Description:

Compatible with or fits: (Note: Left; Position: Upstream) 1999 - 2002, 2004 - 2005 Ford Explorer 4.0L V6 VIN: E FI Naturally Aspirated Gas. Compatible with or fits: (Note: Right; Position: Upstream) 1999 - 2002, 2004 - 2005 Ford Explorer 4.0L V6 VIN: E FI Naturally Aspirated Gas. Compatible with or fits: (Note: Right; Position: Upstream) 1999 - 2001 Ford Explorer 5.0L V8 VIN: P FI Naturally Aspirated Gas. Compatible with or fits: (Note: Right; Position: Upstream) 1999 - 2000 Ford Explorer 4.0L V6 VIN: X FI Naturally Aspirated Gas Automatic Transmission. Compatible with or fits: (Note: Right; Position: Upstream) 1999 - 2000 Ford Explorer 4.0L V6 VIN: X FI Naturally Aspirated Gas Manual Transmission.