Take control of your Mercury maintenance with this genuine GASKET, CYLINDER BLOCK COVER 2,3,4PISTONS, CONNECTING RODS AND BEARINGS, ETC, ORDER: A-[73515A75] POWERHEAD ASS’Y (SHORT SHAFT) :A-[64933A73] POWERHEAD ASS’Y – SERIAL GROUP #1 A-64933A74 POWERHEAD ASS’Y – SERIAL GROUP #12 :A-[64933A75] POWERHEAD ASS’Y – SERIAL GROUP #13. Straightforward replacement that delivers factory results without shop labor costs.

Manufactured to strict Mercury Marine quality standards, this gasket ensures reliable operation across all engine RPM ranges. Part number 88449 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 88449 is built to last, backed by Mercury Marine’s decades of marine engineering expertise and proven reliability.

Compatible Mercury Marine Engines

FITS: 70HP MARINER, MERCURY

• Fits MARINER, MERCURY 70HP engines
• Compatible HP: 70HP
• Covers 6 serial number ranges
• Configurations: Outboard
• OEM genuine Mercury Marine part

COMPLETE SERIAL NUMBER COMPATIBILITY:

70HP Models

• 70HP OUTBOARD (Mariner): 5702220-6428680, 7177688-7208332
• 70HP OUTBOARD (Mercury): 5579017-6428680, 7145938-7208332, 9255131-9385910

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

Verification & Support

Questions about part 88449? Use our parts finder tool to verify fitment yourself. Prefer to talk to an expert? Use the contact buttons at the bottom of this page to reach our team by text, call, or email

Four decades of marine parts experience. Competitive pricing, same-day shipping on most orders.