Notes: 116916 COMPRESSION SPRING 1.7-25.4-49.5 is original CARRARO product. 116916 COMPRESSION SPRING 1.7-25.4-49.55 is commonly used in transmissions/axles/engines 134998, 139062, 143877, 143878, 144229, . if you have any questions please do not hesitate to contact us via Whatsapp +17275652849