Bank-1 Sensor-1; Upstream. Compatible with or fits: 1999 - 2001 Honda CR-V 2.0L 4 Cyl B20Z2 FI Naturally Aspirated GAS. Compatible with or fits: 1997 - 1998 Honda CR-V 2.0L 4 Cyl B20B4 FI Naturally Aspirated GAS. For 2.0L 4-Cylinder Gas Only. Review Description to Ensure Proper Fit.
