Volvo Penta QL Boat Propellers

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About Volvo Penta QL Boat Propellers

Volvo Penta QL Propeller Blowout Sale!

  • 40% off & Free Shipping at iboats.com on all QL props!
  • While supplies last!

QL - Quality Line

  • QL Marine propellers by Volvo Penta are a complete series of boat propellers.
  • Each prop is carefully selected and tested to meed the exacting demands you place on marine equipment.
  • QL series Aluminum propellers are designed by Volvo Penta for all marine applications.
  • Whether replacing the prop on your Johnson outboard or MerCruiser sterndrive, QL is the choice of quality and value.

Interchangeable Hub

  • Perfect shaft alignment with no balance problem and DIY propeller maintenance.

No more rubber hub slip

  • Innovative Torsion Rods absorb shock when hitting a rock, thus protecting your engine.
  • The hub can be changed in minutes.

Increased Horsepower

  • Larger exhaust area enhances engine performance.

Propeller Quick Search

Just start typing characteristics about your boat's engine. You can type in horsepower, model name, liters, year, etc.


Possible engine matches will be displayed below your search query. Keep typing to further narrow the list. Once you see the engine that most closely matches yours, select it using your mouse or the up/down arrow keys.


Select the pitch & rotation of propellers you wish to see, then click "Find Prop"

Where to Find Your Prop Pitch

Look on the outer hub of the prop near the blades or inside the hub.

Most props are stamped with a series of numbers.

Pitch is always the last number listed.

Example: 3 x 16 x 24.5R

3 - Number of Blades (occasionally displayed)

16 - Diameter

24.5 - Pitch

R - Direction of Rotation (R = Right/Standard, L = Left/Counter)

Pitch is stamped on the outer prop hub...   ...or
around the inner hub.
Prop Rotation

Props spin either clockwise (standard or right-hand rotation) or counter-clockwise (counter or left-hand rotation).


Most single engines use a standard rotation prop. Most twin engines use one of each.


To determine what prop rotation you have, look at your prop as if on a boat. Position a blade pointing straight up. If the right-hand side of the blade is closer to the boat than to you, it's a standard rotation prop.

Where to Find Your Propeller Part Number


Props are often stamped with both dimensions and a part number.

Look on the outer hub of the prop near the blades or inside the hub.

Numbers similar to 15 x 17 are the prop dimensions (diameter & pitch).

Those numbers are not your part number!

Part numbers resemble 031018, 48-11320A40, 2231-103-12, etc.

Look around the inner hub or on the blades.   15 1/2x17 is not the propeller part number!
About DuoProps


Volvo Penta DuoProps have a front and rear propeller that rotate back to back on the same drive. The front propeller is closest to the boat and hits the water first.


DuoProps have both a counter and standard rotation prop to eliminate steering torque. The front prop is always counter rotation. The rear prop is always standard rotation.


Volvo Penta DuoProps are each stamped with a size code (D2, F5, T9, etc) that is used to find a prop replacement. With this code you can replace either the front or rear pieces, or the complete DuoProp.

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Propeller Help Guide
P is for Propeller Propeller Basics
How To Choose A Prop
Diameter Pitch
Cupping Rake
Ventilation Cavitation

We tell you everything you need to know about props from cupping to ventilation.

Learn About Prop Characteristics Prop Characteristics
3 Blades VS. 4 Splines
Aluminum vs. Stainless Steel
Performance Exhaust
Left-Handed Props FAQ

If you want to modify your boat's performance, consider the above before making your selection.

Learn About Engine RPM Determining RPM's
Effect of pitch on RPM
Test for Maximum RPM



For safety and efficient performance, it is critical that your engine operates within the RPM range recommended by the manufacturer.