Replacement Oxygen Sensor Upstream - Replaces 234-9021, 8946741030, 8946741040 - Compatible with Lexus and Toyota Vehicles - ES300, Avalon, Camry, Sienna, Solara - 3.0L - 2000, 2001, 2002, 2003, 2004
Replacement Oxygen Sensor Upstream - Replaces 234-9021, 8946741030, 8946741040 - Compatible with Lexus and Toyota Vehicles - ES300, Avalon, Camry, Sienna, Solara - 3.0L - 2000, 2001, 2002, 2003, 2004 Replacement Upstream Oxygen Sensor - Sometimes referred to as O2 or Lambda Sensor measures the amount or proportion of oxygen mixed in the fuel of your vehicle which is essential in the proper operation of your catalytic converter. The vehicle then determines whether it is necessary to adjust for it to perform properly. Compatible Replacement for Toyota Vehicles - 2000-2001 ES300 3.0L | 2000-2004 Avalon 3.0L | 2001 Camry 3.0L | 2001-2003 Sienna 3.0L | 2001-2003 Solara 3.0L. This oxygen sensor manufactured by AA Ignition is a replacement for the front upstream location of the vehicle. It is heated and has 4 wire leads for an exact replacement. Replaces Part# 234-9021, 8946741030, 8946741040, 8946733030, 5S3572 usually found on popular Avalon, Camry, and Sienna including year models