The New Holland 89821817 is a genuine OEM piston ring designed for optimal performance in various New Holland and Case IH agricultural and construction equipment. This critical engine component ensures proper cylinder sealing, contributing to efficient engine operation and longevity. It is compatible with a wide range of models including T8 and T9 series tractors, CR series combines, FR series forage harvesters, W series wheel loaders, L/C series skid steer/compact track loaders, and various FPT engines. It also fits numerous Case IH models such as Magnum, Quadtrac, Steiger, Puma, Maxxum, Farmall, Vestrum, Optum tractors, Axial-Flow combines, and Patriot sprayers.