Compare Maximum number of 4 items selected Denso Direct Fit Air-Fuel Ratio Sensor - 234-9091 Part #: 234-9091 Line: DEN Denso Direct Fit Air-Fuel Ratio Sensor 1 Year Limited Warranty Number Of Wires: 4 Thread Size: M18 Technology: Wide Band Hex Size (mm): 22mm Attachment Method: Screw-In Overall Length (in): 13-3/4 Inch Hex Size (in): 7/8 Inch Heated: Yes Show More Show Less