The Reekie RKRNS1040 is a high-quality fuel filter element specifically designed for various Massey Ferguson tractor models. This genuine Reekie part ensures efficient fuel filtration, protecting the engine from contaminants and maintaining optimal performance and longevity. It serves as a direct replacement for several OEM part numbers, including Massey Ferguson 1851890M1, 1851890M2, and 1851890M3, as well as AGCO 1851890M3. With precise dimensions, it guarantees a perfect fit and reliable operation in compatible agricultural machinery.