Description:

Compatible with or fits: (Position: Upstream Left) 2010 Toyota 4Runner 2.7L 4 Cyl 2TR-FE FI Naturally Aspirated GAS. Compatible with or fits: (Position: Upstream Left) 2003 - 2004 Toyota 4Runner 4.0L V6 1GR-FE FI Naturally Aspirated GAS. Compatible with or fits: (Position: Upstream Right) 2010 Toyota 4Runner 2.7L 4 Cyl 2TR-FE FI Naturally Aspirated GAS. Compatible with or fits: (Position: Upstream Right) 2003 - 2004 Toyota 4Runner 4.0L V6 1GR-FE FI Naturally Aspirated GAS. Review Description to Ensure Proper Fit.