---
product_id: 40507253
title: "Mercury Marine Blackmax 3 Blade Aluminum Prop Propeller 12-3/4 x 21P 48-77348A45"
brand: "mercury"
price: "€ 542.58"
currency: EUR
in_stock: true
reviews_count: 8
category: "Mercury"
url: https://www.desertcart.hr/products/40507253-mercury-marine-blackmax-3-blade-aluminum-prop-propeller-12-3
store_origin: HR
region: Croatia
---

# Right Hand Rotation for precise control 12.75" Diameter for optimal thrust 21" Pitch for powerful acceleration Mercury Marine Blackmax 3 Blade Aluminum Prop Propeller 12-3/4 x 21P 48-77348A45

**Brand:** mercury
**Price:** € 542.58
**Availability:** ✅ In Stock

## Summary

> 🌊 Propel Your Adventure with Precision & Style!

## Quick Answers

- **What is this?** Mercury Marine Blackmax 3 Blade Aluminum Prop Propeller 12-3/4 x 21P 48-77348A45 by mercury
- **How much does it cost?** € 542.58 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/40507253-mercury-marine-blackmax-3-blade-aluminum-prop-propeller-12-3)

## Best For

- mercury enthusiasts

## Why This Product

- Trusted mercury brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Effortless Installation:** Comes with clear instructions for a quick, hassle-free upgrade
- • **Flo-Torq II Hub Technology:** Reduces vibration and protects your drivetrain for smoother rides
- • **Sleek Phantom Black Finish:** High-gloss durable coating that stands out on the water and resists corrosion
- • **Trusted by Boaters Worldwide:** Highly rated with 4.6 stars and proven compatibility with 75 hp Mercury 2-stroke engines
- • **Precision Engineered Performance:** Factory original Mercury Marine part ensures perfect fit and reliability

## Overview

The Mercury Marine Blackmax 3 Blade Aluminum Propeller (12-3/4 x 21P) is a genuine OEM part designed for right-hand rotation engines. Featuring a durable high-gloss Phantom Black finish and equipped with Flo-Torq II hub technology, it delivers smooth, powerful thrust and reduces vibration. Ideal for 75 hp Mercury 2-stroke motors, this propeller offers easy installation and reliable performance trusted by boating enthusiasts.

## Description

Brand new, genuine Mercury Marine / Mercruiser BlackMax 12 3/4 X 21 RH Propeller. This is a factory original equipment part, not aftermarket..

Review: Perfect replacement part - Perfect fit, packaging was great. Easy install, great instructions.
Review: Fits!! - Fits perfectly on 75 hp mercury 2 stroke.

## Features

- 12 3/4" Diameter
- 21" Pitch
- Right Hand Rotation
- Equipped with Flo-Torq II Hub (#835257K1)
- Attractive and durable high-gloss Phantom Black finish.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000QGK756 |
| Best Sellers Rank | #456,824 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #643 in Boat Engine Propellers |
| Brand | MERCURY |
| Customer Reviews | 4.6 4.6 out of 5 stars (121) |
| Date First Available | May 10, 2007 |
| Item Weight | 10 pounds |
| Item model number | 12-3/4 X 21 |
| Manufacturer | Boating Accessories |
| Manufacturer Part Number | 48-77348A45 |
| OEM Part Number | 48 77348A45 |
| Product Dimensions | 16 x 16 x 7 inches |

## Images

![Mercury Marine Blackmax 3 Blade Aluminum Prop Propeller 12-3/4 x 21P 48-77348A45 - Image 1](https://m.media-amazon.com/images/I/61M9wvPsW3L.jpg)
![Mercury Marine Blackmax 3 Blade Aluminum Prop Propeller 12-3/4 x 21P 48-77348A45 - Image 2](https://m.media-amazon.com/images/I/61RQj4f3v3L.jpg)
![Mercury Marine Blackmax 3 Blade Aluminum Prop Propeller 12-3/4 x 21P 48-77348A45 - Image 3](https://m.media-amazon.com/images/I/61lJS2gpbNL.jpg)
![Mercury Marine Blackmax 3 Blade Aluminum Prop Propeller 12-3/4 x 21P 48-77348A45 - Image 4](https://m.media-amazon.com/images/I/61xSIaPnFaL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect replacement part
*by P***K on November 6, 2024*

Perfect fit, packaging was great. Easy install, great instructions.

### ⭐⭐⭐⭐⭐ Fits!!
*by K***. on September 5, 2025*

Fits perfectly on 75 hp mercury 2 stroke.

### ⭐⭐⭐⭐ easy to install
*by R***N on June 4, 2015*

easy to install, just feels very light but works for what it is suppose to . would buy another if needed

## Frequently Bought Together

- Mercury Marine Blackmax 3 Blade Aluminum Prop Propeller 12-3/4 x 21P 48-77348A45
- Quicksilver 802859Q1 2-4-C Marine Grease with Teflon, Multi-Purpose Marine Lubricant – 8 oz. Tube
- Prop Master™ Propeller Wrench, Yellow

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**Shop now:** [https://www.desertcart.hr/products/40507253-mercury-marine-blackmax-3-blade-aluminum-prop-propeller-12-3](https://www.desertcart.hr/products/40507253-mercury-marine-blackmax-3-blade-aluminum-prop-propeller-12-3)

---

*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-03-02*