Mercury 78116CP1 Black Max Propeller — 15.5″ × 15″ RH Aluminum 3-Blade Extra Cup

Mercury 78116CP1 Black Max Propeller — 15.5″ × 15″ RH Aluminum 3-Blade Extra Cup

The Mercury Black Max 78116CP1 propeller delivers the same dependable performance as the standard Black Max series with added “Extra Cup” geometry for improved thrust and control—perfect for pontoon and heavy-load applications. Made from Mercury’s patented Mercalloy aluminum alloy, this 15.5″ × 15″ right-hand prop is durable, ductile, and coated in a corrosion-resistant Phantom Black enamel finish. The included Flo-Torq II hub kit protects your drivetrain from shock and vibration.

Applications

For use on Mercury and Mariner 90–115HP FourStroke Command Thrust outboards, 135–300HP TwoStroke and FourStroke outboards, and MerCruiser Alpha One and Bravo One sterndrives. Ideal for pontoon boats requiring additional grip and thrust. Always confirm propeller size, 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: 78116CP1
• Brand: Mercury Propeller
• Category: Propellers
• Subcategory: Black Max
• UPC: 745061031319
• Country of Origin: United States
• Diameter × Pitch: 15.5″ × 15″
• Rotation: Right Hand (RH)
• Blades: 3
• Material: Mercalloy Aluminum
• Finish: Phantom Black Gloss Enamel
• Blade Geometry: Extra Cup (XC) for Pontoons
• Included Hub Kit: Flo-Torq II (835257K1)
• Engine Fit: Mercury / Mariner 90–300HP Outboards; MerCruiser Alpha & Bravo One
• Package Length: 16.9″
• Package Width: 16.55″
• Package Height: 7.15″
• Package Weight: 9.027 lb
• MSRP: $264.01 USD
• Prop 65 Code: Cancer and Reproductive Harm

What’s Included

• 1 × Mercury Black Max Propeller — 78116CP1 (15.5″ × 15″ RH, 3-Blade Extra Cup Aluminum)
• 1 × Flo-Torq II Hub Kit (835257K1)

Service Notes