Quicksilver 860235A03 Exhaust Manifold Kit for MerCruiser 3.0L L and LX Sterndrives

The Quicksilver 860235A03 is an OEM-grade replacement exhaust manifold kit engineered specifically for MerCruiser 3.0L L and LX sterndrive engines (model year 1990 and newer). Built to the same stringent specifications as the original equipment, this cast iron manifold delivers reliable exhaust routing and long-term durability in demanding marine environments.

The manifold features a protective coating on both internal coolant passages and exterior surfaces, providing critical corrosion resistance against the moisture and heat cycling common in marine exhaust systems. Everything needed for a complete installation is included in the kit, making this a convenient, all-in-one solution for service technicians and experienced DIY boaters alike.

Kit Includes:

• Cast iron exhaust manifold with corrosion-protective coating
• Lifting eye
• Gaskets
• Fuel line
• Bushings
• Connectors
• Drain plug
• Washers
• Fittings

OEM & Superseded Part Numbers: 806867A12, 806867A8, 815560A5

As the premier supplier of Mercury Marine original equipment replacement parts, Quicksilver products are designed, tested, and validated by the same engineers who build MerCruiser engines — ensuring a precise fit and performance match that aftermarket alternatives simply cannot replicate.