Description
Mercury Black Max Aluminum Propeller 14" x 9" RH, Flo-Torq II Hub (854340A45)
Built for dependable acceleration and smooth cruising, the Mercury Black Max aluminum propeller pairs Mercalloy strength with a corrosion-resistant Phantom Black enamel finish. Sized at 14" × 9" with right-hand rotation, this propeller includes a Flo-Torq II hub kit to help absorb vibration and protect the drivetrain from most minor impact loads.
Applications
- Mercury & Mariner 40–60 hp BigFoot / Command Thrust (all years)
- Mercury & Mariner 75–125 hp outboards (1978 and newer)
- Confirm diameter/pitch, rotation, gearcase, and hub system in your owner’s/service manual
Shipping & Returns
Fast shipping from Wisconsin with reliable carriers. Need help confirming fit by engine model/serial and gearcase? We’re happy to assist. Returns are easy—see our Return Policy.
Key Facts
- Brand: Mercury Propeller
- Series: Black Max
- Part #: 854340A45
- Material: Mercalloy aluminum (engineered strength with ductility for minor impacts)
- Finish: Phantom Black glossy enamel
- Blades: 3
- Diameter × Pitch: 14" × 9"
- Rotation: Right-Hand
- Hub System: Flo-Torq II hub kit 835257K1 included (vibration & impact damping)
- Fits: 40–60 hp BigFoot/CT (all years); 75–125 hp (1978+)
- UPC: 745061026735
- Country of Origin: US
- Category: Propellers > Black Max
- Prop 65: Cancer and Reproductive Harm
What’s Included
- 1 × Mercury Black Max 3-Blade Aluminum Propeller, 14" × 9" RH (854340A45)
- 1 × Flo-Torq II Hub Kit 835257K1
Service Notes
- Verify hub kit, thrust washer, and hardware for your engine/drive; follow torque specs in the service manual
- Hand-align on the shaft, torque to spec, and confirm smooth rotation and blade clearance before launch
- Inspect blades and hub periodically; repair nicks promptly to reduce vibration
- Rinse after salt/brackish use; include propeller checks in routine maintenance