Notes: 139231 O-RING 4675 171.04x3.53 VITON 90 SHORE is original CARRARO product. 139231 O-RING 4675 171.04x3.53 VITON 90 SHORE5 is commonly used in transmissions/axles/engines 138620, 139003, 139005, 139006, 139007, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849