Description
Mercury 815026 Locking Cotter Pin for Propellers
The Mercury 815026 locking cotter pin is essential hardware used to lock the propeller nut in place, preventing it from backing off under load. Designed for marine environments, this OEM part meets Mercury’s standards for fit and durability.
Applications & Compatibility
- Used in Mercury / Mariner outboards including F4, F5, F6, F8, F9.9 models
- Applies to many small outboard propeller assemblies requiring a cotter pin for securing the prop nut
- Often listed under part number 18-815026 or 815026 in OEM catalogs
Features & Benefits
- Genuine Mercury OEM cotter pin — ensures proper size, strength, and value
- Locking design ensures prop nut remains secure under vibration and high loads
- Made from marine-grade metal to resist corrosion and wear in marine environments
Specifications
- Part Number: 815026
- Type: Locking cotter pin
- Typical Use: Propeller shaft & nut assemblies
- Material: Corrosion-resistant metal (marine grade)
- UPC: 745061054820
Installation Notes
After torquing the prop nut to specification and installing the thrust washers, insert the cotter pin through the nut’s castellations to lock it in place. Bend pin legs outward to prevent it from slipping out. Always use a properly sized cotter pin to ensure safe operation.
Returns
Unopened, unused cotter pins are eligible for return under our Return Policy. Always confirm correct part number and fitment before installation.
Wakeboss.com stocks only genuine Mercury OEM propeller hardware to ensure performance, durability, and safety on the water.