Oxygen Sensor for Volvo 240 83-83 / XJs 93-95 Heated 3-Wire Threaded-In Type FREE 1-year UNLIMITED mileage warranty coverage on Evan-Fischer items purchased thru AUTO PARTS GIANT Store A high quality, Direct Fit OE Replacement Oxygen Sensor from Evan-Fischer 3-wire, Threaded-in, Thread Size: M18-1.5, Connector Gender: Male, Hex Size: 7/8 in., Wire Length: 38.75 in.