Notes: 133757 O-RING 209.14x3.53 VITON 90 SHORE is original CARRARO product. 133757 O-RING 209.14x3.53 VITON 90 SHORE5 is commonly used in transmissions/axles/engines 138202, 138203, 138620, 138628, 138629, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849