Toyota Sienna Oxygen Sensors
We found 17 eBay listings for Toyota Sienna oxygen sensors, covering model years 2001 to 2020.
All Toyota oxygen sensor listings by model
Last checked: . Confirm current price and fitment with the seller.
Compare oxygen sensors options for the Toyota Sienna by part number, specification and seller fitment details. Matching listing titles mention 2001–2020; this is seller-described coverage, not confirmed fitment. Check the exact generation, engine and required specification before choosing a listing.
What the listings say: Of the 17 listings for Toyota Sienna oxygen sensors checked on 6 November 2026, 15 give model years between 2001 and 2020, most often 2012–2015 (3). Positions named in the titles: downstream (12), upstream (6). Brands named: Denso (5). Part numbers in more than one title: 234-4516, 89467-48050. Titles are the sellers’ descriptions, not confirmed fitment: match the part number, model year, generation and engine before you buy.
Found 17 listings for "toyota sienna oxygen sensors"
For Toyota Sienna 2004-06 3.3L 89467-48050 4pcs O2 Up&Downstream Oxygen Sensors
For Toyota Sienna Oxygen Sensor Bank 1 Sensor 2 Downstream Rear 234-4516 Denso-
4PCS Up+Downstream Lambda 02 Oxygen Sensors For Toyota Sienna 3.5L FWD 2012-2015
Oxygen Sensor DENSO 234-8074 compatible with 2014-2017 Toyota Sienna 3.5L V6
DENSO 2349021 Fuel To Air Ratio Sensor Upstream For 2001-2003 Toyota Sienna 3.0L
Air Fuel Ratio Oxygen Sensors For Toyota Sienna V6 3.3L 3.5L 2004-2010 250-24420
DENSO O2 SENSOR FOR 2016 TOYOTA SIENNA 2GR-FE
Genuine DENSO Oxygen Sensor Downstream for 2016-2020 Toyota Sienna 3.5L V6
4pcs Upstream+Downstream Oxygen Sensors For Toyota Sienna 3.5L V6 2007 2008-2010
Downstream Oxygen O2 Sensor For Toyota Sienna 3.3/3.5L 2004-2010 V6 234-4516
4pcs Up&Downstream Oxygen O2 Sensors For Toyota Sienna 3.3L 2004-06 89467-48050
4pcs Upstream+Downstream Oxygen O2 Sensor For 2012-2015 Toyota Sienna FWD 3.5L
4pcs Upstream+Downstream Oxygen O2 Sensor For 2012-2015 Toyota Sienna FWD 3.5L
AISIN Qty(4) Upstream & Downstream Oxygen (O2) Sensor for Toyota Sienna V6 3.5L
Set Of 4 02 Oxygen O2 Sensors Up+Down For 2004 2005 2006 Toyota Sienna 3.3L V6
4Pcs O2 Oxygen Sensors Upstream Downstream For Toyota Sienna Camry 4Runner 01-12
4pcs Oxygen O2 Sensor For 2012 13 14 15 Toyota Sienna 3.5L FWD Up& Downstream
Questions about these listings
Which model years are named in the listings for Toyota Sienna oxygen sensors?
15 listing titles give model years from 2001 to 2020; 2012–2015 appears most often (3 listings). Check your car’s year against the fitment details in each listing.
Which positions are named in the listings for Toyota Sienna oxygen sensors?
The titles name downstream (12 listings) and upstream (6). Order for the position on your car, as stated in the title or the seller’s fitment details.
Which part numbers appear in more than one listing for Toyota Sienna oxygen sensors?
234-4516 and 89467-48050 appear in more than one title. Compare the number on your old part with the listing before you buy.
How do I check fitment before buying Toyota Sienna oxygen sensors?
Find which sensor has failed. Upstream sensors sit before the catalytic converter and control fuelling; downstream sensors sit after it and monitor the converter. A fault code that names the bank and sensor number identifies the position. Some engines use a wideband (air-fuel ratio) sensor upstream. It is not interchangeable with an ordinary oxygen sensor, so match the type as well as the position.
Check compatibility before buying
These listings were found using Toyota Sienna oxygen sensors search terms. A search match does not establish fitment. Compare the part number, vehicle year, generation and engine with the seller's compatibility details. Confirm delivery, returns and the final price on eBay before ordering.
Match the oxygen sensor to its exact position
Reference: NTK guide to oxygen (lambda) sensor types. Use the catalogue’s correct regional application.