This genuine Tecumseh cylinder head gasket cover can be used as a replacement part for the small engine of a snowblower or a tiller. The cylinder head gasket seals off the cylinder head from the engine block. The function of a cylinder head gasket cover is to protect the cylinder head from damage and provide additional insulation.A cylinder head gasket cover might suffer damage over time from general overuse or wear and tear. This damage can come in the form of punctures, piercings, and corrosion to the cover that chip away at the gasket cover's ability to protect the cylinder head gasket and seal it off. If cylinder head gasket cover shows these signs of damage, it should be immediately removed and replaced with this genuine OEM part. Remember to always wear gloves when handling, repairing, and operating outdoor equipment. This is an OEM part sourced directly from the manufacturer. It is sold individually. This cylinder head gasket cover is compatible with the following brands: Tecumseh, Toro, Craftsman, and Husqvarna.