This Overrunning Alternator Pulley from INA is a high-quality replacement part designed for optimal performance. Part Number: 535 0178 10. Specifications: Width 41.1 mm, Diameter 1/Diameter 2 49.3/17.0 mm, Number of grooves 6, Distance to first groove 16.6 mm. It requires special tools for mounting and is compatible with the manufacturer number F-556533.XX. This pulley is a type of Alternator Freewheel Clutch. Please verify compatibility with your specific vehicle and needs before purchase. Consult all relevant specifications such as dimensions and type. We cannot guarantee fitment in all situations as variations can occur.