18-2909-9 Exhaust Manifold Gasket for OMC Sterndrive/Cobra Stern Drives, Qty. 2

Install manifolds with confidence using Sierra gaskets.

Sierra manifold gaskets are manufactured to stringent standards and are fully interchangeable with the OEM gaskets they replace. The Grafoil® material used in these gaskets meets or exceeds manufacturer specifications to give boaters and technicians the assurance of an OEM fit and performance that will match or surpass the original gasket.

Key Features

• Gaskets are engineered to meet or exceed manufacturer’s specifications
• Fits GM V6 (262 cu. in/ 4.3L).based marine engine applications
• Compatible with Sierra p/n 18-1932 and 18-1952-1 manifolds

How to find the manifold gasket you need

Select your manifold gasket 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…