Stop fighting with your Mercury engine. This factory-spec **LINK, STARTER LOCKOUT | (SERIAL 00000000-00019910)** eliminates common issues and delivers the smooth operation you expect from genuine OEM components.

Precision-engineered for Mercury outboards, this component ensures reliable operation across all engine RPM ranges. Part number 91648M is manufactured to exact Mercury Marine factory specifications for precision installation and optimal performance. Constructed from premium marine-grade materials designed to withstand harsh saltwater and freshwater environments.

Don’t risk your Mercury engine with untested aftermarket copies. OEM part 91648M is manufactured to Mercury Marine’s exact specifications, ensuring compatibility and performance that inferior alternatives simply can’t match.

FITS: 20-25HP MARINER

• Fits MARINER 20-25HP engines
• Compatible HP: 20HP, 25HP
• Covers 16 serial number ranges
• Configurations: Outboard
• OEM genuine Mercury Marine part

COMPLETE SERIAL NUMBER COMPATIBILITY:

20HP Models

• 20HP OUTBOARD (Mariner)

25HP Models

• 25HP OUTBOARD (Mariner)

Not sure where to find your engine’s serial number? View our serial number location guide to quickly locate it on your Mercury engine.

Not sure if part 91648M fits your engine? Try our parts finder tool – it’s quick and easy. Need expert help? Contact us using the buttons at the bottom of this page – text, call, or email, whatever works best for you.

Family-owned business serving boaters for over 40 years. Low prices on factory parts with free shipping on orders over $100 (restrictions apply).