Aftermarket Mercruiser 860235A03 3.0L Exhaust Manifold Barr MC-1-860235
Premium Replacement for Mercruiser 3.0L / 3.0LX Engines
Upgrade your Mercruiser engine with this high-quality 3.0L Exhaust Manifold Replacement, designed as a direct replacement for Mercruiser part number 860235A03 and multiple superseded parts. Engineered by H2O Performance, this manifold delivers exceptional reliability, durability, and a perfect OEM-fit for a seamless installation.
Replaces the following Mercruiser part numbers:
806867A12, 806867A2, 806867A3, 806867A8, 806867A9, 816329A3, 860235A03, 99798A18
Everything you need for a clean and easy installation is included:
Plugs
Exhaust gasket
Mounting hardware to head
(See product image for full kit contents.)
Direct replacement for Mercruiser 3.0L/LX (1990+)
Includes gasket, plugs & mounting hardware
High-quality construction for durability and reliability
Designed for superior exhaust performance
Backed by a 3-year warranty
Premium H2O Performance aftermarket part
Built to withstand harsh marine environments, this H2O Performance exhaust manifold ensures optimal exhaust flow, improved engine efficiency, and long service life. A dependable choice for boating enthusiasts seeking a premium aftermarket replacement.
H2O Performance components are precision-engineered to meet or exceed OEM standards, offering boat owners a reliable, cost-effective upgrade without compromising on quality or fitment.

Please note: Due to the shipping size of this product additional freight charges may apply if you live outside metro areas. If you would like a freight quote please contact us with your shipping address.