Notes: 141936 O-RING 2037 9.25x1.78 VITON 75 SHORE A is original FARESIN product. 141936 O-RING 2037 9.25x1.78 VITON 75 SHORE A5 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