This is a genuine Kobelco 2866636 Gasket, designed for use in a wide range of Kobelco excavators including SK130SRLC-3, SK135SRLC-3, SK140SRLC-5, SK170LC-5, SK210LC-5, SK210LC-6, SK210LC-6E, SK210LC-8, SK210NLC-6, SK210NLC-6E, SK210NLC-8, SK235SRLC-2, SK235SRLC-3, SK260LC-8, SK290LC-6, SK290LC-6E, SK290LC-8, SK330LC-6, SK330LC-6E, SK330LC-8, SK350LC-8, SK480LC-6, SK480LC-6E, SK480LC-8, SK500LC-8, SK70SR-2, SK70SR-3, SK70SRLC-2, SK70SRLC-3, SK75SR-3, SK75SRLC-3, SK80CS-3, SK80CSLC-3, SK80MSR-3, SK80MSRLC-3 models. Ensure proper sealing and performance with this authentic OEM part.