Genuine Case IH 1346907C91 piston ring, engineered for optimal performance and durability in Case IH agricultural and industrial machinery. This OEM piston ring ensures a precise fit and reliable sealing for engine combustion efficiency. It is a critical component for engine overhaul and maintenance in a wide range of Case IH tractors, combines, cotton pickers, forage harvesters, industrial/construction equipment, and windrowers, specifically for D436, D466, DT436, and DT466 engine series.