Stop wasting money on aftermarket parts that fail. Invest in genuine Mercury Marine quality once – this MANIFOLD ASSEMBLY, Exhaust, Starboard outlasts cheap alternatives by years.

Designed and manufactured to Mercury Marine OEM standards, this component ensures reliable operation across all engine RPM ranges. Part number 879288A01 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 879288A01 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: 5-377HP MERCRUISER

• Fits MERCRUISER 5-377HP engines
• Compatible HP: 5HP, 6HP, 350HP, 377HP
• Covers 19 serial number ranges
• Configurations: Outboard
• OEM genuine Mercury Marine part

COMPLETE SERIAL NUMBER COMPATIBILITY:

5HP Models

• 5HP OUTBOARD (Mercruiser): 1A300000-1A611927, 1A611928-1A623184, 1A090000-1A092168

6HP Models

• 6HP OUTBOARD (Mercruiser): 1A091600-1A092168

350HP Models

• 350HP MAG MPI (Mercruiser): 1A300000-1A611927, 1A611928-1A623184
• 350HP OUTBOARD (Mercruiser): 1A300000-1A611927, 1A611928-1A623184

377HP Models

• 377HP MAG MPI BRAVO EC (Mercruiser): 1A343300-1A611927, 1A611928-1A623184

HP Models

• HP OUTBOARD (Mercruiser): 1A091488-1A092170

Not sure where to find your engine’s serial number? View our quick reference guide to locate it on your Mercury Marine engine.

Verification & Support

Not sure if part 879288A01 fits your engine? Try our parts finder tool — it’s quick and easy. Need expert help? Contact us using the buttons at the bottom of this page – text, call, or email, whatever works best for you

Serving boaters for over 40 years. Competitive pricing, same-day shipping on most orders.