Description
Mercury 77342A45 Black Max Propeller — 13.75″ × 15″ RH Aluminum 3-Blade
The Mercury Black Max 77342A45 propeller delivers dependable performance and value for mid-range outboards. Built from Mercury’s exclusive Mercalloy aluminum alloy, this 13.75″ × 15″ right-hand prop offers the strength to handle impact while maintaining optimal performance. Its Phantom Black enamel finish resists corrosion, and the included Flo-Torq II hub system helps protect your drivetrain from shock and vibration damage.
Applications
For use on Mercury and Mariner 40–60HP BigFoot/Command Thrust (all years) and 75–125HP (1978 and newer) outboards. Always verify diameter, pitch, and hub kit compatibility 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: 77342A45
- Brand: Mercury Propeller
- Category: Propellers
- Subcategory: Black Max
- UPC: 745061018464
- Country of Origin: United States
- Diameter × Pitch: 13.75″ × 15″
- Rotation: Right Hand (RH)
- Blades: 3
- Material: Mercalloy Aluminum
- Finish: Phantom Black Gloss Enamel
- Included Hub Kit: Flo-Torq II (835257K1)
- Engine Fit: Mercury / Mariner 40–60HP BigFoot, 75–125HP Outboards
- Package Length: 16.6″
- Package Width: 16.5″
- Package Height: 7″
- Package Weight: 8.02 lb
- MSRP: $236.59 USD
- Prop 65 Code: Cancer and Reproductive Harm
What’s Included
- 1 × Mercury Black Max Propeller — 77342A45 (13.75″ × 15″ RH, 3-Blade Aluminum)
- 1 × Flo-Torq II Hub Kit (835257K1)
Service Notes
- Install using the included Flo-Torq II hub kit to ensure correct fit and performance.
- Inspect propeller, hub, and thrust washer for wear or debris before installation.
- Verify correct WOT RPM range and torque specifications per Mercury guidelines after installation.