Replacement Oxygen Sensor – Replaces 234-9001, 8946734021, 8946735030 – Compatible with Toyota Vehicles – Tundra, Tacoma, 4Runner 2000, 2001, 2002, 2003, 2004 – 2.4L, 2.7L, 3.4L
- 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 perform properly.
- Compatible Replacement for Toyota Vehicles – 2000, 2001, 2002, 2003, 2004 Tundra 3.4L | 2001, 2002, 2003, 2004 Tacoma 2.4L / 2.7L | 2000 4Runner |. 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# 234-9001, 8946734021, 8946735030, 8946735050, 8946735060 usually found on popular Tundra, Tacoma and 4Runner including year models 00, 01, 02, 03, 04. A lot of people buy the wrong oxygen sensor because of the wrong plug and length of the sensor. Please make sure to check your old sensor to see if the plug and pins are alike or better the whole sensor itself
- OEM Fit, Quality, Finish – This replacement 02 Oxygen Sensor is a direct replacement for the Oxygen Sensor part# 234-9001 and will fit, work and function like the original part or even better. The oxygen sensors maintains engine performance and fuel efficiency by reducing harmful emissions which helps extend the life of the catalytic converter.
- This replacement Oxygen Sensor from AA Ignition comes complete with a lifetime warranty. If the part ever fails on your Tundra, Tacoma and 4Runner simply contact us for a replacement. Save time and money by taking advantage of our warranty and replacing this part yourself.
This replacement 02 Oxygen Sensor is a direct replacement for the Oxygen Sensor part# 234-9005 and will fit, work and function like the original part. The oxygen sensors can be found in the exhaust system and some vehicles are equipped with multiple sensors.
Compatible with the following vehicles:
2000-2004 Toyota Tundra 3.4L
2001-2004 Toyota Tacoma 2.4L, 2.7L
2000 Toyota 4Runner 2.7L
Replaces part numbers: 234-9001, 8946734021, 8946735030, 8946735050, 8946735060. This is a compatible replacement part manufactured by AA Ignition. This 02 Oxygen Sensor is NOT a genuine OEM part and their associated vehicle models and part numbers are used in this listing only to identify the vehicles and part models this oxygen sensor fits.