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2019 Audi A3
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2019 Audi A3

2019 Audi A3 Oxygen Sensors

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After Catalytic Converter Walker Products Original Equipment Base Sensor Oxygen Sensor, Sold individually
Walker Products®
After Catalytic Converter Walker Products Original Equipment Base Sensor Oxygen Sensor, Sold individually
Part Number: WKP250-241142
Guaranteed to Fit
$91.99
Vehicle Fitment
  • 2019 Audi A3 Premium Plus 4 Cyl 2.0L FI, Turbocharged, GAS, B1S2
  • 2019 Audi A3 Prestige 4 Cyl 2.0L FI, Turbocharged, GAS, B1S2
  • 2019 Audi A3 Premium 4 Cyl 2.0L FI, Turbocharged, GAS, B1S2
  • 2019 Audi A3 Titanium 4 Cyl 2.0L FI, Turbocharged, GAS, B1S2
Product Details
Location : After Catalytic ConverterQuantity Sold : Sold individuallyProduct Fit : Direct FitWarranty : 90-day Walker Products limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Walker Products Original Equipment Base Sensor
Before Catalytic Converter Oxygen Sensor, Sold individually 4, 2.0
Bosch®
Before Catalytic Converter Oxygen Sensor, Sold individually 4, 2.0
Part Number: BS17190
Guaranteed to Fit
$138.49
Vehicle Fitment
  • 2019 Audi A3 Premium 4 Cyl 2.0L
  • 2019 Audi A3 Premium Plus 4 Cyl 2.0L
  • 2019 Audi A3 Komfort 4 Cyl 2.0L
  • 2019 Audi A3 Progressiv 4 Cyl 2.0L
  • 2019 Audi A3 Prestige 4 Cyl 2.0L
  • 2019 Audi A3 Titanium 4 Cyl 2.0L
  • 2019 Audi A3 Technik 4 Cyl 2.0L
Product Details
Location : Before Catalytic ConverterNotes : 27.95 in. Length; Metal Housing Material; HeatedQuantity Sold : Sold individuallyProduct Fit : Direct FitMounting Style : Threaded-in Mounting StyleHex Size : 22 mmConnector Gender : Male ConnectorWarranty : 1-year Bosch limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Promotions : European Vehicle Parts
Before Catalytic Converter Oxygen Sensor, Sold individually 5-wire 4, 2.0
Denso®
Before Catalytic Converter Oxygen Sensor, Sold individually 5-wire 4, 2.0
Part Number: NP2345185
Guaranteed to Fit
$139.49
Vehicle Fitment
  • 2019 Audi A3 Premium Plus 4 Cyl 2.0L O.E. Quality Replacement Sensor
  • 2019 Audi A3 Prestige 4 Cyl 2.0L O.E. Quality Replacement Sensor
  • 2019 Audi A3 Premium 4 Cyl 2.0L O.E. Quality Replacement Sensor
  • 2019 Audi A3 Komfort 4 Cyl 2.0L O.E. Quality Replacement Sensor
  • 2019 Audi A3 Progressiv 4 Cyl 2.0L O.E. Quality Replacement Sensor
  • 2019 Audi A3 Titanium 4 Cyl 2.0L O.E. Quality Replacement Sensor
  • 2019 Audi A3 Technik 4 Cyl 2.0L O.E. Quality Replacement Sensor
Product Details
Location : Before Catalytic ConverterNotes : Heated Sensor TypeType : 5-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 26.89 in. Wire LengthThread Size : 0.71 in. Thread SizeWarranty : 1-year Denso limited WarrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

After Catalytic Converter Walker Products Aftermarket Base Sensor Oxygen Sensor, Sold individually 4-wire
Walker Products®
After Catalytic Converter Walker Products Aftermarket Base Sensor Oxygen Sensor, Sold individually 4-wire
Part Number: WKP350-34788
Guaranteed to Fit
$75.99
Vehicle Fitment
  • 2019 Audi A3 Premium Plus 4 Cyl 2.0L FI, Turbocharged, GAS, B1S2
  • 2019 Audi A3 Prestige 4 Cyl 2.0L FI, Turbocharged, GAS, B1S2
  • 2019 Audi A3 Premium 4 Cyl 2.0L FI, Turbocharged, GAS, B1S2
  • 2019 Audi A3 Titanium 4 Cyl 2.0L FI, Turbocharged, GAS, B1S2
Product Details
Location : After Catalytic ConverterNotes : 30.51 in. Overall Length; Heated Sensor Type; 20 Wire Gauge MeasurementType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 27.55 in. Wire LengthThread Size : 18 mm Thread SizeMounting Style : Threaded-in Mounting StyleConnector Gender : Male ConnectorWarranty : 90-day Walker Products limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Walker Products Aftermarket Base Sensor
After Catalytic Converter Oxygen Sensor, Sold individually 4-wire
Denso®
After Catalytic Converter Oxygen Sensor, Sold individually 4-wire
Part Number: NP2344992
Guaranteed to Fit
$106.49
Vehicle Fitment
  • 2019 Audi A3 Premium Plus 4 Cyl 2.0L O.E. Quality Replacement Sensor
  • 2019 Audi A3 Prestige 4 Cyl 2.0L O.E. Quality Replacement Sensor
  • 2019 Audi A3 Premium 4 Cyl 2.0L O.E. Quality Replacement Sensor
  • 2019 Audi A3 Komfort 4 Cyl 2.0L O.E. Quality Replacement Sensor
  • 2019 Audi A3 Progressiv 4 Cyl 2.0L O.E. Quality Replacement Sensor
  • 2019 Audi A3 Titanium 4 Cyl 2.0L O.E. Quality Replacement Sensor
  • 2019 Audi A3 Technik 4 Cyl 2.0L O.E. Quality Replacement Sensor
Product Details
Location : After Catalytic ConverterNotes : Heated Sensor TypeType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 29.92 in. Wire LengthThread Size : 0.71 in. Thread SizeWarranty : 1-year Denso limited WarrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Front OE Replacement Series Oxygen Sensor, Sold individually
Bosch®
Front OE Replacement Series Oxygen Sensor, Sold individually
Part Number: BS06K906262CS
Guaranteed to Fit
$145.49
Vehicle Fitment
  • 2019 Audi A3 All Submodels All Engines
Product Details
Location : FrontQuantity Sold : Sold individuallyProduct Fit : Direct FitWarranty : 24-month or 24,000-mile limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Promotions : European Vehicle PartsSeries : OE Replacement Series
Before Catalytic Converter Oxygen Sensor, Sold individually 4, 2.0
Walker Products®
Before Catalytic Converter Oxygen Sensor, Sold individually 4, 2.0
Part Number: WKP35035147
Guaranteed to Fit
$171.49
Vehicle Fitment
  • 2019 Audi A3 Premium 4 Cyl 2.0L enginedesignationname: CZRA, FI, Turbocharged, GAS, B1S1
  • 2019 Audi A3 Premium Plus 4 Cyl 2.0L enginedesignationname: CZRA, FI, Turbocharged, GAS, B1S1
  • 2019 Audi A3 Progressiv 4 Cyl 2.0L enginedesignationname: CZRA, FI, Turbocharged, GAS, B1S1
  • 2019 Audi A3 Prestige 4 Cyl 2.0L enginedesignationname: CZRA, FI, Turbocharged, GAS, B1S1
  • 2019 Audi A3 Komfort 4 Cyl 2.0L enginedesignationname: CZRA, FI, Turbocharged, GAS, B1S1
  • 2019 Audi A3 Titanium 4 Cyl 2.0L enginedesignationname: CZRA, FI, Turbocharged, GAS, B1S1
  • 2019 Audi A3 Technik 4 Cyl 2.0L enginedesignationname: CZRA, FI, Turbocharged, GAS, B1S1
Product Details
Location : Before Catalytic ConverterQuantity Sold : Sold individuallyProduct Fit : Direct FitWarranty : 90-day Walker Products limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Nickel and Nickel Alloyed Stainless Steel, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Before Catalytic Converter Oxygen Sensor, Sold individually 4, 2.0
Walker Products®
Before Catalytic Converter Oxygen Sensor, Sold individually 4, 2.0
Part Number: WKP25025153
Guaranteed to Fit
$170.99
Vehicle Fitment
  • 2019 Audi A3 Premium 4 Cyl 2.0L FI, Turbocharged, GAS, B1S1
  • 2019 Audi A3 Premium Plus 4 Cyl 2.0L FI, Turbocharged, GAS, B1S1
  • 2019 Audi A3 Titanium 4 Cyl 2.0L FI, Turbocharged, GAS, B1S1
  • 2019 Audi A3 Prestige 4 Cyl 2.0L FI, Turbocharged, GAS, B1S1
Product Details
Location : Before Catalytic ConverterQuantity Sold : Sold individuallyProduct Fit : Direct FitWarranty : 90-day Walker Products limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Nickel and Nickel Alloyed Stainless Steel, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Atomic, O2 Sensor Wideband
MSD®
Atomic, O2 Sensor Wideband
Part Number: M46A2930
Universal Fit
$145.95
Product Details
Quantity Sold : Sold individuallyProduct Fit : UniversalWarranty : 1-year MSD limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Universal Oxygen Sensor 3-Wire – Sold Individually.
Walker Products®
Universal Oxygen Sensor 3-Wire – Sold Individually.
Part Number: WKP250-23200
Universal Fit
$57.99
Product Details
Notes : 20.0 Wire Gauge Measurement; 18mm. Thread DiameterQuantity Sold : Sold individuallyProduct Fit : UniversalWarranty : 90-day Walker Products limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Nickel (Metallic), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Walker Products Original Equipment Base Sensor
Oxygen Sensor - Universal, May Require Modification
Bosch®
Oxygen Sensor - Universal, May Require Modification
Part Number: BS15741
Universal Fit
$44.99
Product Details
Notes : Heated Type; Metal Housing Material; Steel Color/FinishType : 4-wireQuantity Sold : Sold individuallyProduct Fit : UniversalWire Length : 27 in. Wire LengthMounting Style : Threaded-in Mounting StyleHex Size : 22 mm Hex SizeConnector Gender : Female ConnectorWarranty : 1-year Bosch limited warrantyPromotions : European Vehicle PartsSeries : OE Replacement Series
Walker Products Aftermarket Base Sensor Oxygen Sensor, Sold individually 4-wire
Walker Products®
Walker Products Aftermarket Base Sensor Oxygen Sensor, Sold individually 4-wire
Part Number: WKP350-34200
Universal Fit
$31.49
Product Details
Notes : 9.37 in. Overall Length; Heated Sensor Type; 20 Wire Gauge MeasurementType : 4-wireQuantity Sold : Sold individuallyProduct Fit : UniversalWire Length : 5.83 in. Wire LengthThread Size : 18 mm Thread SizeMounting Style : Threaded-in Mounting StyleWarranty : 90-day Walker Products limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Walker Products Aftermarket Base Sensor
Universal Oxygen Sensor 4-Wire – Sold Individually
Walker Products®
Universal Oxygen Sensor 4-Wire – Sold Individually
Part Number: 25024400
Universal Fit
$48.99
Product Details
Notes : 20.0 Wire Gauge Measurement; 18.0 mm Thread DiameterType : 4-wireQuantity Sold : Sold individuallyProduct Fit : UniversalWire Length : 8.25 in. Wire LengthWarranty : 90-day Walker Products limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Walker Products Original Equipment Base Sensor
Universal, Bosch LSU 4.2 Wideband UEGO "Replacement" Sensor
AEM®
Universal, Bosch LSU 4.2 Wideband UEGO "Replacement" Sensor
Part Number: A18302001
Universal Fit
$102.95
Product Details
Type : 5-wireQuantity Sold : Sold individuallyProduct Fit : UniversalWarranty : 1-year AEM limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Universal,Bosch LSU 4.2 Wideband Sensor, Bung, Connector, Wire-Seals and Pins.
AEM®
Universal,Bosch LSU 4.2 Wideband Sensor, Bung, Connector, Wire-Seals and Pins.
Part Number: A18302002
Universal Fit
$193.95
Product Details
Quantity Sold : Sold individuallyProduct Fit : UniversalProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Page 1 of 2 | Showing 1 - 15 of 21 results

Top Rated Products

Bosch Before Catalytic Converter Oxygen Sensor, Sold individually 4, 2.0
$138.49( Review)
Great fit for my 2015 Audi a3 2.0 Easy install
Tyrell M.
VERIFIED PURCHASER

Popular Products

Product Questions & Answers

Walker Products Universal Oxygen Sensor 4-Wire – Sold Individually
$48.99
Q:Can I purchase all 4 sensors for my 2011 Ram 2500?
Dale F.
A:BEST ANSWERHi Dale, thank you for reaching out. Kindly call our parts team at 1-866-529-0412, so we can help you look for the correct sensors based on your complete vehicle information. Hope to hear from you soon. Show less
Aldrin P.
 
5 Questions, 1 AnswerView all Q&As >

Helpful Automotive Resources

P2187 Code: System too Lean at Idle (Bank 1)
P2187 Code: System too Lean at Idle (Bank 1)Note that there is only one bank if your car has a straight engine and the scan tool will always refer to that bank as “Bank 1.” P2187 code indicates that your vehicle’s computer detected a potential issue with the fuel mixture at idle.
P2270 Code: O2 Sensor Signal Biased / Stuck Lean (Bank 1, Sensor 2)
P2270 Code: O2 Sensor Signal Biased / Stuck Lean (Bank 1, Sensor 2)Bank 1 is where the #1 spark plug is. O2 sensor 1/1 is the upstream sensor on Bank 1 (different for a Ford than for a Chevy or a Dodge), and O2 sensor 1/2 is the downstream sensor on Bank 1. O2 2/1 is upstream on Bank 2 and O2
P0141 Code: Oxygen Sensor Heater Circuit Malfunction (Bank 1, Sensor 2)
P0141 Code: Oxygen Sensor Heater Circuit Malfunction (Bank 1, Sensor 2)With that in mind, it’s important to note that Bank 1 is always where the number 1 cylinder is located. Thus, on Ford pickups, Bank 1 is the passenger side bank, but on Chevy and Dodge pickups, Bank 1 is the driver side bank. You need to know this, or
P0042 Code: HO2S Heater Control Circuit Bank 1 Sensor 3
P0042 Code: HO2S Heater Control Circuit Bank 1 Sensor 3Bank 1 is the side of the engine where the #1 cylinder is located. P0042 code is set when your car’s PCM determines a potential problem with the heater element circuit of the oxygen sensor.
P0135 Code: Heated O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 1)
P0135 Code: Heated O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 1)Diagnostic trouble code (DTC) P0135 stands for “Oxygen O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 1).” It is set when the car’s primary computer—also called the powertrain control module or PCM—determines that the heated oxygen sensor (HO2S) 1 heater current is higher or lower than the ideal amp for
P0134: O2 Sensor Circuit No Activity Detected (Bank 1, Sensor 1)
P0134: O2 Sensor Circuit No Activity Detected (Bank 1, Sensor 1)The Bank 1 portion of the code refers to the side of the engine with the number one cylinder. Sensor 1 refers to the upstream O2 sensor.