Denso
OE Style

Denso 234-5163 Air / Fuel Ratio Sensor - Upstream

Brand Denso 234-5163
Position Upstream
Connector Gender Male
Grade Type Regular
Sensor Type Heated
Thread Diameter 0.711
Universal Or Specific Fit Specific
Wire Quantity 5
Wiring Harness Length 17.05
Product line OE Style
Fits Audi, Bentley, and Volkswagen · 25 vehicles

OE style replacement. Precision-built for exact replacement and a first-time fit.

Heated sensor. Helps the sensor reach operating temperature quickly and consistently.

Five-wire design. Built with a male connector for a specific fit.

Cross-references Bosch 17042, Bosch 17072 and NTK 27050 for the same application. See all 11.

$142.29Free shipping
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Order total $142.29
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Free returns within 60 days if it doesn't fit when fitment is verified.

Denso OE Style Air/Fuel Ratio Sensor

Denso 234-5163 is an OE Style heated air/fuel ratio sensor built for specific-fit replacement on select Audi, Bentley, and Volkswagen applications. It is engineered for exact replacement fitment and consistent signal performance in upstream locations where accurate fuel control matters.

Key Features

  • Heated air/fuel ratio sensor for upstream exhaust placement
  • Specific-fit design for direct replacement on listed vehicles
  • 5-wire configuration with male connector
  • Wiring harness length: 17.05
  • Thread diameter: 0.711
  • OE Style construction for factory-style fit and connection

Product Details

The Denso OE Style line focuses on replacement parts built to match original equipment requirements for fit and function. Part number 234-5163 is precision-built and tested to OE standards, helping ensure the sensor installs correctly and communicates accurate air/fuel data to the engine management system. This part cross-references Bosch 17042 and NTK 27050 for the same application. It is a direct-fit option for upstream service on vehicles such as the Audi Q7, Audi A4 Quattro, Audi A5 Quattro, Audi Q5, Bentley Continental, and select Volkswagen models.

Vehicle Fitment

  • Fits 2021-2022 Audi Q7, Upstream. O.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
  • Fits 2020 Audi A4 allroad, Upstream. OE Style
  • Fits 2020 Audi A4 Quattro, Upstream. OE Style
  • Fits 2019-2020 Audi A5 Quattro, Upstream. OE Style
  • Fits 2019-2020 Audi A5 Sportback, Upstream. OE Style
  • Fits 2019 Audi A4 allroad, Upstream. From 03/29/2019; OE Style
  • Fits 2019 Audi A4 Quattro, Upstream. From 03/29/2019; OE Style
  • Fits 2017-2019 Audi Q7, Upstream. OE Style
  • Fits 2018 Audi A4 Quattro, Upstream. O.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
  • Fits 2018 Audi A5 Quattro, Upstream. O.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
  • Fits 2018 Audi Q5, Upstream. OE Style
  • Fits 2013-2016 Audi Q5, Upstream. OE Style
  • Fits 2015 Bentley Continental, Upstream. Cylinder 5,6,7,8; OE Style
  • Fits 2014 Volkswagen Beetle, Upstream. To 06/29/2014; OE Style
  • Fits 2014 Volkswagen Jetta, Upstream. OE Style
  • Fits 2014 Volkswagen Passat, Upstream. OE Style

Common Issues This Sensor Can Address

  • Faulty upstream air/fuel ratio sensor readings
  • Check engine light concerns related to mixture control
  • Rough idle or drivability issues tied to incorrect fuel trim data
  • Reduced fuel economy caused by inaccurate exhaust feedback
  • Emission control faults on listed Audi, Bentley, and Volkswagen applications

Installation Notes and Tips

Confirm the vehicle’s engine and build date before ordering, especially for 2019 Audi A4 allroad and A4 Quattro applications noted from 03/29/2019, and 2014 Volkswagen Beetle applications noted to 06/29/2014. This sensor is specific fit and should be matched to the upstream position shown in the fitment data. Verify connector style, wire count, and thread diameter against the original sensor before installation.

Quality Assurance

Denso manufactures and tests this OE Style sensor to strict original-equipment standards for replacement accuracy and first-time fit. Part number 234-5163 is built as a direct replacement for the listed applications, with OE-style construction intended to match factory requirements.

This part fits 25 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelFuel TypePositionNotes
2022AudiQ7Progressiv—UpstreamO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2021AudiQ7——UpstreamO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2020AudiA4 allroad——UpstreamOE Style
2020AudiA4 Quattro——UpstreamOE Style
2020AudiA5 Quattro——UpstreamOE Style
2020AudiA5 Sportback——UpstreamOE Style
2019AudiA4 allroad——UpstreamFrom 03/29/2019; OE Style
2019AudiA4 Quattro——UpstreamFrom 03/29/2019; OE Style
2019AudiA5 Quattro——UpstreamOE Style
2019AudiA5 Sportback——UpstreamOE Style
2019AudiQ7——UpstreamOE Style
2018AudiA4 Quattro——UpstreamO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2018AudiA5 Quattro——UpstreamO.E. Quality Direct Fit Replacement Sensor; Air / Fuel Ratio Sensor - OE Style
2018AudiQ5——UpstreamOE Style
2018AudiQ7——UpstreamOE Style
2017AudiQ7——UpstreamOE Style
2016AudiQ5—GASUpstreamOE Style
2016AudiQ5—ELECTRIC/GASUpstreamOE Style
2015AudiQ5—ELECTRIC/GASUpstreamOE Style
2015BentleyContinental——UpstreamCylinder 5,6,7,8; OE Style
2014AudiQ5—ELECTRIC/GASUpstreamOE Style
2014VolkswagenBeetle——UpstreamTo 06/29/2014; OE Style
2014VolkswagenJetta——UpstreamOE Style
2014VolkswagenPassat——UpstreamOE Style
2013AudiQ5—ELECTRIC/GASUpstreamOE Style
Directly replaces or cross-references 11 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Bosch — 17042Bosch — 17072NTK — 27050Volkswagen — 06K906262GVolkswagen — 06L906262EVolkswagen — 06L906262GVolkswagen — 8K0906262CVolkswagen — 8R0906262DVolkswagen — 079906262ABWalker Products — 250-25113Walker Products — 350-35092