Stop fighting with your Mercury engine. This factory-spec DIAPHRAGM 4,6CONTENTS OF CARBURETOR REPAIR KIT [14184M]. :CONTENTS OF LOWER UNIT GASKET SET [27-96324M]. eliminates common issues and delivers the smooth operation you expect from genuine OEM components.

Manufactured to strict Mercury Marine quality standards, this gasket ensures reliable operation across all engine RPM ranges. Part number 91753M 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.

Aftermarket parts might save a few dollars upfront, but genuine Mercury Marine part 91753M saves you money long-term by lasting years instead of months. Factory precision means perfect fit — no modifications, no surprises.

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)

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 91753M 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)

Trusted marine parts specialist since 1985. Competitive pricing, same-day shipping on most orders.