Exhaust Manifold 860246A15 - Port or Starboard - For V-8 MerCruiser Stern Drive and Inboard Engines Made by GM 

• For select MerCruiser stern drive and inboard engines.
• Hot dipped and coated for corrosion protection on internal coolant passages and exterior finish. Can be used in freshwater or saltwater installations.
• Gasket is included with the manifold.
• Produced by Mercury Marine to our stringent original equipment manufacturer specifications to maximize the performance of your Mercury and Mariner outboard or MerCruiser stern drive

Exhaust manifold 860246A15 is for use on the port or starboard (left or right) side of V-8 MerCruiser stern drive and inboard engines made by General Motors. It fits 305, 350 and 377 cid engines (model year 1983 through 2002) . Gasket included with the manifold. Gasket included with the manifold. Can be used for freshwater or saltwater installations.