Save hundreds in dealer fees – install this genuine Mercury Marine IMPELLER COMPONENT OF WATER PUMP REPAIR KIT [42431M] OR [97793T] yourself. Our parts experts provide guidance if needed, and you get OEM quality at discount pricing.

Engineered to Mercury’s rigorous OEM standards, this pump ensures reliable operation across all engine RPM ranges. Part number 84797M 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.

Cut-rate alternatives might look similar, but they’re not engineered to Mercury’s exacting standards. Part 84797M delivers consistent performance because it’s built right — the same way Mercury does it at the factory.

Compatible Mercury Marine Engines

FITS: 20-30HP MARINER

• Fits MARINER 20-30HP engines
• Compatible HP: 20HP, 25HP, 30HP
• Covers 24 serial number ranges
• Configurations: Outboard
• OEM genuine Mercury Marine part

COMPLETE SERIAL NUMBER COMPATIBILITY:

20HP Models

• 20HP OUTBOARD (Mariner)

25HP Models

• 25HP OUTBOARD (Mariner)

30HP Models

• 30HP OUTBOARD (Mariner)

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

Verification & Support

Double-check compatibility for part 84797M using our parts finder tool. Still need assistance? No worries – contact us via the buttons at the bottom of this page (text, call, or email)

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