The Case-IH 81820875 Spacer is an authentic OEM component designed for use in a wide range of Case-IH agricultural equipment. This genuine spacer ensures proper fit and function, contributing to the reliable operation of your machinery. It is compatible with 5100 and 5200 series tractors, 1600, 2100, 2300, 2500, 5000, 6000, and 7000 series combines, 1800, 2000, 2100, and 2500 series cotton pickers and strippers, 781 forage harvesters, and 8800 series windrowers.