The Claas 0133040800 is a genuine OEM fuel pump membrane designed for a wide range of Claas agricultural tractors, including models from the Arion, Axion, Atos, Elios, Nexos, Nectis, and Xerion series. This critical component ensures proper fuel delivery system function, maintaining engine performance and reliability. Manufactured to Claas's exact specifications, it guarantees a precise fit and optimal operation within the fuel pump assembly.