Audi A8 Oxygen Sensors
We found 20 eBay listings for Audi A8 oxygen sensors, covering model years 2002 to 2018.
All Audi oxygen sensor listings by model
Last checked: . Confirm current price and fitment with the seller.
Compare oxygen sensors options for the Audi A8 by part number, specification and seller fitment details. Matching listing titles mention 2002–2018; 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 20 listings for Audi A8 oxygen sensors checked on 4 November 2026, 13 give model years between 2002 and 2018, most often 2013–2018 (6). Positions named in the titles: downstream (7), upstream (6), lower (3). Part numbers in more than one title: 234-5019. Titles are the sellers’ descriptions, not confirmed fitment: match the part number, model year, generation and engine before you buy.
Found 20 listings for "audi a8 oxygen sensors"
2x Upstream O2 Oxygen Sensors for Audi A4 2006-2008 Q5 Q7 A4 A5 A6 A7 A8 Quattro
4Pcs Upper+Lower Oxygen O2 Sensor For 2013-2018 Audi A8 Quattro S6 S7 S8 4.0L US
4Pcs Upper+Lower Oxygen O2 Sensor For 2013-2018 Audi A8 Quattro S6 S7 S8 4.0L US
For 2013 -2018 Audi A8 Quattro S6 S7 S8 4.0L Set Of 4 Up+Down O2 Oxygen Sensor
2pcs Downstream O2 Oxygen Sensors for Audi A4 A5 A6 A7 A8 Quattro Q5 S4 S5 SQ5
Upstream O2 Oxygen Sensor OEM For VW Touareg Audi A4 A5 A6 A8 Quattro 234-5019
Downstream Right Cl 2,4,6 O2 Lambda Oxygen Sensors For Audi A8 2012-2016 6.3 W12
O2 Oxygen Sensor Downstream Left For 2002 Audi A8 Quattro 4.2L V8 077906265AA
NGK / NTK Oxygen Sensor 2004 2005 2006 2007 2008 2009 AUDI A6 A8 QUATRO S4 Rear
4x Upstream & Downstream O2 Oxygen Sensors for Audi A8 Quattro 2013 2014 S4 S5
O2 Oxygen Sensor DOWNSTREAM for Audi S5 Q5 SQ5 S4 A6 Quattro A7 A8 A5 A4 2009
NEW OEM Bosch 18026 Oxygen Sensor For- Audi A5 Quattro A4 Quattro A8 - NO BOX
OEM Upstream Oxygen O2 Sensor 234-5019 For VW Touareg Audi A4-A8 Quattro S6 S8
4pcs Up+Down Oxygen Sensor For 2013-2018 Audi A8 Quattro S6 S7 S8 4.0L V8 Turbo
For 2013 -2018 Audi A8 Quattro S6 S7 S8 4.0L Set Of 4 Up+Down O2 Oxygen Sensor
New OEM 077906265K Lambda Probe Oxygen O2 Sensor Audi A4 A6 A8 TT VW Golf
A-Premium 2x Downstream O2 Oxygen Sensor for Audi A4 Quattro A6 Quattro A7 A8
17178 Oxygen Sensor O2 Fits Audi A3 A4 A5 A8 Q5 Q7 R8 Porsche Cayenne Upstream
Oxygen Sensor For Upstream or Downstream Audi A3 1.8 L 2015-2016 A8 6.3L 2013
4pcs Upper+Lower Oxygen Sensor For 2013-2018 Audi A8 Quattro 4.0L Turbocharged
Questions about these listings
Which model years are named in the listings for Audi A8 oxygen sensors?
13 listing titles give model years from 2002 to 2018; 2013–2018 appears most often (6 listings). Check your car’s year against the fitment details in each listing.
Which positions are named in the listings for Audi A8 oxygen sensors?
The titles name downstream (7 listings), upstream (6) and lower (3). 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 Audi A8 oxygen sensors?
234-5019 appears 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 Audi A8 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 Audi A8 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.