Description
Mercury 78112A45 Black Max Propeller — 16″ × 11″ RH Aluminum
The Mercury Black Max 78112A45 3-blade aluminum propeller delivers reliable performance and proven durability for a wide range of outboards and sterndrives. Constructed from Mercury’s patented Mercalloy aluminum alloy, this prop provides strength and ductility to withstand minor impacts. The included Flo-Torq II hub system helps absorb vibration and protect the engine drivetrain from damage.
Applications
For Mercury and Mariner 90–115HP FourStroke Command Thrust outboards, 135–300HP TwoStroke and FourStroke outboards, and MerCruiser Alpha One and Bravo One sterndrives. Always confirm fitment and installation details using your owner’s or service manual before purchase or 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: 78112A45
- Brand: Mercury Propeller
- Category: Propellers
- Subcategory: Black Max
- UPC: 745061018518
- Country of Origin: United States
- Diameter × Pitch: 16″ × 11″
- Rotation: Right Hand (RH)
- Blades: 3
- Material: Mercalloy Aluminum
- Hub System: Flo-Torq II
- Finish: Phantom Black Gloss Enamel
- Engine Fit: Mercury / Mariner 90–300HP Outboards & Sterndrives
- Package Length: 16.95″
- Package Width: 16.75″
- Package Height: 7.1″
- Package Weight: 9.06 lb
- Prop 65 Code: Cancer and Reproductive Harm
What’s Included
- 1 × Mercury Black Max 3-Blade Propeller — 78112A45 (16″ × 11″ RH Aluminum)
- 1 × Flo-Torq II Hub Kit (835257K1)
Service Notes
- Install using the specified Flo-Torq II hub system for proper alignment and drivetrain protection.
- Inspect propeller and hub before each use for cracks, wear, or deformation.
- Verify correct WOT RPM range and torque specifications using your Mercury service manual.