The SM 7431 is a high-performance A/C compressor clutch pulley designed for a specific range of European-engineered platforms sharing the Valeo-type (VAL.TYPE) compressor architecture. This pulley is precision-machined to handle the unique belt offsets and high-torque demands of both the Ford 1.4L/1.5L TDCi diesel engines and the Skoda 2.0L TDI diesel units.