Features: 5PCS oil tank grommet set for universal compatibility with engines including CH11, CH12.5, CH13, CH14, CH15, CH410, CH430, CH450, CH5, CH6, CV460, TH16, TH18, CH26; H50, H60, H70, H80, HH40, HH60, HH70, HM70, HM80, HM100, HS40, HS50, HHM80; and models Z6000, Z6400, Z6600, Z6900, Z8200, Z8400, Z8600, ZS6500, ZS6700, ZTL7000, ZTL8000. Designed to fit 13mm (0.5 inch) tank openings with durable rubber construction. Precisely engineered with inner diameter 3/8 inch, outer diameter 1 inch, and height 5/8 inch. These replacement rubber gaskets create reliable seals for oil systems in outdoor power equipment. Ideal for homeowners and professionals maintaining portable generators, pressure washers, and outdoor power tools requiring dependable oil line connections. Essential for seasonal maintenance, engine repairs, or upgrading oil tank assemblies in commercial-grade mowers and outdoor power tools. Made from oil-resistant rubber compound, these OEM-equivalent grommets withstand extreme temperatures and vibrations, delivering long-lasting performance for small engine applications. Specifications: Component: Rubber Gasket Outer Diameter: Approx. 2.54 cm (1 inch) Gasket Inner Diameter: 3/8 inch Height: 5/8 inch Color: Black Fits 13mm oil tank holes Please verify compatibility with your model before purchase. Package Includes: 5PCS Rubber Grommet Note: Allow for minor measurement variance due to manual measurement. Color may vary slightly depending on monitor settings.