Description
The Sierra 18-3732 Prop Nut is a heavy-duty, marine-grade hex nut designed primarily for Yamaha outboard engines. Constructed from durable brass to resist salt water and corrosion, this standard-grade hardware component ensures the propeller remains safely secured to the propeller shaft.
Product Specifications:
The precise technical details for this component include:
| Specification | Detail |
| Material | Brass |
| Thread Size | M16 - 2.0 |
| Thread Direction | Clockwise |
| Type | Hex |
| Nut Grade | Standard |
Interchange & Cross References
This aftermarket component is engineered to perfectly replace or interchange with the following manufacturer part numbers:
- Yamaha Outboard: 90171-16011-00, 95307-16900-00, 95301-16900-00, 90171-16001-00
- Mallory Marine: 9-73908
- GLM: 21231
- RECMAR: REC90171-16011