1. Used Boat Parts
  2. sku: 9600872132314772
  3. MERCURY 48-78124-20

MERCURY 48-78124-20 Propeller Spline Boat 13-1/2

fits make: Mercury. year: 2015–2021.

48-78124-20 Mercury Aluminum Propeller 15 Spline 13-1/2 X 21 Oem Used Boat Parts

( Part Type: Aluminum Propeller ), ( Manufacturer Part Number: 48-78124-20 )

Review MERCURY Aluminum Propeller Spline 13-1/2 Oem Used Boat Parts fits 2015–2021

The Mercury 48-78124-20 propeller is a high-performance propeller designed specifically for boats with a 13-1/2 inch shaft length and a 21-inch boat width. This propeller is part of Mercury's extensive range of marine propellers, which are renowned for their durability, efficiency, and excellent power transfer.

The Mercury 15 spline propeller features a 3-blade design, which provides an optimal balance between hole shot and top-end speed. The blades are made from high-strength, corrosion-resistant aluminum alloy, ensuring that the propeller can withstand the rigors of regular use in a marine environment. Each blade is carefully crafted using Mercury's advanced Computer Aided Design (CAD) technology, ensuring that the propeller delivers maximum efficiency and minimal drag.

The propeller's 15 spline hub is designed to securely connect the propeller to the boat's drive shaft, providing a solid and reliable connection. The hub is also engineered to minimize the amount of torque transmitted to the shaft, reducing the wear and tear on the boat's drive system.

The Mercury 48-78124-20 propeller is available in various pitch sizes to suit different boat applications and engine sizes. The pitch size determines the amount of blade area that is submerged in the water and, therefore, affects the boat's acceleration and top-end speed.

In summary, the Mercury 48-78124-20 propeller is a high-performance, durable, and efficient propeller designed for boats with a 13-1/2 inch shaft length and a 21-inch boat width. Its 3-blade design provides excellent hole shot and top-end speed, while its corrosion-resistant aluminum alloy blades ensure long-lasting performance. The 15 spline hub provides a solid and reliable connection to the boat's drive shaft, and the propeller is available in various pitch sizes to suit different boat applications and engine sizes.

Mercury's 48-inch, 15-spline, 13-1/2 pitch, 21-inch propeller (model number 15 spline 13-1/2 21, part number 48-78124-20) is a commonly used propeller for outboard motors. Here are some potential pros and cons for considering this propeller:

Pros:

1. Efficient Performance: Mercury's 48-inch three-blade propellers are known for their efficient performance and good hole shot. This propeller can help your boat get on plane faster and maintain optimal speed.

2. Durability: Mercury uses a high-strength, heat-treated aluminum alloy for the propeller blades, ensuring they can withstand heavy usage and rough water conditions.

3. Versatility: This propeller can be used with a wide range of Mercury outboard motors, making it a popular choice among boat owners.

4. Warranty: Mercury offers a limited warranty on its propellers, providing peace of mind for boaters.

Cons:

1. Expensive: Compared to some other propeller brands and models, the Mercury 48-inch, 15-spline, 13-1/2 pitch, 21-inch propeller can be quite expensive.

2. Limited Customization: Mercury does not offer many options for customizing the pitch or blade shape of this propeller.

3. Potential for Damage: The propeller's blades can be damaged by hitting submerged objects, such as rocks or logs, which could require replacement.

In conclusion, the Mercury 48-inch, 15-spline, 13-1/2 pitch, 21-inch propeller (model number 15 spline 13-1/2 21, part number 48-78124-20) is a high-performing and durable propeller that is popular among boaters. However, it comes with a higher price tag and limited customization options. Ultimately, if you're looking for an efficient, reliable, and durable propeller for your Mercury outboard motor, this could be a great choice. If budget is a concern or you desire more customization options, you may want to consider other propeller brands or models.

Details:

part #: 487812420 price

  • $59.21

specifications vesselveep:

  • for makes: Mercury
  • for years: 2015-2021
  • part type: Aluminum Propeller
  • manufacturer part number: 48-78124-20

general vesselveep:

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

returns vesselveep:

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

offer vesselveep:

  • best offers: True
  • availability: In Stock
  • started: September 30, 2025
  • quantity: 1
  • sold: 0
  • options: Ship-to-home

seller vesselveep:

  • city: Crystal River, Florida
  • # reviews: 1794
  • rating: 98.9%

shipping vesselveep:

  • service: USPS Ground Advantage
  • carrier: USPS
  • class: Standard
  • transit: 5-11 Days
  • type: Fixed
  • cost: $19.95

payments vesselveep:

  • other
  • credit card: Mastercard
  • wallet: Apple-pay
for makes: mercury, for years: 2015-2021, part type: aluminum propeller,
sku: 9600872132314772,

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