Notes: 1000294571 CASSETTE RAD.SHAFT SEAL 165X195X/X16.5 is original WACKER-NEUSON product. 1000294571 CASSETTE RAD.SHAFT SEAL 165X195X/X16.51 is commonly used in transmissions/axles/engines . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849