SIERRA Exhaust Manifolds 18-1942 Manifold Front End Plate

Manifold end plates machined for quick installation.

Sierra parts are engineered to meet or exceed the specifications of marine engine manufacturers and have gained the confidence of the marine industry. Each Sierra manifold end plate is an exact OEM match and is leak tested for quality assurance. Mating surfaces are CNC machined to provide the best possible seal without additional preparation. Precision castings feature uniform wall thickness and are primed and painted to stand up to the marine environment. Look no further than a Sierra manifold end plate for a quick out of the box installation.

Key Features

• Meets or exceeds manufacturer specifications
• Machined mating surfaces allow installation without additional preparation
• Each end plate features uniform wall thickness and is leak tested for quality assurance
• Pre-painted to stand up to marine environment
• Compatible with port or starboard sides
• Requires gasket Sierra p/n 18-2941 or 18-2941-9 (2 pack)
• Backed by SeaStar Solutions Limited Two-Year Warranty

How to find the end plate you need

Select your end plate by locating the OEM part number in the table below. If you don’t know the OEM part number, please visit our Engine Parts Selector, where you can search by engine make, model, horsepower, serial number and year of manufacturer.

We offer a variety of Sierra engine parts for most engine applications on the water today—including MerCruiser, OMC, Johnson/Evinrude, Volvo and more.