Smart boaters fix it right the first time. This factory IMPELLER ensures professional results even for DIY installation – we’ll help verify it’s the right part.

Manufactured to strict Mercury Marine quality standards, this impeller ensures reliable operation across all engine RPM ranges. Part number 161543 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.

Factory parts exist for a reason — they work. Part 161543 undergoes rigorous Mercury Marine quality testing that aftermarket manufacturers skip. The result? Reliable performance season after season.

Compatible Mercury Marine Engines

FITS: 2-3HP MARINER, MERCURY

• Fits MARINER, MERCURY 2-3HP engines
• Compatible HP: 2HP, 3HP
• Covers 24 serial number ranges
• Configurations: Outboard
• OEM genuine Mercury Marine part

COMPLETE SERIAL NUMBER COMPATIBILITY:

2HP Models

• 2HP OUTBOARD (Mariner): 0G710613-0T894576, 0P017000-0P400999
• 2HP OUTBOARD (Mercury): 0T884302-0T894576, 0G710613-0T894576, 0P017000-0P400999

3HP Models

• 3HP OUTBOARD (Mariner): 0G710613-0T894576, 0P017000-0P400999
• 3HP OUTBOARD (Mercury): 0G710613-0T894576, 0P017000-0P400999

Don’t know where your serial number is? Our quick reference guide shows exactly where to find it on Mercury Marine engines.

Verification & Support

Verify part 161543 works with your Mercury using our parts finder tool. Have questions? Reach out using the contact buttons at the bottom of this page — our team is here to help by text, call, or email

40+ years of marine expertise. Competitive pricing, same-day shipping on most orders.