This high-quality exhaust/intake manifold from MerCruiser is an essential component for your boat engine. With a Manufacturer Part Number of 42673, this part is specifically designed for the Alpha One 3.0 4 Cylinder model. It is made to fit perfectly and help your boat run smoothly.

The exhaust system is a crucial part of any boat engine, and this manifold is built to last. It is made from durable materials and designed to withstand the wear and tear of being out on the water. This product is a great investment for any boater looking to maintain the performance of their engine.