Toyota Highlander Oxygen Sensors
We found 17 eBay listings for Toyota Highlander oxygen sensors, covering model years 2001 to 2019.
All Toyota oxygen sensor listings by model
Last checked: . Confirm current price and fitment with the seller.
Compare oxygen sensors options for the Toyota Highlander by part number, specification and seller fitment details. Matching listing titles mention 2001–2019; 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 Highlander oxygen sensors checked on 4 November 2026, 11 give model years between 2001 and 2019, most often 2004–2007 (5). Positions named in the titles: downstream (10). Brands named: Denso (7). Part numbers in more than one title: 234-4509, 234-9042. 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 highlander oxygen sensors"
Denso 1Pc Oxygen O2 Sensor Downstream 234-4509 for Toyota Highlander Lexus RX330
4CS Oxygen Sensors Up& Downstream For TOYOTA Highlander 2004-2016 3.3L 3.5L V6
Oxygen O2 Sensor Downstream 234-4509 Fits For Toyota Highlander Lexus RX330
DENSO Downstream Right Oxygen sensor For TOYOTA HIGHLANDER 2004-2007 3.3L V6
DENSO Oxygen Sensor O2 Downstream 234-4168 for 04 05 06 07 Toyota Highlander
4X Oxygen O2 Sensors Fit Lexus RX330 2004-2006 Toyota Highlander 3.3L 2004-2007
Up & Down Oxygen Sensors for Toyota Highlander Lexus RX330 3.3L 2004-2007
4pcs Upper+Lower O2 Oxygen Sensors For For Toyota Highlander 3.5L 2008-2019
234-4215 Denso O2 Oxygen Sensor DOWNSTREAM New for Toyota Highlander Lexus RX300
OEM Downstream O2 Oxygen Sensor for Toyota Highlander Lexus RX330 RX350 234-4509
NEW OEM Oxygen Sensor For TOYOTA HIGHLANDER 2008-2016 3.5L V6 Downstream Right
DENSO 234-9042 Upstream Oxygen sensor For Toyota Highlander 2004-2007 3.3L V6
DENSO 234-9042 Upstream Oxygen sensor For Toyota Highlander 2004-2007 3.3L V6
4pcs Up+Downstream Oxygen O2 Sensors For For Toyota 2008-2019 Highlander 3.5L V6
234-9009 GENUINE OEM Toyota Lexus Highlander RX300 Air Fuel Ratio Sensor V6
Bosch 15270 Oxygen Sensor for 2001-2003 Toyota Highlander RAV4
OEM-Downstream Oxygen Sensor Denso 234-4509 For 2011 TOYOTA HIGHLANDER 2.7L L4
Questions about these listings
Which model years are named in the listings for Toyota Highlander oxygen sensors?
11 listing titles give model years from 2001 to 2019; 2004–2007 appears most often (5 listings). Check your car’s year against the fitment details in each listing.
Which positions are named in the listings for Toyota Highlander oxygen sensors?
The titles name downstream (10 listings). 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 Highlander oxygen sensors?
234-4509 and 234-9042 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 Highlander 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 Highlander 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.