YOUNG PROPS 21MERCURY Boat Propeller Rh Spline 12.75X21 48-77348A45

( Brand: Young Props ), ( Manufacturer Part Number: 21MERCURY ), ( Part Type: Propeller ), ( Isdraft: False ), ( Propeller Rotation: Standard )

Review YOUNG PROPS Boat Propeller Rh Spline Mercury Read fits 2012–2015

Young Props 12 21 Mercury 12.75x21 Boat Propeller (RH, 15 Spline, Mercury 48-77348A45)

Discover the Young Props 12 21 Mercury 12.75x21 Boat Propeller, a high-performance marine propeller designed to elevate your boating experience. This propeller is a part of the prestigious Mercury Marine range, identified by the model number 48-77348A45.

Crafted with precision, this propeller boasts a pitch of 12.75 inches and a diameter of 21 inches, ensuring optimal thrust and speed for your vessel. It is suitable for boats with specific power requirements, falling within the Mercury 48-77348A45's power range.

The propeller features a right-hand (RH) rotation, making it ideal for boats with outboard engines. The 15-spline design offers a robust and secure connection to your engine, guaranteeing reliable operation even in challenging marine conditions.

This Young Props Mercury propeller is an excellent choice for boaters seeking improved acceleration, top-end speed, and overall efficiency. Its sleek design and durable construction ensure long-lasting performance, while its precise fit and finish contribute to a smooth, quiet ride.

Whether you're cruising on calm waters or battling the waves, the Young Props 12 21 Mercury 12.75x21 Boat Propeller (RH, 15 Spline, Mercury 48-77348A45) is the perfect companion to propel your boat to new heights of performance. Upgrade your boating experience today with this high-quality marine propeller.

The Mercury 12 21 Mercury 12.75x21 boat propeller (part number: 48-77348A45) has several notable aspects, accompanied by potential drawbacks that you should consider before making a purchase.

1. Brand Reputation: Mercury Marine is a well-established brand known for manufacturing high-quality marine propellers.

2. Propeller Size: The 12.75x21 size is suitable for medium to larger outboard engines, providing adequate thrust and torque for a variety of boating activities.

3. Spline Design: The 15-spline hub is compatible with a wide range of Mercury outboard engines, ensuring versatility in application.

4. Right-Hand Rotation (RH): This propeller rotates in a counter-clockwise direction when viewed from the rear, which is suitable for right-handed outboard engines.

1. Price: Mercury propellers often come at a premium, which could make them less affordable for some boaters.

2. Customization: This specific propeller may not be customized to meet specific performance needs or preferences, as it is a standard model.

3. Availability: Depending on your location, it might be challenging to find local retailers carrying this exact propeller model, making online purchases necessary.

The Mercury 12 21 Mercury 12.75x21 boat propeller (48-77348A45) is a reliable and high-performing propeller, thanks to Mercury's reputation for quality and the propeller's size and spline design. However, its premium price and potential limited availability may be drawbacks for some consumers.

If you are looking for a well-performing propeller for your Mercury outboard engine and can accommodate the price, the 12 21 Mercury 12.75x21 boat propeller (48-77348A45) is a solid choice. Alternatively, consider exploring other Mercury propellers or competitors' offerings to find a propeller that better fits your needs and budget.

Details:

Replaces OEM #48-77348A45 for Mercury outboards. 3-blade design with 15-tooth spline, right-hand rotation. Helps reduce engine wear and maintain fuel performance. Listing is missing some of the hub kit required for installation.

YOUNG PROPS 12.75x21 Boat Propeller - RH 15 Spline Mercury 48-77348A45 READ ZA132: Item is used and shows signs of usage scratches, scuffs, dust, etc. Please view ALL pictures. Aluminum propeller measuring 12.75 diameter x 21 pitch. Durable alloy construction designed for speed and efficiency. Item has been handled for inspection - Please anticipate signs of handling fingerprints, lint, etc. Outer packaging may have cosmetic damage.

part #: 21mercury prices

• $95.00-$145.00

specifications propboapar:

• for makes: Mercury
• for years: 2012-2015
• brand: Young Props
• mpn: 21mercury
• part type: Propeller
• isdraft: False
• propeller rotation: Standard

seller propboapar:

• rating: 98.6%
• city: Pompano Beach, Florida
• # reviews: 29330

payments propboapar:

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

general propboapar:

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

shipping propboapar:

• service: FedEx Ground Economy, Expedited, FedEx Standard Overnight
• transit: 3-9 Days
• cost: $0.00
• carrier: FedEx
• type: Fixed
• class: Economy, Expedited, One-day

offer propboapar:

• started: November 5, 2025
• sold: 0
• best offers: True
• options: Ship-to-home
• quantity: 1
• availability: In Stock

returns propboapar:

• time: 30 Days
• paid by: Seller
• policy: Returns Accepted

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