Pinion gear with 26 teeth and 21 internal splines. This precision manufactured transmission gear is to fit into the main traction gearbox on CNH Case 2100, 2300, 2500 and AF88 series combine harvesters. Manufactured by 'APB' - Agri Parts Bologna and 100% interchangeable with the original item. OEM Code 184217C1 (18AP003607).