Sierra 18-55506 Mercury Outboard Starter

Sierra 18-55506 Mercury Outboard Starter

Sierra 18-55506 Mercury Outboard Starter is a marine-grade replacement starter designed for select Mercury 4-stroke EFI and Jet outboard engines. Sierra lists this starter as a direct replacement for Mercury OEM starter numbers 50-8M0088064, 50-8M0137769, and 50-8M0166297.

Key Features

• Sierra Part Number: 18-55506
• Application: Select Mercury 4-stroke outboards
• Gear reduction: 6:1 permanent-magnet design
• Updated solenoid design
• Improved planetary and clutch gear components
• Extended battery terminal for easier installation
• Sealed construction designed to reduce water intrusion
• Sierra limited lifetime warranty

Applications

Sierra lists the 18-55506 for selected:

• Mercury 75 EFI
• Mercury 80 EFI
• Mercury 90 EFI
• Mercury 100 EFI
• Mercury 115 EFI
• Mercury 65 Jet
• Mercury 80 Jet
• Mercury 115 Pro XS
• Selected SeaPro versions