The 3555978M1 is a genuine OEM washer designed for various agricultural applications. This high-quality component ensures secure fastening and proper spacing within machinery assemblies. It is compatible with a wide range of Massey Ferguson, Valtra, Fendt, and Challenger tractors and other equipment, serving as a direct replacement for the original part. Weighing approximately 0.005 kg, this washer is manufactured to precise specifications for durability and reliable performance.