Description
Mercury 77350A45 Black Max Propeller — 12.5″ × 23″ RH Aluminum 3-Blade
The Mercury Black Max 77350A45 propeller is designed for reliable performance and durability on mid-range Mercury and Mariner outboards. Built from Mercury’s proprietary Mercalloy aluminum alloy, this 12.5″ × 23″ right-hand prop delivers smooth operation, excellent acceleration, and impact resistance. The included Flo-Torq II hub kit cushions drivetrain components from shock, while the Phantom Black enamel finish provides long-lasting protection against corrosion.
Applications
For Mercury and Mariner 40–60HP BigFoot/Command Thrust (all years) and 75–125HP (1978 and newer) outboards. Always confirm propeller dimensions, hub compatibility, and rotation in your owner’s or service manual before installation.
Shipping & Returns
Fast processing and shipping from our marine parts warehouse. 30-day returns on unopened, unused items. Review our Refund Policy for full details.
Key Facts
- BU Part ID: 77350A45
- Brand: Mercury Propeller
- Category: Propellers
- Subcategory: Black Max
- UPC: 745061018501
- Country of Origin: United States
- Diameter × Pitch: 12.5″ × 23″
- Rotation: Right Hand (RH)
- Blades: 3
- Material: Mercalloy Aluminum
- Hub System: Flo-Torq II (835257K1)
- Finish: Phantom Black Gloss Enamel
- Engine Fit: Mercury / Mariner 40–125HP Outboards
- Package Length: 16.8″
- Package Width: 16.55″
- Package Height: 7.05″
- Package Weight: 7.05 lb
- Prop 65 Code: Cancer and Reproductive Harm
What’s Included
- 1 × Mercury Black Max Propeller — 77350A45 (12.5″ × 23″ RH, 3-Blade Aluminum)
- 1 × Flo-Torq II Hub Kit (835257K1)
Service Notes
- Use the included Flo-Torq II hub kit to ensure proper fit and drivetrain protection.
- Inspect propeller blades, hub components, and thrust washer for wear or corrosion before installation.
- Verify correct WOT RPM range and torque settings according to Mercury service specifications after installation.