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Denso 234-5739 Air / Fuel Ratio Sensor - Upstream or Upstream LeftOE Quality 60-Day Returns
Part #: 234-5739

Denso 234-5739 Air / Fuel Ratio Sensor - Upstream or Upstream Left

Air / Fuel Ratio Sensor - OE Style, Upstream Left and Upstream
⚙️ 64 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$166.15Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
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🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
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✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
📦Air / Fuel Ratio Sensor - OE Style, Upstream Left and Upstream
🚗Fitment: Audi and Volkswagen, A3, A3 Quattro, Arteon, Golf R, GTI, Jetta, Q3, RS3, RS5, RS5 Sportback, S3, S6, S7 Sportback, TT Quattro, TT RS Quattro, and TTS Quattro
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? Click here for all Air / Fuel Ratio Sensor options
Denso 234-5739 Air / Fuel Ratio Sensor - Upstream or Upstream Left
BrandDenso
Part Number234-5739
PositionAir / Fuel Ratio Sensor - OE Style, Upstream Left and Upstream
Wiring Harness Length26.57
Sensor TypeWide-band
Universal Or Specific FitSpecific
Wire Quantity5
Grade TypeStandard replacement

This part fits 64 vehicles. Search below:

YearMakeModelPositionNotes
2024AudiQ3UpstreamO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2024AudiRS3UpstreamO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2024AudiRS5Upstream LeftO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2024AudiRS5 SportbackUpstream LeftO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2024AudiS6Upstream LeftO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2024AudiS7 SportbackUpstream LeftO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2023AudiQ3UpstreamO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2023AudiRS3UpstreamO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2023AudiRS5Upstream LeftO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2023AudiRS5 SportbackUpstream LeftO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2023AudiS6Upstream LeftO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2023AudiS7 SportbackUpstream LeftO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2023AudiTT QuattroUpstreamO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2023AudiTTS QuattroUpstreamO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2022AudiQ3UpstreamO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2022AudiRS3UpstreamO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2022AudiRS5Upstream LeftO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2022AudiRS5 SportbackUpstream LeftO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2022AudiS6Upstream LeftO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2022AudiS7 SportbackUpstream LeftO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2022AudiTT QuattroUpstreamO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2022AudiTT RS QuattroUpstreamO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2022AudiTTS QuattroUpstreamO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2022VolkswagenArteonUpstreamO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2022VolkswagenJettaUpstreamO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2021AudiQ3UpstreamO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2021AudiRS5Upstream LeftO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2021AudiRS5 SportbackUpstream LeftO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2021AudiS6Upstream LeftO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2021AudiS7 SportbackUpstream LeftO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2021AudiTT QuattroUpstreamO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2021AudiTT RS QuattroUpstreamO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2021AudiTTS QuattroUpstreamO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2021VolkswagenArteonUpstreamO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2021VolkswagenGTIUpstreamO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2021VolkswagenJettaUpstreamO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2020AudiA3 QuattroUpstreamO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2020AudiQ3UpstreamO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2020AudiRS3UpstreamO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2020AudiS3UpstreamO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2020AudiS6Upstream LeftO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2020AudiS7 SportbackUpstream LeftO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2020AudiTT QuattroUpstreamO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2020AudiTT RS QuattroUpstreamO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2020AudiTTS QuattroUpstreamO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2020VolkswagenArteonUpstreamO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2020VolkswagenGTIUpstreamO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2020VolkswagenJettaUpstreamO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2019AudiA3UpstreamO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2019AudiQ3UpstreamO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2019AudiRS3UpstreamO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2019AudiRS5Upstream LeftO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2019AudiRS5 SportbackUpstream LeftO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2019AudiS3UpstreamO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2019AudiTT QuattroUpstreamO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2019AudiTT RS QuattroUpstreamO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2019AudiTTS QuattroUpstreamO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2019VolkswagenArteonUpstreamO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2019VolkswagenGolf RUpstreamO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2019VolkswagenJettaUpstreamO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2018AudiRS3UpstreamO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2018AudiRS5Upstream LeftO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2018AudiTT RS QuattroUpstreamO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2017AudiRS3UpstreamO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

06K906265C06M906265A07K906262G07K90626523457398W0906265L

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

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