Sierra 18-3700 Propeller Nut for Mercury MerCruiser Honda Marine Outboard

The Sierra 18-3700 is a precision-engineered propeller nut designed to securely fasten propellers on a wide range of marine outboard motors and stern drives. This replacement propeller nut meets or exceeds original equipment specifications, providing reliable performance in demanding marine environments.

Key Features:

• 3/4"-20 thread size for precise fitment
• 1-1/16" wrench size for easy installation and removal
• Anti-galling design minimizes thread damage during installation
• Constructed from durable materials to withstand harsh marine conditions
• Ensures propeller remains securely attached during operation
• Backed by Sierra's limited lifetime warranty

OEM Cross-References:

• Chrysler/Force: F7000, 11-F7000, F7040, 11-52707A1
• Honda: 90301-ZW1-003
• Mercury Marine: 11-52707, 11-827614
• MerCruiser Stern Drive: 11-52707, 11-52707B, 11-827614, 11-827614B
• Pleasurecraft: R017066
• GLM: 21230

Compatible Applications: Fits Mercury/Mariner outboards (40-300 HP including 4-stroke, Bigfoot, Command Thrust, Sea Pro, and Marathon models), MerCruiser stern drives (Alpha One, Bravo One), Honda outboards (BF75, BF90), Chrysler/Force outboards (75-150 HP), and Pleasurecraft engines. This essential hardware component is designed for use with Sierra prop nut kits 18-3701 and 18-3701D, and prop wrench kit 18-4446.