Notes: 644941 TUBE L220 ST 37.4 D.10X1.5 DIN 2931 is original CARRARO product. 644941 TUBE L220 ST 37.4 D.10X1.5 DIN 29312 is commonly used in transmissions/axles/engines 641391, 641391, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849