Maintain peak Mercury Marine performance with this factory-engineered GASKET, PUMP COVER. Designed for precision installation and built to handle demanding marine environments season after season.

Designed and manufactured to Mercury Marine OEM standards, this pump ensures reliable operation across all engine RPM ranges. Part number 91749M 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.

Why risk your Mercury engine with questionable aftermarket parts? Genuine part 91749M is built to last, backed by Mercury Marine’s decades of marine engineering expertise and proven reliability.

Compatible Mercury Marine Engines

FITS: 4-5HP MARINER

• Fits MARINER 4-5HP engines
• Compatible HP: 4HP, 5HP
• Covers 4 serial number ranges
• Configurations: Outboard
• OEM genuine Mercury Marine part

COMPLETE SERIAL NUMBER COMPATIBILITY:

4HP Models

• 4HP OUTBOARD (Mariner)

5HP Models

• 5HP OUTBOARD (Mariner)

Looking for your Mercury engine serial number? Our helpful guide shows you exactly where serial numbers are located on different engines.

Verification & Support

Double-check compatibility for part 91749M 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)

Four decades of marine parts experience. Discount pricing with expert service – shipping daily.