Compatible with or fits: 1999 - 2000 Honda Civic Si 1.6L 4 Cyl B16A2 FI Naturally Aspirated Gas. Compatible with or fits: 1998 - 2000 Honda Civic EX 1.6L 4 Cyl D16Y8 FI Naturally Aspirated Gas. Downstream Oxygen Sensor. Bank: 1; Sensor: 2. Review Description to Ensure Proper Fit.
