MERCURY 48-77348-A40-21P Blackmax Blade Propeller 12.75

( Manufacturer Part Number: 48-77348-A40-21P ), ( Part Type: Aluminum Blade Propeller ), ( Propeller Rotation: Standard ), ( California Prop 65 Warning: This Product May Contain Chemicals Known To The State Of California To Cause Cancer, Birth Defects, Or Other Reproductive Harm. )

Review MERCURY Blackmax 12.75 21p Blade Aluminum Propeller

Mercury BlackMax 12.75" 21P Blade Propeller (Part No. 48-77348-A40-21P)

Experience unparalleled performance and style with the Mercury BlackMax 12.75" 21P Blade Propeller, a precision-engineered marine propeller designed to elevate your boating experience.

Crafted from high-quality materials, this propeller boasts a sleek black finish that not only enhances its aesthetic appeal but also provides superior resistance to corrosion, ensuring long-lasting durability in even the harshest marine environments.

The 12.75" diameter of this propeller offers a balance between speed and thrust, making it suitable for a wide range of power requirements. With its 21 pitched blades, the propeller provides an efficient power transfer, resulting in improved acceleration and top-end speed.

The 21P design of this propeller is optimized for Mercury outboard engines, ensuring a perfect fit and optimal performance. The precision-machined blades are designed to cut through water efficiently, reducing drag and minimizing horsepower loss.

This propeller is designed with Mercury's proprietary advanced cup design, which provides increased lift and improved hole shot performance. The reshaped semi-tunnel hub reduces cavitation and vibration, resulting in a smoother, quieter ride.

In summary, the Mercury BlackMax 12.75" 21P Blade Propeller (Part No. 48-77348-A40-21P) is a high-performance, reliable, and stylish propeller that is perfect for powering your boat to its full potential. Whether you're cruising, fishing, or watersports, this propeller is designed to deliver the power, efficiency, and durability you need for an unforgettable boating experience.

**Product Review: Mercury 48-77348-A40-21P BlackMax 12.75 21P Blade Propeller**

1. **High Quality Material:** The propeller is made from high-quality aluminum, ensuring durability and resistance to corrosion, a critical factor for marine usage.

2. **Efficient Design:** The 21-pitch design provides a balance between speed and maneuverability, making it suitable for a wide range of boats and water conditions.

3. **Strong Construction:** The propeller's strong construction can handle high torque, making it ideal for powerful outboard engines.

4. **Aesthetic Appeal:** The black finish gives the propeller a sleek, modern look that complements many boat designs.

1. **Price:** The Mercury BlackMax propeller is priced higher than some other propellers in the market, which may be a deterrent for budget-conscious buyers.

2. **Specific Fitment Requirements:** This propeller is designed for specific Mercury outboard engines, so it may not be compatible with all outboard engines.

3. **Requires Careful Handling:** As with any propeller, it requires careful handling during installation and removal to prevent damage.

The Mercury 48-77348-A40-21P BlackMax 12.75 21P Blade Propeller is a high-quality propeller that offers efficient performance for boats with powerful Mercury outboard engines. Its durability, efficient design, and sleek appearance make it an attractive choice for boat owners. However, its higher price and specific fitment requirements are factors to consider before making a purchase.

If you own a boat with a compatible Mercury outboard engine and are looking for a reliable, high-performance propeller, the Mercury 48-77348-A40-21P BlackMax 12.75 21P Blade Propeller could be a great investment. However, if budget is a concern or your outboard engine is not a Mercury, you may want to consider other, more budget-friendly options that are compatible with your specific boat and engine.

Details:

Physical location at 3524 South West Temple Unit B, SLC, UT 84115. The propeller has a RIGHTHAND rotation and is compatible with Mercury engines. Mercury BlackMax boat propeller with a pitch of 21 inches.

part #: 4877348a4021p prices

• $129.99-$130.00

specifications propboapar:

• for makes: Mercury
• mpn: 48-77348-a40-21p
• part type: Aluminum Blade Propeller
• propeller rotation: Standard
• california prop 65 warning: This Product May Contain Chemicals Known To The State Of California To Cause Cancer, Birth Defects, Or Other Reproductive Harm.

shipping propboapar:

• transit: 3-7 Days
• service: USPS Ground Advantage
• type: Calculated
• class: Standard
• cost: $0.00
• carrier: USPS

returns propboapar:

• policy: No Returns

general propboapar:

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

offer propboapar:

• best offers: True
• sold: 0
• started: November 11, 2025
• quantity: 1
• availability: In Stock
• options: Ship-to-home

payments propboapar:

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

seller propboapar:

• rating: 93.3%
• # reviews: 13
• city: Salt Lake City, Utah

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