Notes: 141937 O-RING 202.79x3.53 VITON 90 SHORE is original FARESIN product. 141937 O-RING 202.79x3.53 VITON 90 SHORE5 is commonly used in transmissions/axles/engines 136532, 136534, 138709, 139505, 139506, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849