4-Pack Upstream & Downstream Oxygen O2 Sensors For Toyota Sienna 2004-2006 3.3L V6

Is your check engine light on for an O2 sensor?

This is the complete set for your 2004-2006 Toyota Sienna with the 3.3L V6.

You get four sensors total—both upstream and downstream (front and rear).

They're from wfyb and are a direct replacement for OEM numbers like 89467-08040 and 89465-08030, and interchange with 234-9042, 234-4168, and more.

They come with a manufacturer warranty and are ready to bolt in.

Replace all four at once and get your fuel economy and engine performance back where it should be.