Notes: 133360 SHIM 49.8X40.2X0.5 is original CARRARO product. 133360 SHIM 49.8X40.2X0.55 is commonly used in transmissions/axles/engines 134998, 137394, 149569, 149570, 358923, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849