weight are well-matched to avoid cavitation or poor performance.

**Consider alternatives if:**

- You need extreme high-speed performance (opt for a lower-pitch prop, e.g., 18 20).

- Your boat is very light or very heavy for the prop size (adjust pitch accordingly).

- You frequently operate in rough water (a more aggressive prop may be needed).

- You want custom tuning for specific performance goals (e.g., wakeboarding, racing).

For most average boaters, this prop offers a good balance of cost, performance, and durability. Always verify compatibility with your specific engine and boat setup before purchasing.

Details:

Related Part Numbers: 0177136. Casting Number: 783469. The pitch of the propeller is extremely important. Horse Power: 90-300.

MPN: 783469 0783469. Requires NO HUB KIT This prop uses Your OEM Propeller Hardware. Please see the list below.

part #: 783469 price

  • $154.99

specifications propboapar:

  • for makes: Evinrude, Johnson, Omc
  • for years: 2015-2021
  • brand: Omc
  • mpn: 783469
  • part type: Hp Prop
  • propeller rotation: Standard

offer propboapar:

  • started: April 8, 2026
  • quantity: 1
  • best offers: True
  • options: Ship-to-home
  • sold: 0
  • availability: In Stock

seller propboapar:

  • rating: 99.7%
  • city: Suamico, Wisconsin
  • # reviews: 29555

payments propboapar:

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shipping propboapar:

  • cost: $30.35
  • transit: 3-9 Days
  • type: Calculated
  • class: Standard, Expedited, One-day
  • service: USPS Ground Advantage, USPS Priority Mail, UPS Ground, UPS Next Day Air Saver
  • carrier: USPS, UPS

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general propboapar:

  • Parts Accessories > Boat Parts > Propellers
  • condition: Remanufactured
for makes: evinrude, johnson, omc, for years: 2015-2021, part type: hp prop, propeller rotation: standard,
category: boat parts > propellers, sku: 12382724975802731,
Omc 783469 Is Similar To:
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1 offer $154.99 USD
  • Remanufactured. Offer #1 priced at $154.99 + $32.80 shipping estimate = $187.79* total. REQUIRES NO HUB KIT This prop uses Your OEM Propeller Hardware. MPN: 763469 0763469.+$32.80 shipping

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