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

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468 products

18" Pitch
Apollo 4-Blade (14 3/8 x 18") Michigan Wheel RH Propeller, 993204
16" PitchSold out
Vortex 4-Blade (15 x 16") Michigan Wheel RH Propeller, 992202
25" Pitch
Mercury Revolutioin 4 Propeller. Mercury 4-Blade Stainelss Steel Revolution 4 Propeller. Gets You On Plane Faster With Impressive Top-End Speed.
21" Pitch
Mercury Revolutioin 4 Propeller. Mercury 4-Blade Stainelss Steel Revolution 4 Propeller. Gets You On Plane Faster With Impressive Top-End Speed.
19" Pitch
Mercury Revolutioin 4 Propeller. Mercury 4-Blade Stainelss Steel Revolution 4 Propeller. Gets You On Plane Faster With Impressive Top-End Speed.
19" Pitch
Mercury Mirage Plus Propeller. Mercury 3-Blade Stainless Steel Boat Propeller For Heavy Weight Applications, Outboards & Sterndrives.
17" Pitch
Mercury Enertia Eco Propeller. Mercury 3-Blade Stainless Steel Propeller. Fuel Efficient Propeller With Large Diameter For Mercury Outboards & Sterndrives.
17" Pitch
Mercury Enertia Eco Propeller. Mercury 3-Blade Stainless Steel Propeller. Fuel Efficient Propeller With Large Diameter For Mercury Outboards & Sterndrives.
24" Pitch
Mercury Bravo 1 (15.25 x 24") RH Propeller, 48-8M0151213
19" Pitch
Mercury Enertia Propeller. Mercury 3-Blade Stainless Steel Enerta Propeller. Perfect For Heavy Pontoons, Center-Consoles, and Sterndrive Runabouts
17" Pitch
Mercury Enertia Propeller. Mercury 3-Blade Stainless Steel Enerta Propeller. Perfect For Heavy Pontoons, Center-Consoles, and Sterndrive Runabouts
20" Pitch
Mercury Enertia Propeller. Mercury 3-Blade Stainless Steel Enerta Propeller. Perfect For Heavy Pontoons, Center-Consoles, and Sterndrive Runabouts
21" Pitch
Mercury Enertia Propeller. Mercury 3-Blade Stainless Steel Enerta Propeller. Perfect For Heavy Pontoons, Center-Consoles, and Sterndrive Runabouts
22" Pitch
Mercury Enertia Propeller. Mercury 3-Blade Stainless Steel Enerta Propeller. Perfect For Heavy Pontoons, Center-Consoles, and Sterndrive Runabouts
13" Pitch
Mercury Black Max 3-Blade Aluminum Propeller. Mercury Propeller For Both Mercury Outboards and Sterndrives. Good Overall Performance  Value.
16" Pitch
Quicksilver Black Diamond Propeller. Quicksilver 3-Blade Aluminum Propeller.  Good Overall Performance and Value.
21" Pitch
Nemesis (14 x 21") Quicksilver RH Propeller, 48-8M0055536
14" Pitch
Nemesis (14 x 14") Quicksilver RH Propeller, 48-8M0055533
Solas Rubex 3 Propeller. Solas 3-Blade Aluminum Boat Prop. Rubex Hub Kit Propeller For Variable Outboard & Sterndrive Fitment.
Solas
Rubex 3 (15.3 x 13") Solas RH Propeller, 9511-153-13 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 (15 x 15") Solas RH Propeller, 9511-150-15 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 Propeller. Solas 3-Blade Aluminum Boat Prop. Rubex Hub Kit Propeller For Variable Outboard & Sterndrive Fitment.
Solas Rubex 3 Propeller. Solas 3-Blade Aluminum Boat Prop. Rubex Hub Kit Propeller For Variable Outboard & Sterndrive Fitment.
Rubex NS3 (14 1/2 x 15") Solas LH Propeller, 9532-145-15

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.