A4 Replacement Blade Set 14 X 20 H1420A H1420A S...

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A4 Replacement Blade Set 14 X 20 H1420A  $92.45 


Piranha A4 Replacement Blade Set 14 x 20 

Used primarily on sterndrives (approximatey 112 Hp to 280 Hp) and outboard motors (approximatey 150 Hp+). These are cupped propeller blades with a smaller blade area for lighter faster boats. These blades are used with A-style Piranha Propeller hubs.

If you are not sure if this blade is appropriate for your use, please contact us for a recommendation.

Please note this item is a pre-packaged SET of (4) propeller blades. Individual blades can be ordered separately.

Image shown is not actual. This part number does not include the propeller hub.

Tab 1

Pitch Selection

Macomb Marine Parts and Accessories primary objective is to achieve the best performance from your boat. Macomb Marine Parts and Accessories recognizes Piranha Propellers "Blade Exchange Program". This program allows you to test and exchange undamaged blades until you are satisfied with the performance of the product. Please click here to exchange your blades.

If you are happy with the performance of your current aluminum propeller, order the same pitch in the Piranha.

If you are looking to gain speed, or lower your RPMs, increase your pitch. Every two inches higher in pitch will increase speed 3-5 mph, and decrease the RPMs by approximately 400.

If you are looking to gain hole shot, or increase your RPMs, decrease your pitch. Every two inches in pitch lower will cause you to gain approximately 400 RPMs.

If you are switching from a three blade to a four blade, drop one inch in pitch to compensate for the RPM change.

If you are switching from a four to a three blade, increase one inch in pitch.

If you have any questions about selecting the correct pitch, e-mail us and we will help determine what you need.

Tab 2


Piranha Propellers‘ composite molding facility utilizes a fiberglass/ nylon composite, boasting a tensile strength that is 15% stronger than aluminum. Combining this composite with the aluminum core makes the center hubs virtually indestructible. 18 years of customer proven durability allows Piranha to offer a factory backed, lifetime center hub warranty. Therefore in the unlikely event of hub damage, simply return the center hub to the Piranha factory for replacement. Shipping charges not included.


Macomb Marine Parts and Accessories offers Piranhas factory backed exchange policy.  Any product can be exchanged for another product or equal or lesser value, provided that the product is not damaged, and the exchange is requested within 60 days of the original purchase.  This policy allows you to try multiple pitches, and determine which works best. Shipping charges not included.


Macomb Marine Parts and Accessories offers Piranhas return policy; any undamaged product can be returned within 30 days for a full refund, less shipping charges.


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