Engine acting up? Don’t let a faulty part keep you off the water. This genuine Mercury Marine MANIFOLD ASSEMBLY, Exhaust, Port and Starboard restores reliable performance and gets you back to what you love.

Engineered to Mercury’s rigorous OEM standards, this component ensures reliable operation across all engine RPM ranges. Part number 860246A15 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.

Smart boat owners know: buying cheap parts twice costs more than buying genuine Mercury once. Part 860246A15 delivers long-term value through superior materials and precision manufacturing.

Compatible Mercury Marine Engines

FITS: 357-383HP MERCRUISER

• Fits MERCRUISER 357-383HP engines
• Compatible HP: 357HP, 383HP
• Covers 3 serial number ranges
• Configurations: Outboard
• OEM genuine Mercury Marine part

COMPLETE SERIAL NUMBER COMPATIBILITY:

357HP Models

• 357HP OUTBOARD (Mercruiser)

383HP Models

• 383HP OUTBOARD (Mercruiser)

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

Verify part 860246A15 works with your Mercury using our parts finder tool. Have questions? Reach out using the contact buttons at the bottom of this page — our team is here to help by text, call, or email

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