Quick Summary
The SZQBZMJ 13 3/4 x 15 outboard boat propeller is a replacement propeller for Mercury Black Max applications listed at 40-140 HP. It is a right-hand propeller with 3 blades, a 15 spline tooth connection, and a Flo-Torq II hub kit reference in the product name.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Product type | Outboard boat propeller for Mercury Black Max applications. |
| Diameter | 13 3/4 in., which is a key fit and performance check for the exact setup. |
| Pitch | 15 in., another main sizing detail buyers should compare before choosing an offer. |
| Blades | 3 blades. |
| Rotation | Right-hand propeller. |
| Connection | 15 spline tooth. |
| Replace part number | 48-77342A45. |
What to Compare Before Buying
- Diameter and pitch: This propeller is listed as 13 3/4 x 15. Compare both numbers with the setup you need, since either one can affect fit and use.
- Engine match: It is listed for Mercury Black Max applications at 40-140 HP. Confirm that match for your exact engine.
- Rotation: This is a right-hand propeller, so check that the rotation matches your current setup.
- Hub and spline fit: The name includes a Flo-Torq II hub kit reference and a 15 spline tooth connection. Confirm that both match your application.
Before You Decide
Confirm the exact Mercury Black Max application, the 13 3/4 x 15 sizing, and the right-hand 15 spline tooth fit before choosing an offer. If your setup uses a different rotation, hub, or spline count, this propeller is not the right match.





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