Notes: 149235 O-RING 4525 2-252 132.94x3.53 FKM 90 SHO is original CARRARO product. 149235 O-RING 4525 2-252 132.94x3.53 FKM 90 SHO1 is commonly used in transmissions/axles/engines . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849