AUTO PART
Denso Air Fuel Ratio Sensor 234-5739 for 2021 Volkswagen Jetta
Air Fuel Ratio Sensor
Manufacturer Part Number234-5739
Part TypeAir Fuel Ratio Sensor
Vehicle Focus2021 Volkswagen Jetta
BrandDenso
Check the listed vehicle application and exact configuration before ordering.
Confirm year, make, model, engine and drivetrain before ordering.
Confirm year, make, model, engine and drivetrain before ordering.
Part Specifications
| Fitment | Specific |
|---|---|
| Grade Type | Standard Replacement |
| Sensor Type | Wide-Band |
| Wire Quantity | 5 |
| Wiring Harness Length | 26.57 IN |
Verified Vehicle Fitment
Make: Audi, Volkswagen
Model: 16 verified models — see exact combinations below.
Years: 2017–2026 — varies by model and configuration.
Check before ordering: Match the year, make, model, position, and every engine, transmission or other restriction in the same row. Listed years do not apply to every model.
View vehicle applications (29 configuration groups)
| Years | Make | Model | Position | Engine / transmission / notes |
|---|---|---|---|---|
| 2019 | Audi | A3 | Upstream | O.E. Quality Direct Fit Replacement Sensor |
| 2020 | Audi | A3 Quattro | Upstream | O.E. Quality Direct Fit Replacement Sensor |
| 2019–2021 | Audi | Q3 | Upstream | O.E. Quality Direct Fit Replacement Sensor |
| 2022–2025 | Audi | Q3 | Upstream | Engine ID: DSNA; O.E. Quality Direct Fit Replacement Sensor |
| 2025 | Audi | RS3 | Upstream | 6 pin; black; Bench 1, O.E. Quality Direct Fit Replacement Sensor |
| 2017–2020, 2022–2024, 2026 | Audi | RS3 | Upstream | O.E. Quality Direct Fit Replacement Sensor |
| 2019 | Audi | RS5 | Upstream Left | From 09/27/2018, O.E. Quality Direct Fit Replacement Sensor |
| 2018, 2021–2024 | Audi | RS5 | Upstream Left | O.E. Quality Direct Fit Replacement Sensor |
| 2019 | Audi | RS5 Sportback | Upstream Left | From 09/27/2018, O.E. Quality Direct Fit Replacement Sensor |
| 2021–2025 | Audi | RS5 Sportback | Upstream Left | O.E. Quality Direct Fit Replacement Sensor |
| 2019–2020 | Audi | S3 | Upstream | O.E. Quality Direct Fit Replacement Sensor |
| 2025 | Audi | S6 | Upstream | Sub Model: Premium Plus; Bank 2, O.E. Quality Direct Fit Replacement Sensor |
| 2025 | Audi | S6 | Upstream | Sub Model: Premium; Bank 2, O.E. Quality Direct Fit Replacement Sensor |
| 2025 | Audi | S6 | Upstream | Sub Model: Prestige; Bank 2, O.E. Quality Direct Fit Replacement Sensor |
| 2020–2024 | Audi | S6 | Upstream Left | O.E. Quality Direct Fit Replacement Sensor |
| 2025 | Audi | S7 Sportback | Upstream | Sub Model: Premium Plus; Bank 2, O.E. Quality Direct Fit Replacement Sensor |
| 2025 | Audi | S7 Sportback | Upstream | Sub Model: Premium; Bank 2, O.E. Quality Direct Fit Replacement Sensor |
| 2025 | Audi | S7 Sportback | Upstream | Sub Model: Prestige; Bank 2, O.E. Quality Direct Fit Replacement Sensor |
| 2020–2024 | Audi | S7 Sportback | Upstream Left | O.E. Quality Direct Fit Replacement Sensor |
| 2019–2023 | Audi | TT Quattro | Upstream | O.E. Quality Direct Fit Replacement Sensor |
| 2020 | Audi | TT RS Quattro | Upstream | From 03/16/2020, O.E. Quality Direct Fit Replacement Sensor |
| 2018–2019, 2021–2022 | Audi | TT RS Quattro | Upstream | O.E. Quality Direct Fit Replacement Sensor |
| 2019–2023 | Audi | TTS Quattro | Upstream | O.E. Quality Direct Fit Replacement Sensor |
| 2019 | Volkswagen | Arteon | Upstream | From 06/11/2018, O.E. Quality Direct Fit Replacement Sensor |
| 2020–2022 | Volkswagen | Arteon | Upstream | O.E. Quality Direct Fit Replacement Sensor |
| 2019 | Volkswagen | Golf R | Upstream | O.E. Quality Direct Fit Replacement Sensor |
| 2020–2021 | Volkswagen | GTI | Upstream | O.E. Quality Direct Fit Replacement Sensor |
| 2019–2022 | Volkswagen | Jetta | Upstream | Engine: 2.0 L4; O.E. Quality Direct Fit Replacement Sensor |
| 2026 | Volkswagen | Jetta | Upstream | Sub Model: GLI Autobahn; Pre Catalyst, O.E. Quality Direct Fit Replacement Sensor |
Source: supplier-verified applications for Denso 234-5739. A vehicle not listed is not confirmed compatible.
Shop more parts for your vehicle
Browse these vehicle parts pages, then check the restrictions on each product. Not every part on a vehicle page fits every engine or configuration.
Audi A3
Audi A3 Quattro
Audi Q3
Audi RS3
Audi RS5
Audi RS5 Sportback
Audi S3
Audi S6
Audi S7 Sportback
Audi TT Quattro
Audi TT RS Quattro
Audi TTS Quattro
Volkswagen Arteon
Volkswagen Golf R
Volkswagen GTI
Volkswagen Jetta
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