Notes: 123917 SHIM 34X12.5X0.2 is original CARRARO product. 123917 SHIM 34X12.5X0.25 is commonly used in transmissions/axles/engines 140242, 140247, 140490, 140491, 144514, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849