

MQS 3-Blade (13.75 x 21") PowerTech RH Propeller, MQS3R21P
PowerTech MQS 3-Blade Stainless Steel Propeller
The PowerTech MQS is a stainless steel 3-blade propeller designed as a durable alternative to the Mercury Black Max. Featuring a low rake angle for excellent stern lift, it performs exceptionally well on inboard/outboard engines, pontoons, and sterndrives. The MQS delivers smooth handling, reliable thrust, and long-lasting performance for versatile boating needs.
- Compares to Mercury Black Max Propeller
- Low ranke angle for stern lift
- Great all-around performance propeller
Propeller Hub Details
- CushionLok (Recommended) - The CushionLok Hub System reduces vibration and absorbs shock for smoother operation, protecting your propeller and drivetrain while extending durability.
- Square Hub (Sold Separately) - Hub kit will not be included with propeller. This propeller will accept any universal style square hub kit (ex. Flo-Torq, XHS, Rubex, etc).
Propeller Fitment
- PowerTech "E" Class Propeller. - For specific motor fitment see details below.
We recommend using the PowerTech CushionLok Hub for best performance.

Description
PowerTech MQS 3-Blade Propeller
PowerTech MQS 3-Blade Stainless Steel Propeller
The PowerTech MQS is a stainless steel 3-blade propeller designed as a durable alternative to the Mercury Black Max. Featuring a low rake angle for excellent stern lift, it performs exceptionally well on inboard/outboard engines, pontoons, and sterndrives. The MQS delivers smooth handling, reliable thrust, and long-lasting performance for versatile boating needs.
- Compares to Mercury Black Max Propeller
- Low ranke angle for stern lift
- Great all-around performance propeller
Propeller Hub Details
- CushionLok (Recommended) - The CushionLok Hub System reduces vibration and absorbs shock for smoother operation, protecting your propeller and drivetrain while extending durability.
- Square Hub (Sold Separately) - Hub kit will not be included with propeller. This propeller will accept any universal style square hub kit (ex. Flo-Torq, XHS, Rubex, etc).
Propeller Fitment
- PowerTech "E" Class Propeller. - For specific motor fitment see details below.
PowerTech MQS 3-Blade Propeller
Right-Hand Rotation (Clockwise)
Stainless Steel
Through Hub Exhause
Will this propeller fit my motor?
PowerTech MQS 3-Blade Propeller Fitment
The PowerTech MQS 3-Blade propeller will fit various outboards. The models this propeller will fit are listed below.

Expert Advice
Do you need guidance in selecting the correct PowerTech MQS 3-Blade propeller for your application? Contact Boat Prop Warehouse today to talk to an expert.
Prop School
Do you have questions about the basics of propellers? Check out our comprehensive guide on the different facets of propeller technology, and its impact on boat performance.
Expert Advice
Do you need guidance in selecting the correct PowerTech MQS 3-Blade propeller for your application? Contact Boat Prop Warehouse today to talk to an expert.
Prop School
Do you have questions about the basics of propellers? Check out our comprehensive guide on the different facets of propeller technology, and its impact on boat performance.
Contact Us
Do you have any questions?
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.