OJ PROPELLER JE3525 Inboard Blade Left Nibral Shaft 1021

( Brand: Oj Propeller ), ( Manufacturer Part Number: JE3525 ), ( Part Type: Blade Shaft ), ( Propeller Rotation: Counter ), ( Country Of Origin: United States )

Review OJ PROPELLER Inboard Blade Left Hand Nibral Inch Shaft #1021 fits LEGEND 2013

The **OJ Propeller JE3525 13-Inch Inboard Blade Legend Left NIBRAL Shaft 1021** is a meticulously engineered marine propeller designed for high-performance applications, blending cutting-edge hydrodynamics with robust construction to deliver unmatched efficiency and reliability. Crafted from **NIBRAL**, a premium nickel-aluminum-bronze alloy, this propeller blade is engineered to withstand the harshest marine environments, offering superior corrosion resistance, durability, and resistance to cavitation critical factors for long-term performance in both freshwater and saltwater conditions. The **13-inch diameter** blade is optimized for a balance of speed and torque, making it an ideal choice for boats ranging from high-speed cruisers to performance fishing vessels, where smooth acceleration, reduced vibration, and improved fuel economy are paramount.

The **Legend series** from OJ Propeller is renowned for its precision-machined, three-blade design, which enhances thrust efficiency while minimizing drag. The **left-hand rotation** of this propeller ensures optimal compatibility with outboard and sterndrive engines, maximizing torque and reducing strain on the drivetrain. The **shaft 1021** designation indicates a specific mounting configuration, designed to fit seamlessly with compatible marine engines, ensuring a secure and vibration-dampening connection. This propeller s hydrodynamic contours are engineered to minimize wake turbulence, reducing fuel consumption and extending the lifespan of both the propeller and the engine. Whether deployed in a recreational setting or for professional angling, this propeller s performance-oriented design delivers consistent power delivery, smooth operation, and a noticeable improvement in handling characteristics, making it a standout choice for discerning boat owners seeking both performance and longevity.

### **Pros and Cons of buying a OJ Propeller JE3525 13" Inboard Blade Legend Left NIBRAL Shaft 1021**

1. **Performance Optimization** The JE3525 is designed for high-performance applications, offering improved thrust and efficiency compared to standard propellers. The three-blade design helps reduce cavitation and improves fuel economy, making it ideal for speedboats, fishing boats, or performance cruisers.

2. **Durability and Strength** Made from high-quality materials (likely nickel-aluminum-bronze or stainless steel), this propeller is built to withstand heavy loads, corrosion, and prolonged use in saltwater environments. The NIBRAL (Nickel-Bronze) shaft material enhances resistance to wear and pitting.

3. **Compatibility with Inboard Engines** The shaft number **1021** suggests it is engineered for specific inboard engine setups, ensuring proper fitment with minimal modifications. This reduces the risk of installation errors and improves reliability.

4. **Reduced Vibration and Noise** The balanced blade design minimizes vibration, leading to smoother operation and less stress on the engine and drivetrain. This can extend the lifespan of related components like the transmission and stern drive.

5. **Fuel Efficiency** The aerodynamic blade shape is optimized for reduced drag, which can improve fuel efficiency, especially at higher speeds. This is beneficial for long-range cruising or frequent use.

6. **Aftermarket Support and Customization** OJ Propeller is a well-known brand with a strong reputation in marine propulsion. The JE3525 is part of their Legend series, which is popular among boat enthusiasts for tuning and performance upgrades. Accessories, replacements, and tuning services are widely available.

7. **Warranty and Reliability** Reputable brands like OJ Propeller often provide warranties (typically 1 2 years), offering peace of mind against manufacturing defects. The propeller s robust construction suggests long-term reliability if properly maintained.

8. **Enhanced Handling** The blade design may improve boat handling, including better acceleration, top-end speed, and maneuverability, depending on the boat s setup.

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1. **High Cost** Performance propellers like the JE3525 are significantly more expensive than standard stock props. The price may be a barrier for budget-conscious buyers, especially if the boat already has a functional propeller.

2. **Potential Installation Challenges** While designed for compatibility, improper installation (e.g., incorrect torque, misalignment, or improper shaft fit) can lead to damage or reduced performance. This may require professional installation, adding to costs.

3. **Risk of Damage from Foreign Objects** High-performance props are more susceptible to damage from debris (e.g., rocks, fishing line, or marine growth) due to their sharp edges and optimized blade angles. Regular inspection and maintenance are necessary.

4. **Maintenance Requirements** The propeller may require more frequent cleaning and inspection to prevent corrosion or pitting, especially in saltwater. Neglect can lead to reduced efficiency or failure.

5. **Not Universal Fit** The **shaft number 1021** is specific to certain inboard engine setups (e.g., Mercury, Yamaha, or other brands with matching drivetrains). If the boat s current setup doesn t match, compatibility issues may arise, requiring a custom adapter or modification.

6. **Learning Curve for Tuning** If the propeller is being used for performance tuning (e.g., adjusting pitch or RPM), there may be a trial-and-error period to achieve optimal results. Incorrect tuning can lead to poor performance or engine strain.

7. **Weight Considerations** High-performance props are often heavier than stock props, which could slightly affect the boat s balance or handling, particularly in smaller vessels.

8. **Resale Value Impact** While a premium propeller can enhance a boat s performance, it may not always increase resale value proportionally, especially if the buyer is not a performance-focused enthusiast.

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### **Conclusion**

The **OJ Propeller JE3525 13" Inboard Blade Legend Left NIBRAL Shaft 1021** is an excellent choice for boat owners seeking **superior performance, fuel efficiency, and durability**, particularly for speedboats, fishing vessels, or performance cruisers. Its advanced design, compatibility with inboard engines, and reputation for reliability make it a strong investment for those willing to pay for high-quality propulsion.

However, the **high cost, potential installation complexities, and maintenance demands** may not justify the purchase for casual boaters or those on a tight budget. It is best suited for **enthusiasts who prioritize speed, handling, and long-term engine protection** and are prepared for the associated costs and upkeep.

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### **Recommendation**

- You own an **inboard-powered boat** (e.g., Mercury, Yamaha, or similar) with a **shaft number 1021** or compatible setup.

- You are looking to **improve speed, fuel efficiency, or handling** significantly.

- You are willing to invest in **high-quality marine components** and maintain them properly.

- You plan to use the boat for **performance-oriented activities** (e.g., racing, fishing, or cruising at high speeds).

- Your budget is limited, and you can achieve similar results with a **lower-cost, high-quality stock propeller**.

- You lack experience with **propeller tuning or installation**, as mistakes could void warranties or damage the engine.

- Your boat s current propeller is **already performing adequately** without the need for an upgrade.

- You frequently operate in **high-debris environments** (e.g., shallow waters, rocky areas) where propeller damage is a risk.

**Final Verdict:** For the right buyer someone who values performance and is prepared for the investment the **OJ Propeller JE3525** is a **highly recommended upgrade**. For others, a **balanced assessment of needs, budget, and boat setup** is essential before purchasing. Consulting with a marine mechanic or propeller specialist can also help confirm compatibility and expected benefits.

Details:

The OJ 13 x Inboard Propeller is a high-quality 3-blade Propeller designed for boats with 1 shaft. This was a spare Propeller for my 1994 Master craft pro Star 205. Made by OJ Propeller.

part #: je3525 prices

• $50.71-$485.00

specifications propboapar:

• for models: Legend
• for years: 2013
• brand: Oj Propeller
• mpn: Je3525
• part type: Blade Shaft
• propeller rotation: Counter
• country of origin: United States

seller propboapar:

• # reviews: 571
• city: Huntsville, Alabama
• rating: 100.0%

payments propboapar:

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

offer propboapar:

• options: Ship-to-home
• availability: In Stock
• quantity: 1
• best offers: True
• started: March 16, 2026
• sold: 0

shipping propboapar:

• class: Standard
• cost: $19.00
• carrier: USPS
• service: USPS Ground Advantage
• transit: 3-8 Days
• type: Fixed

returns propboapar:

• policy: No Returns

general propboapar:

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

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