The Case-IH 391803A1 genuine OEM toothed coupling is engineered for robust power transmission in Case-IH agricultural equipment. This durable coupling is a direct replacement for part numbers 198967A1, 198967A2, and 198967A3. It is compatible with a wide range of Case-IH combines, cotton pickers, forage harvesters, and tractors. With precise dimensions of 95.25 mm length, 50.8 mm width, and 50.8 mm height, and a weight of 0.0544 kg, the 391803A1 ensures reliable and efficient operation.