Notes: 28624 O-RING 4600 2-258 151.99X is original CARRARO product. 28624 O-RING 4600 2-258 151.99X5 is commonly used in transmissions/axles/engines 132400, 132401, 133979, 137372, 139599, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849