Oxygen Sensor for Hyundai Excel 92-94 / Sonata 94-01 Heated 4-Wire After Catalytic Converter 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 4-wire, Threaded-in, Thread Size: M18-1.5, Connector Gender: Male, Hex Size: 7/8 in., Wire Length: 14 in.