Mercruiser 4.3L Alpha One Propellers

Shop our collection of guaranteed fitment propellers for your Mercruiser 4.3L Alpha 1 (15-Spline). If you have any questions or concerns about propeller fitment feel free to contact us.

15-Spline

Prop Shaft

All Years

Model Year Fitment

4.75"

Gearcase

Filters

Filters
Sort by:

468 products

14" Pitch
Mercury SpitFire Propeller. Mercury -Blade Aluminum SpitFire Propeller. Engineer to Deliver 16-25% Fast Acceleration And Razor Sharp Handling.
Mercury Marine
SpitFire CT (14 x 14") Mercury RH Propeller, 48-8M0084493 Sale price$222.65 Regular price$278.31
15" Pitch
Mercury Enertia Propeller. Mercury 3-Blade Stainless Steel Enerta Propeller. Perfect For Heavy Pontoons, Center-Consoles, and Sterndrive Runabouts
Mercury Marine
Mercury Enertia (15 x 15") RH Propeller, 48-8M0151231 Sale price$837.70 Regular price$1,047.13
13" Pitch
Mercury Black Max 3-Blade Aluminum Propeller. Mercury Propeller For Both Mercury Outboards and Sterndrives. Good Overall Performance Value.
Mercury Marine
Black Max XC Pontoon (16 x 13") Mercury RH Propeller, 48-78114CP1 Sale price$211.21 Regular price$264.01
21" Pitch
Mercury Black Max 3-Blade Aluminum Propeller. Mercury Propeller For Both Mercury Outboards and Sterndrives. Good Overall Performance Value.
Mercury Marine
Black Max (14 1/4 x 21") Mercury RH Propeller, 48-832832A45 Sale price$203.47 Regular price$254.34
19" Pitch
Mercury Black Max 3-Blade Aluminum Propeller. Mercury Propeller For Both Mercury Outboards and Sterndrives. Good Overall Performance Value.
Mercury Marine
Black Max (14 1/2 x 19") Mercury RH Propeller, 48-832830A45 Sale price$203.47 Regular price$254.34
17" Pitch
Mercury SpitFire Propeller. Mercury -Blade Aluminum SpitFire Propeller. Engineer to Deliver 16-25% Fast Acceleration And Razor Sharp Handling.
Mercury Marine
SpitFire (14 x 17") Mercury RH Propeller, 48-8M0084494 Sale price$222.65 Regular price$278.31
23" Pitch
Mercury Black Max 3-Blade Aluminum Propeller. Mercury Propeller For Both Mercury Outboards and Sterndrives. Good Overall Performance Value.
Mercury Marine
Black Max (14 x 23") Mercury RH Propeller, 48-832834A45 Sale price$203.47 Regular price$254.34
Rubex S3 Scorpion (15 1/8 x 27") Solas RH Propeller, 9561-151-27
Solas
Rubex S3 Scorpion (15 1/8 x 27") Solas RH Propeller, 9561-151-27 Sale price$456.04 Regular price$617.24
15" Pitch
Mercury Black Max 3-Blade Aluminum Propeller. Mercury Propeller For Both Mercury Outboards and Sterndrives. Good Overall Performance Value.
Mercury Marine
Black Max (15 1/4 x 15") Mercury RH Propeller, 48-78116A45 Sale price$203.47 Regular price$254.34
18" Pitch
Mercury Black Max 3-Blade Aluminum Propeller. Mercury Propeller For Both Mercury Outboards and Sterndrives. Good Overall Performance Value.
Mercury Marine
Black Max (15.5 x 18") Mercury RH Propeller, 48-11324A45 Sale price$205.41 Regular price$256.76
19" Pitch
Mercury SpitFire Propeller. Mercury -Blade Aluminum SpitFire Propeller. Engineer to Deliver 16-25% Fast Acceleration And Razor Sharp Handling.
Mercury Marine
SpitFire (14 x 19") Mercury RH Propeller, 48-8M0084495 Sale price$222.65 Regular price$278.31
Solas Rubex 3 Propeller. Solas 3-Blade Aluminum Boat Prop. Rubex Hub Kit Propeller For Variable Outboard & Sterndrive Fitment.
Solas
Rubex 3 (14.5 x 19") Solas RH Propeller, 9511-145-19 Sale price$130.80 Regular price$168.49
Solas Rubex 3 Propeller. Solas 3-Blade Aluminum Boat Prop. Rubex Hub Kit Propeller For Variable Outboard & Sterndrive Fitment.
Solas
Rubex 3 Plus Double Cup (15.5 x 13") Solas RH Propeller, 9501-155-13DC Sale price$104.98 Regular price$148.49
17" Pitch
Mercury Revolutioin 4 Propeller. Mercury 4-Blade Stainelss Steel Revolution 4 Propeller. Gets You On Plane Faster With Impressive Top-End Speed.
Mercury Marine
Mercury Revolution 4 (14.6 x 17") RH Propeller, 48-8M0151317 Sale price$854.29 Regular price$1,067.86
19" Pitch
Mercury Enertia Eco Propeller. Mercury 3-Blade Stainless Steel Propeller. Fuel Efficient Propeller With Large Diameter For Mercury Outboards & Sterndrives.
Mercury Marine
Enertia Eco (16 x 19") Mercury RH Propeller, 48-8M0151255 Sale price$920.64 Regular price$1,150.80
19" Pitch
Vengeance (14 x 19") Mercury RH Propeller, 48-8M0151407
Mercury Marine
Vengeance (14 x 19") Mercury RH Propeller, 48-8M0151407 Sale price$597.17 Regular price$746.46
16" Pitch
Mercury Enertia Propeller. Mercury 3-Blade Stainless Steel Enerta Propeller. Perfect For Heavy Pontoons, Center-Consoles, and Sterndrive Runabouts
Mercury Marine
Mercury Enertia (14.8 x 16") RH Propeller, 48-8M0151233 Sale price$837.70 Regular price$1,047.13
15" Pitch
Mercury Black Max 3-Blade Aluminum Propeller. Mercury Propeller For Both Mercury Outboards and Sterndrives. Good Overall Performance Value.
Mercury Marine
Black Max XC Pontoon (15 1/4 x 15") Mercury RH Propeller, 48-78116CP1 Sale price$211.21 Regular price$264.01
11" Pitch
Mercury Black Max 3-Blade Aluminum Propeller. Mercury Propeller For Both Mercury Outboards and Sterndrives. Good Overall Performance Value.
Mercury Marine
Black Max XC Pontoon (16 x 11") Mercury RH Propeller, 48-78112CP1 Sale price$211.21 Regular price$264.01
14" Pitch
Mercury Black Max 3-Blade Aluminum Propeller. Mercury Propeller For Both Mercury Outboards and Sterndrives. Good Overall Performance Value.
Mercury Marine
Black Max XC Pontoon (16 x 14") Mercury RH Propeller, 48-16438CP1 Sale price$214.50 Regular price$268.13
17" Pitch
Mercury Black Max 3-Blade Aluminum Propeller. Mercury Propeller For Both Mercury Outboards and Sterndrives. Good Overall Performance Value.
Mercury Marine
Black Max (15 x 17") Mercury RH Propeller, 48-832828A45 Sale price$203.47 Regular price$254.34
Solas Rubex 3 Propeller. Solas 3-Blade Aluminum Boat Prop. Rubex Hub Kit Propeller For Variable Outboard & Sterndrive Fitment.
Solas
Rubex 3 (14.3 x 21") Solas RH Propeller, 9511-143-21 Sale price$130.80 Regular price$168.49
Solas Rubex 3 Propeller. Solas 3-Blade Aluminum Boat Prop. Rubex Hub Kit Propeller For Variable Outboard & Sterndrive Fitment.
Solas
Rubex 3 Plus Double Cup (15.5 x 11") Solas RH Propeller, 9501-155-11DC Sale price$104.98 Regular price$152.11
Rubex S3 Scorpion (15 1/8 x 24") Solas RH Propeller, 9561-151-24
Solas
Rubex S3 Scorpion (15 1/8 x 24") Solas RH Propeller, 9561-151-24 Sale price$456.04 Regular price$614.61

Mercruiser 4.3L Alpha One Propellers

The propellers found in this collection feature a 15-Spline prop-shaft application and will fit a 4.75" gearcase. Several propeller options are available to fir your Mercruiser 4.3L Alpha 1 (15-Spline).

Guaranteed Mercruiser Prop Fitment

The Boat Prop Warehouse "Fitment Guarantee" means you can confidently shop any of the propellers found in this collection and it will fit your Mercruiser 4.3L Alpha 1 (15-Spline).

Mercruiser 4.3L Alpha One Propellers

The propellers found in this collection feature a 15-Spline prop-shaft application and will fit a 4.75" gearcase. Several propeller options are available to fir your Mercruiser 4.3L Alpha 1 (15-Spline).

Guaranteed Mercruiser Prop Fitment

The Boat Prop Warehouse "Fitment Guarantee" means you can confidently shop any of the propellers found in this collection and it will fit your Mercruiser 4.3L Alpha 1 (15-Spline).

Contact Us

Do you have any questions?

Do you need assistance with finding the correct propeller for your Mercruiser 4.3L Alpha 1 (15-Spline). We are here to help! You can contact us either by our online form on this page or via phone, email, or chat.

Important Note: The more information you can provide us with, the more accurate/reliable any propeller suggestions we make will be.

Verified Boat Prop Fitment

Contact us with the year/make/model of your boat motor and we can assist you with verifying fitment.

Talk to an expert

Do you have questions? Call and chat with a boat propeller expert. We're here to help!

Low Prices

Enjoy huge savings on all brands of sterndrive and outboard propellers, including Mercury, Solas, Honda & more.

Free Shipping

Fast and free shipping on all boat prop orders over $399 within the U.S.