Prop Nut Kit With Propeller Nut And Tab Washer For Mercury Mariner 30-60HP Outboard Engines Replacement 11-69578A1 11-69578Q1 11-69578T1 Includes Two Washers And Nut For Easy Marine Maintenance And Secure Props
✔️ Includes one propeller nut and two anti-loosening tab washers.
Essential prop nut kit designed as a direct aftermarket replacement for Mercury/Mariner 30-60HP outboards. Includes two 18-3204 buckle washers and one 18-3704 propeller nut, simplifying routine maintenance and secure propeller connections across freshwater and saltwater setups.
✅ Direct aftermarket replacement for part numbers 11-69578A1 / 11-69578Q1 / 11-69578T1 and other compatible models
✅ Includes two 18-3204 buckle washers and one 18-3704 propeller nut
✅ Carbon steel with protective coating resists corrosion and wear
✅ Anti-loosening tab washers bend against the nut surface to prevent loosening
✅ Suitable for Mercury/Mariner 30-60HP outboards in freshwater or saltwater
💡 What is a propeller nut kit used for in Mercury/Mariner 30-60HP outboard engines?
Handy maintenance tool for replacing worn hardware and keeping the prop secure.
- Provides secure propeller retention with anti-loosening tab washers- Replaces multiple part numbers for easy sourcing
- Includes two washers and one nut for quick service
- Works across freshwater and saltwater environments