MERCRUISER 48-7957A4 Right Blade Propeller 15X21P

( Brand: Mercruiser ), ( Manufacturer Part Number: 48-7957A4 ), ( Part Type: Aluminum Blade Propeller ), ( Warranty: 1 Year ), ( Propeller Rotation: Standard )

Review MERCRUISER Aluminum Right Hand Blade Propeller

Mercruiser 48-7957A4 15x21P Right Blade Propeller

The Mercruiser 48-7957A4 15x21P Right Blade Propeller is a high-performance marine propeller, meticulously designed to deliver unparalleled efficiency, speed, and maneuverability for your watercraft.

This propeller, with its distinctive 15x21P pitch and diameter configuration, is specifically designed for applications that require a balance between power and agility. The 15-inch diameter ensures a robust and stable thrust, while the 21-pitch blades provide a swift, responsive propulsion, making your boat more responsive to steering commands.

Crafted from premium marine-grade aluminum, the Mercruiser 48-7957A4 propeller boasts exceptional strength and durability. Its strong, yet lightweight construction, resists corrosion and wear, ensuring long-lasting performance even in the harshest marine environments.

The propeller's 4-blade design offers a balance between efficiency, speed, and torque. The streamlined, hydrodynamically optimized blades minimize drag and turbulence, reducing fuel consumption and noise levels while maximizing acceleration and top-end speed.

Furthermore, the Mercruiser 48-7957A4 propeller is designed to fit perfectly onto the right shaft of your watercraft, ensuring a secure and stable installation. Its universal fitment makes it compatible with a wide range of boat models, making it an ideal choice for boat owners seeking a versatile, high-quality propeller.

In conclusion, the Mercruiser 48-7957A4 15x21P Right Blade Propeller is a premium marine propeller, offering superior performance, durability, and versatility. Whether you're cruising, fishing, or water sports, this propeller is designed to enhance your boating experience, delivering unmatched speed, efficiency, and maneuverability.

Analysis of Mercruiser 48-7957A4 15x21p Right Blade Propeller

1. Designed for MerCruiser applications, ensuring compatibility and optimal performance.

2. High-quality construction, providing durability and resistance to wear and corrosion.

3. Wide pitch (21p) for improved hole-shot and acceleration.

4. Reasonably priced compared to other high-performance propellers.

1. May not be suitable for boats with different engine configurations or propeller sizes.

2. Requires proper balancing to prevent vibration and ensure smooth operation.

3. The wider pitch may result in reduced top-end speed compared to propellers with a smaller pitch.

4. Installation and balancing might require professional assistance, increasing the overall cost.

Conclusion: The Mercruiser 48-7957A4 15x21p right blade propeller is an excellent choice for MerCruiser boat owners seeking improved acceleration and hole-shot. However, it may not be the best option for those who prioritize top-end speed over acceleration. It's essential to ensure proper installation and balancing to achieve optimal performance. If you're unsure about installation or have questions about compatibility, it may be beneficial to consult with a professional.

Recommendation: If you're looking for a high-performance propeller for your MerCruiser boat and prioritize acceleration, the Mercruiser 48-7957A4 15x21p right blade propeller is a worthy consideration. However, weigh the pros and cons carefully to ensure it meets your specific needs and budget. If you're still uncertain, consider consulting with a marine professional for advice tailored to your boat.

Details:

Mercruiser boat propeller with a pitch of 21 inches. Physical location at 3524 South West Temple Unit B, SLC, UT 84115. Mercruiser 165 Has solid rubber press in hub.

The propeller has a RIGHT HAND rotation and is compatible with Mercruiser engines.

part #: 487957a4 prices

• $145.00-$612.00

specifications propboapar:

• brand: Mercruiser
• mpn: 48-7957a4
• part type: Aluminum Blade Propeller
• warranty: 1 Year
• propeller rotation: Standard

offer propboapar:

• sold: 0
• best offers: True
• options: Ship-to-home
• quantity: 1
• availability: In Stock
• started: November 18, 2025

shipping propboapar:

• cost: $0.00
• type: Calculated
• transit: 3-8 Days
• service: USPS Ground Advantage
• class: Standard
• carrier: USPS

general propboapar:

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

returns propboapar:

• policy: No Returns

payments propboapar:

• credit card: Diners-club
• other
• wallet: Paypal

seller propboapar:

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

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