The MAE0121 return spring is an aftermarket component designed for use in a wide range of Massey Ferguson agricultural tractors. This spring plays a crucial role in the proper functioning of various mechanical assemblies, ensuring components return to their original position after activation. With a length of 100 mm, an outer diameter of 12 mm, and a wire diameter of 1.5 mm, this spring offers reliable performance and is a direct replacement for several OEM Massey Ferguson part numbers, including 1860002M1 and 3004547X1. It provides essential tension for optimal operation in compatible Massey Ferguson models.