Notes: 28125 O-RING 4131 32.92X3.53 is original CARRARO product. 28125 O-RING 4131 32.92X3.535 is commonly used in transmissions/axles/engines 134630, 137288, 137394, 137784, 137786, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849