OMC BRP 0383136 Blade Propeller 384136 12-3/4 13-SPLINE

( Brand: Omc Brp ), ( Manufacturer Part Number: 0383136 ), ( Part Type: Aluminum Blade Propeller ), ( Propeller Rotation: Standard ), ( Country Of Origin: United States )

Review OMC BRP 12-3/4 Blade Aluminum Propeller 13-spline fits 2023

The **OMC 0383136 384136 12-3/4" 23-Blade Propeller with 13-Spline Shaft** is a high-performance marine propeller designed for applications requiring exceptional efficiency, durability, and adaptability in demanding water conditions. Engineered with precision, this propeller features a **23-blade configuration**, which optimizes thrust output while minimizing cavitation and vibration, making it ideal for both recreational and commercial vessels operating in varying load scenarios. The **12-3/4-inch diameter** strikes a balance between power delivery and maneuverability, ensuring smooth acceleration and responsive handling, whether cruising at moderate speeds or navigating tight turns. The **13-spline shaft connection** provides a secure, torque-resistant fit, reducing the risk of slippage or misalignment under heavy loads, while its robust construction enhances longevity in saltwater environments where corrosion and wear are common concerns. Crafted from high-grade, corrosion-resistant materials, this propeller is built to withstand prolonged exposure to harsh marine conditions, ensuring reliable performance year after year. Its aerodynamic blade design minimizes drag, improving fuel efficiency and reducing engine strain, which is particularly advantageous for boats equipped with high-horsepower engines or those frequently used in rough water. Whether installed on a performance fishing boat, a utility work vessel, or a high-speed cruiser, this propeller delivers a seamless blend of power, efficiency, and durability, making it a standout choice for operators seeking both performance and longevity in their marine applications.

### **Pros and Cons of buying a OMC 0383136 (384136) 12-3/4" 23 Blade Propeller (13-Spline)**

1. **High Efficiency for Performance Boats** The 23-blade design is optimized for high-performance applications, offering better thrust and efficiency at higher RPMs, making it ideal for speedboats, wakeboarders, and ski boats.

2. **Durability** OMC propellers are known for their robust construction, often featuring high-quality materials like stainless steel or aluminum alloys, which resist corrosion and wear over time.

3. **Customizable Pitch Options** The 12-3/4" diameter and 23-blade configuration can be tuned for specific boat speeds, load conditions, and towing needs, improving overall performance.

4. **Compatibility with Modern Engines** The 13-spline shaft connection ensures a secure fit with many outboard motors, reducing slippage and improving power transfer.

5. **Reduced Cavitation** The blade design helps minimize cavitation, which can damage propellers and reduce efficiency, especially in high-speed applications.

6. **Aftermarket Support** OMC propellers are widely available, with many dealers and online retailers stocking replacements, making maintenance and upgrades easier.

7. **Fuel Efficiency (in Some Cases)** When properly matched to the engine, a high-efficiency propeller like this can reduce fuel consumption by optimizing thrust at lower RPMs.

1. **Higher Cost** Compared to standard propellers, high-performance models like this one are more expensive, which may not be justified for low-speed or light-duty applications.

2. **Potential for Over-Torquing** If not properly matched to the engine, a high-efficiency propeller can cause excessive RPMs, leading to engine strain or damage.

3. **Maintenance Requirements** The intricate blade design may require more frequent inspections for pitting, corrosion, or damage, especially in saltwater environments.

4. **Limited Use for Low-Speed Applications** This propeller is optimized for speed and thrust; it may not perform well in slow-speed or heavy-load conditions (e.g., deep-V hulls at low speeds).

5. **Weight Considerations** Some high-performance propellers are heavier, which could affect handling and fuel efficiency in smaller boats.

6. **Compatibility Issues** Not all engines or boat setups will benefit from this propeller. Improper sizing can lead to poor performance rather than improvement.

7. **Learning Curve for Installation** If not installed correctly, the propeller s performance may suffer, and improper alignment can cause vibration or damage.

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### **Conclusion**

The **OMC 0383136 (384136) 12-3/4" 23-blade propeller** is a strong choice for **high-performance boats** where speed, thrust, and efficiency are priorities. It excels in applications like wakeboarding, skiing, and speedboating but may not be necessary or even beneficial for slower, lighter-duty vessels. The key to maximizing its benefits lies in **proper engine matching, installation, and maintenance**.

If your boat is already optimized for high speeds and you re looking to enhance acceleration, towing power, or fuel efficiency, this propeller is a worthwhile investment. However, if your primary use involves slow cruising, heavy loads, or deep-V hulls, a more standard propeller might be more cost-effective and practical.

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### **Recommendation**

- You have a **high-performance outboard (e.g., 150 HP) in a speedboat, wakeboarder, or ski boat**.

- You re experiencing **poor acceleration or low thrust** with your current propeller.

- You ve had your propeller **professionally matched** to your engine s RPM and load requirements.

- You re willing to **maintain it regularly** (especially in saltwater) to prevent corrosion and damage.

- Your boat is primarily used for **slow cruising, fishing, or light duty**.

- You don t have the budget for a **higher-end propeller** without clear performance gains.

- Your engine is **underpowered** for the propeller s demands, risking strain.

- You lack access to **proper installation and tuning** (consult a marine mechanic).

For best results, **consult a marine professional** to ensure the propeller is correctly sized for your engine s horsepower, RPM range, and intended use. If in doubt, consider a **middle-ground propeller** (e.g., a 4-blade or 5-blade high-performance option) that balances cost and efficiency.

Details:

OMC BRP 0383136 384136 12-3/4 X 23 3 BLADE Aluminum Propeller 13-Spline, OEM NOS.

part #: 0383136 prices

• $79.95-$99.95

specifications propboapar:

• for makes: Omc
• for years: 2023
• brand: Omc Brp
• mpn: 0383136
• part type: Aluminum Blade Propeller
• propeller rotation: Standard
• country of origin: United States

returns propboapar:

• policy: No Returns

general propboapar:

• Parts Accessories > Boat Parts > Propellers
• condition: Used

shipping propboapar:

• cost: $22.50
• carrier: USPS
• service: USPS Ground Advantage
• transit: 5-11 Days
• type: Fixed
• class: Standard

seller propboapar:

• city: Manchester, New Hampshire
• rating: 99.7%
• # reviews: 5880

offer propboapar:

• quantity: 1
• best offers: True
• started: April 23, 2026
• options: Ship-to-home
• sold: 0
• availability: In Stock

payments propboapar:

• other
• wallet: Google-pay
• credit card: Mastercard

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