Applicable models MASS AIR FLOW METER MAF SENSOR Height 5WK-97502Z, 5WK9-7502, The surface roughness of the inner hole Ra value 7 520 519 03,7 520 519 02,7 520 519 01, Displacement 7520519-03, 7520519-02, 7520519-01, V20-72-5141