Holstein
Holstein Parts

Holstein 2CTS0163 Engine Coolant Temperature Sensor - Lower

Brand Holstein 2CTS0163
Position Lower
Product line Holstein Parts
Fits Audi, Porsche, and Volkswagen · 236 vehicles

Engine coolant temperature sensor. Monitors coolant temperature for accurate engine management.

Holstein Parts. A trusted line of replacement sensors and components.

Cross-references AMS Automotive 4249, Four Seasons 73356 and Standard Ignition TX305 for the same application. See all 16.

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Free returns within 60 days if it doesn't fit when fitment is verified.

Engine Coolant Temperature Sensor for Audi, VW, Porsche

Holstein Parts 2CTS0163 is an engine coolant temperature sensor for a wide range of Audi, Volkswagen, and Porsche applications. It provides direct-fit coverage for many lower, engine-mounted, cylinder head, and radiator hose locations across turbocharged and performance models.

Use this sensor when you need accurate coolant temperature input for engine management, gauge operation, and cooling system control on select Audi A6 Quattro, Audi Q7, Volkswagen GTI, and related vehicles.

Key Features

  • Holstein Parts engine coolant temperature sensor
  • Direct replacement for select Audi, Volkswagen, and Porsche applications
  • Coverage for lower, engine, cylinder head, and radiator hose locations
  • Supports temperature signal input used by the vehicle’s control systems
  • Cross-reference part numbers include Standard Ignition TX305 and Four Seasons 73356
  • Part number 2CTS0163 for catalog and fitment lookup

Detailed Description

Holstein Parts 2CTS0163 is built for broad OE-style coverage across late-model and earlier European vehicles. This engine coolant temperature sensor is listed for many Audi A4, A5, A6, A7, A8, Q5, Q7, Q8, S4, S5, S6, S7, SQ5, and RS models, along with Volkswagen GTI, Atlas, Jetta, Tiguan, and select Porsche 718, 911, Cayenne, Macan, and Panamera applications. If you are replacing a faulty coolant temp sensor on an Audi A6 Quattro, Volkswagen GTI, or Porsche Cayenne, 2CTS0163 gives you a cataloged match for the listed engine locations and configurations.

What It Helps Address

  • Incorrect coolant temperature readings
  • Temperature-related warning lights or fault codes
  • Cooling fan or engine management issues tied to sensor input
  • Hard starting or drivability concerns caused by inaccurate temperature data
  • Gauge or display behavior that depends on coolant temperature signal

Installation Notes and Tips

  • Verify the exact year, make, model, and sensor location before ordering.
  • Match the listed position and notes, such as lower, cylinder head, engine, or radiator hose.
  • Inspect the connector and surrounding cooling system components during replacement.
  • Confirm the part number 2CTS0163 against the original sensor and vehicle catalog data.

Quality Assurance

Holstein Parts 2CTS0163 is cataloged for direct replacement use across the listed applications and cross-references Standard Ignition TX305 and Four Seasons 73356 for the same application.

This part fits 236 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelBody TypeLitersCylindersFuel TypePositionNotes
2026AudiA6 allroad—3.0LV6—LowerHolstein Parts
2026AudiA8 Quattro—3.0LV6—LowerHolstein Parts
2026AudiQ7—3.0LV6—LowerHolstein Parts
2026AudiQ8—3.0LV6—LowerHolstein Parts
2026AudiSQ7—4.0LV8—N/AHolstein Parts
2025AudiA6 allroad—3.0LV6—LowerHolstein Parts
2025AudiA6 Quattro—3.0LV6—LowerHolstein Parts
2025AudiA7 Sportback—3.0LV6—LowerHolstein Parts
2025AudiA8 Quattro—3.0LV6—LowerHolstein Parts
2025AudiQ7—3.0LV6—LowerHolstein Parts
2025AudiQ8—3.0LV6—LowerHolstein Parts
2025AudiRS5 Sportback—2.9LV6—LowerHolstein Parts
2025AudiS4—3.0LV6—LowerHolstein Parts
2025AudiS5 Sportback—3.0LV6—LowerHolstein Parts
2025AudiS6—2.9LV6—LowerHolstein Parts
2025AudiS7 Sportback—2.9LV6—LowerHolstein Parts
2025AudiSQ5—3.0LV6—LowerHolstein Parts
2025AudiSQ5 Sportback—3.0LV6—LowerHolstein Parts
2024AudiA4 allroad—2.0LL4—N/AHolstein Parts
2024AudiA4 Quattro—2.0LL4—N/AHolstein Parts
2024AudiA5 Quattro—2.0LL4—N/ABolt-On Type; Holstein Parts
2024AudiA5 Sportback—2.0LL4—N/ABolt-On Type; Holstein Parts
2024AudiA6 allroad—3.0LV6—LowerHolstein Parts
2024AudiA6 Quattro—3.0LV6—LowerHolstein Parts
2024AudiA7 Sportback—3.0LV6—LowerHolstein Parts
2024AudiA8 Quattro—3.0LV6—LowerHolstein Parts
2024AudiQ7—3.0LV6—LowerHolstein Parts
2024AudiQ8—3.0LV6—LowerHolstein Parts
2024AudiRS5—2.9LV6—LowerHolstein Parts
2024AudiRS5 Sportback—2.9LV6—LowerHolstein Parts
2024AudiS4—3.0LV6—LowerHolstein Parts
2024AudiS5—3.0LV6—LowerHolstein Parts
2024AudiS5 Sportback—3.0LV6—LowerHolstein Parts
2024AudiS6—2.9LV6—LowerHolstein Parts
2024AudiS7 Sportback—2.9LV6—LowerHolstein Parts
2024AudiSQ5—3.0LV6—LowerHolstein Parts
2024AudiSQ5 Sportback—3.0LV6—LowerHolstein Parts
2023AudiA4 allroad—2.0LL4—N/AHolstein Parts
2023AudiA4 Quattro—2.0LL4—N/AHolstein Parts
2023AudiA6 allroad—3.0LV6—LowerHolstein Parts
2023AudiA6 Quattro—3.0LV6—N/ALocated on Engine; Holstein Parts
2023AudiA7 Sportback—3.0LV6—LowerHolstein Parts
2023AudiA8 Quattro—3.0LV6—LowerHolstein Parts
2023AudiQ7—3.0LV6—LowerHolstein Parts
2023AudiQ8—3.0LV6—N/AHolstein Parts
2023AudiRS5—2.9LV6—LowerHolstein Parts
2023AudiRS5 Sportback—2.9LV6—LowerHolstein Parts
2023AudiS4—3.0LV6—LowerHolstein Parts
2023AudiS5—3.0LV6—LowerHolstein Parts
2023AudiS5 Sportback—3.0LV6—LowerHolstein Parts
2023AudiS6—2.9LV6—LowerHolstein Parts
2023AudiS7 Sportback—2.9LV6—LowerHolstein Parts
2023AudiSQ5—3.0LV6—LowerHolstein Parts
2023AudiSQ5 Sportback—3.0LV6—LowerHolstein Parts
2023AudiTT Quattro—2.0LL4—N/AHolstein Parts
2023AudiTTS Quattro—2.0LL4—N/AHolstein Parts
2023VolkswagenGTI————N/AHolstein Parts
2022AudiA6 Quattro—3.0LV6—N/ALocated on Engine; Holstein Parts
2022AudiA7 Sportback—3.0LV6—N/ALocated on Engine; Holstein Parts
2022AudiA8 Quattro—3.0LV6—LowerHolstein Parts
2022AudiQ8—3.0LV6—N/AHolstein Parts
2022VolkswagenAtlas—2.0LL4—N/AHolstein Parts
2022VolkswagenAtlas Cross Sport—2.0LL4—N/AHolstein Parts
2022VolkswagenGTI—2.0LL4—N/ABolt-on Type; Holstein Parts
2022VolkswagenJetta—2.0LL4—N/ALocated on Engine Block; Holstein Parts
2021AudiA6 Quattro—3.0LV6—N/ALocated on Engine; Holstein Parts
2021AudiA7 Sportback—3.0LV6—N/ALocated on Engine; Holstein Parts
2021AudiA8 Quattro—3.0LV6—LowerHolstein Parts
2021AudiQ8—3.0LV6—N/AHolstein Parts
2021VolkswagenAtlas—2.0LL4—N/AHolstein Parts
2021VolkswagenAtlas Cross Sport—2.0LL4—N/AHolstein Parts
2021VolkswagenGTI—2.0LL4—N/AHolstein Parts
2021VolkswagenJetta—2.0LL4—N/ALocated on Engine Block; Holstein Parts
2020AudiA3————N/ALocated on Engine; Holstein Parts
2020AudiA3 Quattro————N/ALocated on Engine; Holstein Parts
2020AudiA4————N/ALocated on Engine; Holstein Parts
2020AudiA4 Quattro————N/ALocated on Engine; Holstein Parts
2020AudiA6 allroad—3.0LV6—N/AHolstein Parts
2020AudiA6 Quattro—3.0LV6—N/ALocated on Engine; Holstein Parts
2020AudiA7 Sportback—3.0LV6—N/ALocated on Engine; Holstein Parts
2020AudiA8 Quattro—4.0LV8—N/AHolstein Parts
2020Audie-tron Quattro————N/AHolstein Parts
2020AudiQ5—2.0LL4—N/ALocated on Radiator Hose; Holstein Parts
2020AudiQ5 PHEV—2.0LL4—N/ALocated on Radiator Hose; Holstein Parts
2020AudiQ7————N/AHolstein Parts
2020AudiQ8—3.0LV6—N/ALocated on Engine; Holstein Parts
2020AudiS3————N/ALocated on Engine; Holstein Parts
2020AudiS4—3.0LV6—N/AHolstein Parts
2020AudiS5—3.0LV6—N/AHolstein Parts
2020AudiS5 SportbackHatchback3.0LV6GASLowerHolstein Parts
2020AudiS7————N/ALocated in Cylinder Head; Holstein Parts
2020AudiS8————N/AHolstein Parts
2020AudiSQ5—3.0LV6GASLowerHolstein Parts
2020AudiSQ7—4.0LV8—N/AHolstein Parts
2020AudiSQ8—4.0LV8—N/ALocated on Radiator Hose; Holstein Parts
2020Porsche718 Boxster—2.5LH4—N/ACylinder Head; Holstein Parts
2020Porsche718 Cayman—2.0LH4—N/ACylinder Head; Holstein Parts
2020Porsche911—3.0LH6—N/ACylinder Head; Holstein Parts
2020PorscheCayenne—2.9LV6—N/AHolstein Parts
2020PorscheMacan—3.0LV6—N/AHolstein Parts
2020PorschePanamera—3.0LV6—N/ACylinder Head; Holstein Parts
2020VolkswagenArteon—2.0LL4GASN/AHolstein Parts
2020VolkswagenAtlas—2.0LL4—N/ABolt-on Type; Holstein Parts
2020VolkswagenAtlas Cross Sport—2.0LL4—N/AHolstein Parts
2020VolkswagenGTI—2.0LL4—N/ABolt-on Type; Holstein Parts
2020VolkswagenJetta—2.0LL4—N/ALocated on Engine Block; Holstein Parts
2020VolkswagenTiguan—2.0LL4GASN/AHolstein Parts
2019AudiA3————N/ALocated on Engine; Holstein Parts
2019AudiA3 Quattro————N/ALocated on Engine; Holstein Parts
2019AudiA4————N/ALocated on Engine; Holstein Parts
2019AudiA4 allroad—2.0LL4—N/AHolstein Parts
2019AudiA4 Quattro————N/ALocated on Engine; Holstein Parts
2019AudiA5 QuattroConvertible2.0LL4—N/AHolstein Parts
2019AudiA5 SportbackHatchback2.0LL4—N/AHolstein Parts
2019AudiA6 Quattro—3.0LV6—N/ALocated on Engine; Holstein Parts
2019AudiA7 Sportback—3.0LV6—N/ALocated on Engine; Holstein Parts
2019AudiA8 Quattro—4.0LV8—N/AHolstein Parts
2019Audie-tron Quattro————N/AHolstein Parts
2019AudiQ5—2.0LL4—N/ALocated on Radiator Hose; Holstein Parts
2019AudiQ7—2.0LL4—N/AHolstein Parts
2019AudiQ8—3.0LV6—N/ALocated on Engine; Holstein Parts
2019AudiRS5—2.9LV6—N/Awith Straight Socket; Holstein Parts
2019AudiRS5 Sportback—2.9LV6—N/AHolstein Parts
2019AudiS3————N/ALocated on Engine; Holstein Parts
2019AudiS4—3.0LV6—N/AHolstein Parts
2019AudiS5Coupe3.0LV6—N/AAluminum; Holstein Parts
2019AudiS5 SportbackHatchback3.0LV6—N/AAluminum; Holstein Parts
2019AudiSQ5—3.0LV6—N/AHolstein Parts
2019AudiTT Quattro—2.0LL4—N/AAluminum; Holstein Parts
2019AudiTT RS Quattro—2.5LL5—N/AAluminum; Holstein Parts
2019PorscheCayenne—3.6LV6—N/ALocated on Radiator Hose; Holstein Parts
2019PorscheMacan—3.0LV6—N/AHolstein Parts
2019PorschePanamera—3.0LV6—N/AHolstein Parts
2019VolkswagenAtlas—2.0LL4—N/ABolt-on Type; Holstein Parts
2019VolkswagenBeetle—2.0LL4—N/AHolstein Parts
2019VolkswagenGolf Alltrack—1.8LL4—N/AHolstein Parts
2019VolkswagenGolf R—2.0LL4—N/AHolstein Parts
2019VolkswagenGolf SportWagen—1.8LL4—N/AHolstein Parts
2019VolkswagenGTI—2.0LL4—N/ABolt-on Type; Holstein Parts
2019VolkswagenJetta—2.0LL4—N/ALocated on Engine Block; Holstein Parts
2019VolkswagenPassat—2.0LL4—N/AHolstein Parts
2019VolkswagenTiguan—2.0LL4—N/AHolstein Parts
2018AudiA3—2.0LL4—N/ASwitches and senders on engine; Holstein Parts
2018AudiA3 Quattro————N/ALocated on Engine; Holstein Parts
2018AudiA4————N/ALocated on Engine; Holstein Parts
2018AudiA4 allroad—2.0LL4—N/ACylinder Head; Switches and senders on engine; Holstein Parts
2018AudiA4 Quattro————N/ALocated on Engine; Holstein Parts
2018AudiA5 QuattroCoupe2.0LL4—N/ACylinder Head; Switches and senders on engine; Holstein Parts
2018AudiA5 Sportback—2.0LL4—N/ACylinder Head; Switches and senders on engine; Holstein Parts
2018AudiA6—2.0LL4—N/ASwitches and senders on engine; Holstein Parts
2018AudiA6 Quattro—2.0LL4—N/ALocated on Engine; Holstein Parts
2018AudiQ3—2.0LL4—N/ASwitches and senders on engine; Holstein Parts
2018AudiQ3 Quattro—2.0LL4—N/ASwitches and senders on engine; Holstein Parts
2018AudiQ5—2.0LL4—N/ALocated on Radiator Hose; Holstein Parts
2018AudiQ7———DIESELN/AHolstein Parts
2018AudiRS5—2.9LV6—N/Awith Straight Socket; Holstein Parts
2018AudiRS7————N/AHolstein Parts
2018AudiS3—2.0LL4—N/ASwitches and senders on engine; Holstein Parts
2018AudiS4—3.0LV6—N/AHolstein Parts
2018AudiS5—3.0LV6—N/AHolstein Parts
2018AudiS5 Sportback—3.0LV6—N/AHolstein Parts
2018AudiS6—4.0LV8—N/ASwitches and senders on engine; Holstein Parts
2018AudiS7————N/ALocated in Cylinder Head; Holstein Parts
2018AudiSQ5—3.0LV6—N/AHolstein Parts
2018AudiTT Quattro—2.0LL4—N/ASwitches and senders on engine; Holstein Parts
2018VolkswagenAtlas—2.0LL4—N/AHolstein Parts
2018VolkswagenBeetle—2.0LL4—N/AHolstein Parts
2018VolkswagenGolf Alltrack—1.8LL4—N/AHolstein Parts
2018VolkswagenGolf SportWagen—1.8LL4—N/AHolstein Parts
2018VolkswagenGTI—2.0LL4—N/ABolt-on Type; Holstein Parts
2018VolkswagenJetta—1.8LL4—N/AHolstein Parts
2018VolkswagenTiguan—2.0LL4—N/AHolstein Parts
2017AudiA3————N/ALocated on Engine; Holstein Parts
2017AudiA3 Quattro————N/ALocated on Engine; Holstein Parts
2017AudiA4————N/ALocated on Engine; Holstein Parts
2017AudiA4 Quattro————N/ALocated on Engine; Holstein Parts
2017AudiA6 Quattro—2.0LL4—N/ALocated on Engine; Holstein Parts
2017AudiA8 Quattro—4.0LV8—N/AHolstein Parts
2017AudiQ7————N/ALocated on Cylinder Head; Holstein Parts
2017AudiRS7————N/AHolstein Parts
2017AudiS3————N/ALocated on Engine; Holstein Parts
2017AudiS6————N/ALocated in Cylinder Head; Holstein Parts
2017AudiS7————N/ALocated in Cylinder Head; Holstein Parts
2017AudiS8————N/ALocated on Cylinder Head; Holstein Parts
2017VolkswagenBeetle—2.0LL4GASN/ABolt-on Type; Holstein Parts
2017VolkswagenGTI—2.0LL4—N/ABolt-on Type; Holstein Parts
2017VolkswagenJetta—2.0LL4GASN/ABolt-on Type; Holstein Parts
2017VolkswagenPassat—1.8LL4—N/ABolt-on Type; Holstein Parts
2016AudiA3 Quattro————N/ALocated on Engine; Holstein Parts
2016AudiA6 Quattro—2.0LL4—N/ALocated on Engine; Holstein Parts
2016AudiA8 Quattro—4.0LV8—N/ALocated on Cylinder Head; Holstein Parts
2016AudiQ7————N/ALocated on Cylinder Head; Holstein Parts
2016AudiRS7————N/AHolstein Parts
2016AudiS3————N/ALocated on Engine; Holstein Parts
2016AudiS6————N/ALocated in Cylinder Head; Holstein Parts
2016AudiS7————N/ALocated in Cylinder Head; Holstein Parts
2016AudiS8————N/ALocated in Cylinder Head; Holstein Parts
2016PorscheCayenne—4.8LV8—N/A2 Terminal Male; Holstein Parts
2016VolkswagenBeetle—2.0LL4GASN/ABolt-on Type; Holstein Parts
2016VolkswagenGTI—2.0LL4—N/ABolt-on Type; Holstein Parts
2016VolkswagenJetta—2.0LL4GASN/ABolt-on Type; Holstein Parts
2016VolkswagenPassat—1.8LL4—N/ABolt-on Type; Holstein Parts
2015AudiA3 Quattro————N/ALocated on Engine; Holstein Parts
2015AudiA8 Quattro—4.0LV8—N/ALocated on Cylinder Head; Holstein Parts
2015AudiQ7—3.0LV6DIESELN/ALocated on Cylinder Head; Holstein Parts
2015AudiRS5————N/AHolstein Parts
2015AudiRS7————N/AHolstein Parts
2015AudiS3————N/ALocated on Engine; Holstein Parts
2015AudiS6————N/ALocated in Cylinder Head; Holstein Parts
2015AudiS8————N/ALocated in Cylinder Head; Holstein Parts
2015PorscheCayenne—4.8LV8—N/A2 Terminal Male; Holstein Parts
2015VolkswagenBeetle—2.0LL4GASN/ABolt-on Type; Holstein Parts
2015VolkswagenGTI—2.0LL4—N/ABolt-on Type; Holstein Parts
2015VolkswagenJetta—2.0LL4GASN/ABolt-on Type; Holstein Parts
2015VolkswagenPassat—1.8LL4—N/ABolt-on Type; Holstein Parts
2014AudiA8 Quattro—4.0LV8—N/ALocated on Cylinder Head; Holstein Parts
2014AudiQ7—3.0LV6DIESELN/ALocated on Cylinder Head; Holstein Parts
2014AudiRS5————N/AHolstein Parts
2014AudiRS7————N/AHolstein Parts
2014AudiS6————N/ALocated in Cylinder Head; Holstein Parts
2014AudiS7————N/ALocated in Cylinder Head; Holstein Parts
2014AudiS8————N/ALocated in Cylinder Head; Holstein Parts
2014PorscheCayenne—4.8LV8—N/A2 Terminal Male; Holstein Parts
2014VolkswagenBeetle—2.0LL4—N/A2 Terminal Male; Holstein Parts
2014VolkswagenJetta—1.8LL4—N/AHolstein Parts
2014VolkswagenPassat—1.8LL4—N/ABolt-on Type; Holstein Parts
2013AudiA8 Quattro—4.0LV8—N/ALocated on Cylinder Head; Holstein Parts
2013AudiQ7—3.0LV6DIESELN/ALocated on Cylinder Head; Holstein Parts
2013AudiRS5————N/AHolstein Parts
2013AudiS6————N/ALocated in Cylinder Head; Holstein Parts
2013AudiS7————N/ALocated in Cylinder Head; Holstein Parts
2013AudiS8————N/ALocated in Cylinder Head; Holstein Parts
2013PorscheCayenne—4.8LV8—N/A2 Terminal Male; Holstein Parts
2013VolkswagenBeetle—2.0LL4—N/A2 Terminal Male; Holstein Parts
2012PorscheCayenne—4.8LV8—N/A2 Terminal Male; Holstein Parts
2011PorscheCayenne—4.8LV8—N/A2 Terminal Male; Holstein Parts
Directly replaces or cross-references 16 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AMS Automotive — 4249Four Seasons — 73356Standard Ignition — TX305VNE — 94080501TS11745S1678410721015816792112035079919523B079919523JSU18176TS5915V10721442WT5315WTC2196