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2019 Mercedes Benz GLA250

Oxygen Sensors

Some telltale signs that your oxygen sensor is starting to fail include the check engine light coming on, poor fuel economy, and the engine running rough. Get a replacement as soon as you confirm that your oxygen sensor is bad. The great news is that here at CarParts.com, we have an oxygen sensor replacement for every application (upstream, downstream, before/after the catalytic converter, etc.). Choose from our wide range of high-quality O2 sensors manufactured by the most reputable names in the industry.
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Before Catalytic Converter Oxygen Sensor, 5-wire, 4 Cyl., 2.0L Engine, Wideband Sensor, Turbocharged, B1S1
Part Number: REPM960923
Guaranteed to Fit
$52.49
Vehicle Fitment
  • 2019 Mercedes Benz GLA250 Base 4 Cyl 2.0L FI, Turbocharged, GAS, B1S1
  • 2019 Mercedes Benz GLA250 4Matic 4 Cyl 2.0L FI, Turbocharged, FLEX, B1S1
Product Details
Location : Before Catalytic ConverterNotes : Wideband sensorType : 5-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 20 in. Wire lengthThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeInterchange Part Number : 25025043Connector Gender : Male ConnectorWarranty : 1-year DriveWire unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, 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.

Returns Policy : 30-Day Return Policy
Walker Products Original Equipment Base Sensor Oxygen Sensor, Sold individually 5-wire
Part Number: WKP25025043
Guaranteed to Fit
$94.99
Vehicle Fitment
  • 2019 Mercedes Benz GLA250 Base 4 Cyl 2.0L FI, Turbocharged, GAS, B1S1
  • 2019 Mercedes Benz GLA250 4Matic 4 Cyl 2.0L FI, Turbocharged, FLEX, B1S1
Product Details
Location : Before Catalytic ConverterNotes : Wideband sensorType : 5-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 21.65 in. Wire LengthInterchange Part Number : REPM960923Warranty : 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
After Catalytic Converter Walker Products Original Equipment Base Sensor Oxygen Sensor, Sold individually 4-wire
Part Number: WKP250241145
Guaranteed to Fit
$72.49
Vehicle Fitment
  • 2019 Mercedes Benz GLA250 Base 4 Cyl 2.0L FI, Turbocharged, FLEX, B1S2
  • 2019 Mercedes Benz GLA250 4Matic 4 Cyl 2.0L FI, Turbocharged, FLEX, B1S2
Product Details
Location : After Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 12.8 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
Bosch Oxygen Sensor Oxygen Sensor, Sold individually 5-wire
Part Number: BS17341
Guaranteed to Fit
$84.99
Vehicle Fitment
  • 2019 Mercedes Benz GLA250 Base 4 Cyl 2.0L
  • 2019 Mercedes Benz GLA250 4Matic 4 Cyl 2.0L
Product Details
Location : Before Catalytic ConverterNotes : Wideband Heated Sensor Type; 18 Wire Gauge MeasurementType : 5-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 22 in.Thread Size : 18 mm Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 22 mm Hex SizeConnector 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 PartsSeries : Bosch Oxygen Sensor
Walker Products Aftermarket Base Sensor Oxygen Sensor, Sold individually 5-wire
Part Number: WKP35035019
Guaranteed to Fit
$111.49
Vehicle Fitment
  • 2019 Mercedes Benz GLA250 Base 4 Cyl 2.0L FI, Turbocharged, FLEX, B1S1
  • 2019 Mercedes Benz GLA250 4Matic 4 Cyl 2.0L FI, Turbocharged, FLEX, B1S1
Product Details
Location : Before Catalytic ConverterNotes : Wideband sensorType : 5-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 21.65 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 Aftermarket Base Sensor
Bosch Oxygen Sensor Oxygen Sensor, Sold individually 4-wire
Part Number: BS16008
Guaranteed to Fit
$60.49
Vehicle Fitment
  • 2019 Mercedes Benz GLA250 Base 4 Cyl 2.0L
  • 2019 Mercedes Benz GLA250 4Matic 4 Cyl 2.0L
Product Details
Location : After Catalytic ConverterNotes : Heated Sensor Type; 18 Wire Gauge MeasurementType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 13 in. Wire LengthThread Size : 18 mm Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 22 mm Hex SizeConnector 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 PartsSeries : Bosch Oxygen Sensor
Oxygen Sensor, Sold individually 5-wire
Part Number: NG24330
Guaranteed to Fit
$110.49
Vehicle Fitment
  • 2019 Mercedes Benz GLA250 Base 4 Cyl 2.0L B1S1, OE Equivalent Design
  • 2019 Mercedes Benz GLA250 4Matic 4 Cyl 2.0L B1S1, OE Equivalent Design
Product Details
Location : Before Catalytic ConverterNotes : 0.38 in. Thread Length; Heated Sensor TypeType : 5-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 21.8 in. Wire LengthThread Size : 18 mm Thread SizeMounting Style : Non-flanged Mounting StyleWarranty : NGK 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.

Before Catalytic Converter Oxygen Sensor, 5-wire, 4 Cylinder, 2.0L Engine, FI, Turbocharged, GAS/FLEX, B1S1
Part Number: JM960923
Guaranteed to Fit
$52.49
Vehicle Fitment
  • 2019 Mercedes Benz GLA250 Base 4 Cyl 2.0L FI, Turbocharged, GAS, B1S1
  • 2019 Mercedes Benz GLA250 4Matic 4 Cyl 2.0L FI, Turbocharged, FLEX, B1S1
Product Details
Location : Before Catalytic ConverterNotes : Wideband sensorType : 5-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 20 in. Wire lengthThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeInterchange Part Number : 25025043Connector Gender : Male ConnectorWarranty : 1-year JC Whitney unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, 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.

Returns Policy : 30-Day Return Policy
Atomic, O2 Sensor Wideband
Part Number: M46A2930
Universal Fit
$131.35
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.
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
Part Number: BS15741
Universal Fit
$46.49
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
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
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
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.
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

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Very good Customer service and easy to buy
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Product Questions & Answers

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 >

Shopping for Oxygen Sensor

Oxygen Sensor Shopping Info

What Is an Oxygen Sensor?

Modern vehicles are equipped with oxygen sensors, which monitor the amount of oxygen in the exhaust pipe. This part works with the engine control module to maintain your vehicle’s performance and keep its emissions in check.

How Much Does an Oxygen Sensor Replacement Cost?

Replacement oxygen sensors cost anywhere from $10 to $600 for the part alone. Factors that affect this part’s pricing include quantity, location, sensor type, and kit inclusions. Labor can cost you an additional $60 to $70, depending on where you live.

Shop for Aftermarket Oxygen Sensors on CarParts.com

Need to get an OE-grade oxygen sensor replacement fast? Here at CarParts.com, you don’t have to wait in line at a brick-and-mortar store just to get the part you need. With just a few clicks, you can get your orders delivered right to your doorstep in as fast as two business days.

Oxygen sensor replacements are typically sold individually, but you can also purchase them in sets of two or in kits that include catalytic converters. They’re also sold in a variety of inlet types and dimensions, so make sure to double-check if you’ve chosen a part with the right specifications.

With all these options and specifications to look out for, shopping for oxygen sensors can seem like an intimidating task. But with our user-friendly website, you can buy the right oxygen sensor in just a few clicks. Our products are manufactured in world-class facilities and have gone through strict tests to ensure their quality. This way, you can rest easy knowing that you’re getting high-quality products at unbeatable prices.

To view oxygen sensors and other compatible parts for your vehicle, use our vehicle selector tool and enter your vehicle’s specific year, make, and model. You can also indicate your preferences using our search filters. Buying oxygen sensors is easy and convenient here at CarParts.com. Shop now!

Helpful Automotive Resources

P0141 Code: Oxygen Sensor Heater Circuit Malfunction (Bank 1, Sensor 2)
P0141 Code: Oxygen Sensor Heater Circuit Malfunction (Bank 1, Sensor 2)P0141 is part of a family of codes listed as follows: P0141 – Sensor Heater Circuit Bank 1 Sensor 2 P0161 – Sensor Heater Circuit Bank 2 Sensor 2 P0135 – O2 Sensor Heater Circuit Bank 1 Sensor 1 P0155 – O2 Heater Circuit Bank 2, Sensor 1 Make sure you know bank 1 from
P0042 Code: HO2S Heater Control Circuit Bank 1 Sensor 3
P0042 Code: HO2S Heater Control Circuit Bank 1 Sensor 3When there are only 3 O2 sensors it’s typically because there’s only one catalyst being monitored, and “Bank 1” is the default designation when there’s only one sensor in a category. Diagram showing 3 oxygen sensors | Image Source: Richard McCuistian
P0135 Code: Heated O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 1)
P0135 Code: Heated O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 1)Due to this, the O2 sensor features an integrated heater circuit to bring it up to operating temperature after a cold start. When this circuit stops functioning properly, it can trigger a P0135. The oxygen sensor monitors your vehicle’s air-to-fuel ratio. What Does the P0135 Code Mean?