MerCruiser 5.0/5.7/6.2 350 Exhaust Manifold – OEM Replacement for 860246Q11, 860246A10, 860246A15, 860246-C

Genuine OEM MerCruiser exhaust manifold (part number 860246Q11), specifically designed for wet-joint 5.0L, 5.7L, and 6.2L MerCruiser V8 engines. Ideal for replacing worn or cracked manifolds, it delivers factory-grade performance, durability, and corrosion resistance in demanding marine environments.

Replaces previous part numbers:

• 860246A10

• 860246A15

• 860246-C

Fitment Notice:

• Fits wet-joint style manifolds only

• Compatible with most GM-based V8 MerCruiser engines from approximately 1983 to 2002

• Will not fit later dry-joint style manifolds (typically 2002 and newer)

Not sure which you have? Wet-joint manifolds use a gasket that seals water and exhaust ports together—check your riser gasket or contact us for help.

Engine Compatibility:

• MerCruiser 5.0L (305 CID) V8

• MerCruiser 5.7L (350 CID) V8

• MerCruiser 6.2L (377 CID) V8 (wet-joint models only)

Features:

• OEM part – built to MerCruiser factory specs

• Cast iron with corrosion-resistant coating

• Designed for use with MerCruiser OEM risers and elbows

• Direct bolt-on fit for wet-joint engines

We offer both OEM and aftermarket options to meet different needs and budgets. This listing is for the OEM MerCruiser 860246Q11 manifold, ideal for those looking for exact factory replacement and long-term reliability.