Description
Quicksilver 69578Q1 Prop Nut Kit for 30-60HP Outboards
The Quicksilver 69578Q1 Prop Nut Kit is designed for select Mercury and Mariner 30HP to 60HP outboards. This propeller hardware kit includes a nylock propeller nut and tab washers for compatible propeller installation and service. Always install the thrust washer, propeller, and tab washer before installing the propeller nut, and never operate the engine without all required propeller hardware in place.
Key Features
- Quicksilver prop nut kit
- Part number: 69578Q1
- Designed for select Mercury and Mariner 30HP to 60HP outboards
- Includes nylock propeller nut and tab washers
- Used for compatible propeller installation and propeller hardware replacement
- Install thrust washer, propeller, and tab washer before installing prop nut
- Do not operate your engine or drive without all propeller hardware in place
- Grease prop shaft splines with Mercury 2-4-C or Mercury Special Lube 101 to aid future propeller removal
- Use owner’s manual to confirm Flo-Torq hub, thrust washer, and prop nut requirements
Fitment / Product Details
- Brand: Quicksilver
- Part Number: 69578Q1
- Product Type: Prop nut kit / propeller hardware kit
- Application: Select Mercury and Mariner outboard propeller nut applications
- Engine Types: Mercury and Mariner outboards where propeller nut kit 69578Q1 is specified
- HP Range: Select 30HP to 60HP applications
- Prop Shaft Diameter: 0.8 in applications where specified
- Spline Count: 13-tooth spline applications where specified
- Assembly Location: Propeller shaft / propeller hardware assembly
- Installation Note: Install thrust washer, propeller, and tab washer before installing the propeller nut.
- Maintenance Note: To aid future propeller removal, grease prop shaft splines with Mercury 2-4-C or Mercury Special Lube 101.
- Fitment Note: Match part number 69578Q1 to your Mercury or Mariner outboard model, horsepower, prop shaft diameter, 13-tooth spline count, thrust washer, tab washer, propeller nut requirement, Flo-Torq hub requirement, and owner’s manual before ordering.
What’s Included
- Nylock propeller nut
- Tab washers
Expanded Fitment
- Mercury 30HP Outboards: Select propeller hardware applications where 69578Q1 is specified
- Mercury 40HP Outboards: Select propeller hardware applications where 69578Q1 is specified
- Mercury 50HP Outboards: Select propeller hardware applications where 69578Q1 is specified
- Mercury 60HP Outboards: Select propeller hardware applications where 69578Q1 is specified
- Mariner 30HP to 60HP Outboards: Select propeller hardware applications where 69578Q1 is specified
Why You Should Buy
- Correct Quicksilver prop nut kit for applications requiring 69578Q1
- Designed for select Mercury and Mariner 30HP to 60HP outboards
- Includes key propeller nut hardware for compatible propeller installation
- Useful for propeller replacement, missing hardware replacement, and seasonal service
- Helps ensure the propeller is secured with the proper nut and tab washer setup
- Best selected by exact part number, horsepower, prop shaft diameter, spline count, and owner’s manual application
Common Applications
- Mercury 30HP to 60HP propeller nut replacement
- Mariner 30HP to 60HP propeller hardware service
- Propeller nut and tab washer replacement
- Propeller installation hardware service
- Seasonal propeller removal and reinstallation
- Applications requiring Quicksilver 69578Q1
FAQ
- What is Quicksilver 69578Q1? Quicksilver 69578Q1 is a prop nut kit for select Mercury and Mariner 30HP to 60HP outboards.
- What horsepower range does this kit fit? This kit fits select Mercury and Mariner 30HP to 60HP applications where 69578Q1 is specified.
- What is included in the kit? The kit includes a nylock propeller nut and tab washers.
- What prop shaft diameter does this fit? This kit is used with select 0.8-inch prop shaft applications where specified.
- What spline count does this fit? This kit is used with select 13-tooth spline applications where specified.
- How should the hardware be installed? Install the thrust washer, propeller, and tab washer before installing the propeller nut.
- Can I operate without all propeller hardware installed? No. Do not operate your engine or drive without all propeller hardware in place.
- Should the prop shaft splines be greased? Yes. To aid future propeller removal, grease the prop shaft splines with Mercury 2-4-C or Mercury Special Lube 101.
- How should I confirm fitment? Match part number 69578Q1 to your Mercury or Mariner outboard model, horsepower, prop shaft diameter, 13-tooth spline count, thrust washer, tab washer, propeller nut requirement, Flo-Torq hub requirement, and owner’s manual before ordering.