OCPTY Mass Air Flow Sensor Fits for Lexus ES300 GS400 LS400 SC300 SC400 22204… Manufacturer: OCPTY. Insert the MAF sensor into place,Tighten the 7mm bolts,Connect the electrical connector. Mounting Type: Flange Mount. Mounting Type: Flange Mount. Item Weight: 6.5 ounces. Manufacturer Part Number: 118149-521. byJuly 4, 2026