Description
Quicksilver Black Diamond 10.625 x 12 RH Propeller (QA2074X)
This 3-blade aluminum propeller combines a 10.625-inch diameter, 12-inch pitch and right-hand rotation for compatible outboards.
Key Features
- 3-blade aluminum construction
- Protective black finish
- Flo-Torq Reflex hub included; engine-specific hardware requirements apply
- 13-tooth spline application
Applications
For the chart-listed 13-spline applications. Mercury/Mariner: 25 HP CT/BigFoot four-strokes (1999-2005), 30 HP CT/BigFoot (2010 and newer), 30 HP two- and four-strokes (1994-2005), 30 HP SeaPro/Marathon, 35 HP (1984-1989), standard-gearcase 40 HP (1977 and newer), 40 HP SeaPro/Marathon (1977 and newer), 45 HP (1986-1989), Mariner 48 HP, standard-gearcase 50 HP (1977 and newer), 55 HP SeaPro/Marathon (1995 and newer), standard-gearcase 60 HP (1978 and newer), and 70 HP (1983 and older). Excludes 40-60 HP CT/BigFoot gearcases. Honda: BF35/BF45 (1991-1994), BF40/BF50/BF50A (1995 and newer), and BF60 small gearcase; separately purchase thrust washer 8M0046466. Nissan/Tohatsu: 35B (1984 and older), 50D (1991), 40 HP (1984 and newer), and 50 HP (1992 and newer); separately purchase washer kit 8M0053074. Yamaha: T25, 40 HP (1984 and newer), F40 (1999 and newer), 48 HP (1995-2000), 50 HP excluding T50 (1984 and newer), F50 (1999 and newer), 55 HP (1976-1995), 60 HP (1976-1991), and F60 (2002 and newer). Force: 40/50 HP (1995-1998) and 75 HP (1996-1998). Confirm the exact model, year, spline count and hardware against the manufacturer chart.
Fitment / Product Details
- Brand: Quicksilver
- Series: Black Diamond
- Part Number: QA2074X
- Material: Aluminum
- Blades: 3
- Diameter: 10.625 inches
- Pitch: 12 inches
- Rotation: Right-hand (RH)
- Splines: 13
- Hub: Flo-Torq Reflex hub included; engine-specific hardware requirements apply
- Condition: New
- UPC: 745061868618
What's Included
One Quicksilver QA2074X Black Diamond aluminum propeller. The Flo-Torq Reflex hub kit is included. Honda requires separate thrust washer 8M0046466; Nissan/Tohatsu requires separate washer kit 8M0053074. Follow the manufacturer hardware chart for your engine. Older rubber-hub propeller hardware is not interchangeable with Flo-Torq Reflex hardware.
Service Notes
Inspect the propeller shaft and hardware before installation. Follow the engine manufacturer's instructions for hardware selection, lubrication and tightening torque. Choose pitch using your normal boat load and the recommended full-throttle RPM range.
Why You Should Buy
Aluminum construction and a protective black finish make this a practical replacement or spare for a compatible engine.
Common Applications
Replacement or spare propeller use on compatible outboards. Match diameter, pitch, rotation, spline count and gearcase before ordering.
FAQ
What does 10.625 x 12 RH mean?
Diameter is 10.625 inches, pitch is 12 inches, and rotation is right-hand.
Is the hub included?
Flo-Torq Reflex hub included; engine-specific hardware requirements apply. Separate hardware is required for the Honda and Nissan/Tohatsu applications listed above.
How do I confirm fitment?
Match the exact engine model, year, gearcase, spline count and required hardware to the manufacturer chart. Horsepower alone is insufficient.
How do I select pitch?
Use your current propeller and operating RPM with the engine manufacturer's recommended range under your normal load.





