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2021 Chevrolet Blazer
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2021 Chevrolet Blazer

2021 Chevrolet Blazer Oxygen Sensors

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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: WKP35034939
Guaranteed to Fit
$37.99
Vehicle Fitment
  • 2021 Chevrolet Blazer L 4 Cyl 2.5L Eng Des: LCV, Eng Vin: A, FI, Naturally Aspirated, GAS, B1S2
  • 2021 Chevrolet Blazer LT 4 Cyl 2.5L Eng Des: LCV, Eng Vin: A, FI, Naturally Aspirated, GAS, B1S2
Product Details
Location : After Catalytic ConverterType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 12.32 in. Wire LengthThread Size : 18 mm Thread SizeMounting Style : Threaded-in Mounting StyleConnector Gender : Male ConnectorConnector Shape : Radiused Polygon Connector ShapeWarranty : 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 Aftermarket Base Sensor
Walker Products Original Equipment Base Sensor Oxygen Sensor, Sold individually 4-wire
Walker Products®
Walker Products Original Equipment Base Sensor Oxygen Sensor, Sold individually 4-wire
Part Number: WKP250241133
Guaranteed to Fit
$51.99
Vehicle Fitment
  • 2021 Chevrolet Blazer L 4 Cyl 2.5L Eng Des: LCV, Eng Vin: A, FI, Naturally Aspirated, GAS, B1S1
  • 2021 Chevrolet Blazer LT 4 Cyl 2.5L Eng Des: LCV, Eng Vin: A, FI, Naturally Aspirated, GAS, B1S1
Product Details
Location : Before Catalytic ConverterType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 12.32 in. Wire LengthThread Size : 18 mm Thread SizeMounting Style : Threaded-in Mounting StyleConnector Gender : Male ConnectorConnector Shape : Radiused Polygon Connector ShapeWarranty : 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
After Catalytic Converter Walker Products Original Equipment Base Sensor Oxygen Sensor, Sold individually 4-wire
Walker Products®
After Catalytic Converter Walker Products Original Equipment Base Sensor Oxygen Sensor, Sold individually 4-wire
Part Number: WKP250241132
Guaranteed to Fit
$50.49
Vehicle Fitment
  • 2021 Chevrolet Blazer L 4 Cyl 2.5L Eng Des: LCV, Eng Vin: A, FI, Naturally Aspirated, GAS, B1S2
  • 2021 Chevrolet Blazer LT 4 Cyl 2.5L Eng Des: LCV, Eng Vin: A, FI, Naturally Aspirated, GAS, B1S2
Product Details
Location : After Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 14.76 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
GM Original Equipment Series Oxygen Sensor, Sold individually
AC Delco®
GM Original Equipment Series Oxygen Sensor, Sold individually
Part Number: AC12643707
Guaranteed to Fit
$44.51
Vehicle Fitment
  • 2021 Chevrolet Blazer L 4 Cyl 2.5L Engine Des: LCV, Engine Vin: A, FWD
  • 2021 Chevrolet Blazer LT 4 Cyl 2.5L Engine Des: LCV, Engine Vin: A, FWD
Product Details
Location : Before Catalytic ConverterNotes : Female Connector Gender; Position 1 Mounting Type; HeatedQuantity Sold : Sold individuallyProduct Fit : Direct FitThread Size : 0.71 in. Thread SizeConnector Shape : Oval Connector ShapeWarranty : 24-months or unlimited mile AC Delco 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 : GM Original Equipment Series
Oxygen Sensor, Sold individually 4-wire
Walker Products®
Oxygen Sensor, Sold individually 4-wire
Part Number: WKP250241212
Guaranteed to Fit
$54.49
Vehicle Fitment
  • 2021 Chevrolet Blazer LT 6 Cyl 3.6L Eng Des: LGX, Eng Vin: S, FI, Naturally Aspirated, GAS, B1S1, B1S2, B2S1, B2S2
  • 2021 Chevrolet Blazer RS 6 Cyl 3.6L Eng Des: LGX, Eng Vin: S, FI, Naturally Aspirated, GAS, B1S1, B1S2, B2S1, B2S2
  • 2021 Chevrolet Blazer True North 6 Cyl 3.6L Eng Des: LGX, Eng Vin: S, FI, Naturally Aspirated, GAS, B1S1, B1S2, B2S1, B2S2
  • 2021 Chevrolet Blazer Premier 6 Cyl 3.6L Eng Des: LGX, Eng Vin: S, FI, Naturally Aspirated, GAS, B1S1, B1S2, B2S1, B2S2
Product Details
Location : Before or After Catalytic ConverterNotes : (4) Wire Quantity; 20 ga. Wire Gauge Measurement; 18 mm Thread Diameter; 325 mm Overall Length; HeatedType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitThread Size : M18 Thread SizeMounting Style : Threaded-in Mounting StyleConnector Gender : Male ConnectorConnector Shape : Rectangular Connector ShapeWarranty : 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 5-wire
Walker Products®
Before Catalytic Converter Oxygen Sensor, Sold individually 5-wire
Part Number: WKP25025140
Guaranteed to Fit
$105.99
Vehicle Fitment
  • 2021 Chevrolet Blazer LT 4 Cyl 2.0L Eng Des: LSY, Eng Vin: 4, FI, Turbocharged, GAS, B1S1
  • 2021 Chevrolet Blazer True North 4 Cyl 2.0L Eng Des: LSY, Eng Vin: 4, FI, Turbocharged, GAS, B1S1
  • 2021 Chevrolet Blazer Premier 4 Cyl 2.0L Eng Des: LSY, Eng Vin: 4, FI, Turbocharged, GAS, B1S1
Product Details
Location : Before Catalytic ConverterNotes : (5) Wire Quantity; 305 mm Overall Length; HeatedType : 5-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitThread Size : M18 Thread SizeMounting Style : Threaded-in Mounting StyleConnector Gender : Female ConnectorConnector Shape : Square Connector ShapeWarranty : 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.

Oxygen Sensor, Sold individually 4-wire
Walker Products®
Oxygen Sensor, Sold individually 4-wire
Part Number: WKP350341064
Guaranteed to Fit
$36.99
Vehicle Fitment
  • 2021 Chevrolet Blazer LT 4 Cyl 2.0L Eng Des: LSY, Eng Vin: 4, FI, Turbocharged, GAS, B1S2
  • 2021 Chevrolet Blazer LT 6 Cyl 3.6L Eng Des: LGX, Eng Vin: S, FI, Naturally Aspirated, GAS, B1S1, B1S2, B2S1, B2S2
  • 2021 Chevrolet Blazer Premier 4 Cyl 2.0L Eng Des: LSY, Eng Vin: 4, FI, Turbocharged, GAS, B1S2
  • 2021 Chevrolet Blazer RS 6 Cyl 3.6L Eng Des: LGX, Eng Vin: S, FI, Naturally Aspirated, GAS, B1S1, B1S2, B2S1, B2S2
  • 2021 Chevrolet Blazer True North 4 Cyl 2.0L Eng Des: LSY, Eng Vin: 4, FI, Turbocharged, GAS, B1S2
  • 2021 Chevrolet Blazer True North 6 Cyl 3.6L Eng Des: LGX, Eng Vin: S, FI, Naturally Aspirated, GAS, B1S1, B1S2, B2S1, B2S2
  • 2021 Chevrolet Blazer Premier 6 Cyl 3.6L Eng Des: LGX, Eng Vin: S, FI, Naturally Aspirated, GAS, B1S1, B1S2, B2S1, B2S2
Product Details
Location : After Catalytic ConverterNotes : (4) Wire Quantity; 20 ga. Wire Gauge Measurement; 18 mm Thread Diameter; 325 mm Overall Length; HeatedType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitThread Size : M18 Thread SizeMounting Style : Threaded-in Mounting StyleConnector Gender : Male ConnectorConnector Shape : Rectangular Connector ShapeWarranty : 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.

Oxygen Sensor, Sold individually
Walker Products®
Oxygen Sensor, Sold individually
Part Number: WKP250241269
Guaranteed to Fit
$79.99
Vehicle Fitment
  • 2021 Chevrolet Blazer LT 4 Cyl 2.0L enginedesignationname: LSY, Eng. VIN: 4, FI, Turbocharged, GAS, B1S2
  • 2021 Chevrolet Blazer True North 4 Cyl 2.0L enginedesignationname: LSY, Eng. VIN: 4, 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 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 5-wire
Walker Products®
Before Catalytic Converter Oxygen Sensor, Sold individually 5-wire
Part Number: WKP35035163
Guaranteed to Fit
$104.49
Vehicle Fitment
  • 2021 Chevrolet Blazer LT 4 Cyl 2.0L Eng Des: LSY, Eng Vin: 4, FI, Turbocharged, GAS, B1S1
  • 2021 Chevrolet Blazer True North 4 Cyl 2.0L Eng Des: LSY, Eng Vin: 4, FI, Turbocharged, GAS, B1S1
  • 2021 Chevrolet Blazer Premier 4 Cyl 2.0L Eng Des: LSY, Eng Vin: 4, FI, Turbocharged, GAS, B1S1
Product Details
Location : Before Catalytic ConverterNotes : (5) Wire Quantity; 305 mm Overall Length; HeatedType : 5-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitThread Size : M18 Thread SizeMounting Style : Threaded-in Mounting StyleConnector Gender : Female ConnectorConnector Shape : Square Connector ShapeWarranty : 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.

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: WKP35034948
Guaranteed to Fit
$47.49
Vehicle Fitment
  • 2021 Chevrolet Blazer L 4 Cyl 2.5L Eng Des: LCV, Eng Vin: A, FI, Naturally Aspirated, GAS, B1S1
  • 2021 Chevrolet Blazer LT 4 Cyl 2.5L Eng Des: LCV, Eng Vin: A, FI, Naturally Aspirated, GAS, B1S1
Product Details
Location : Before Catalytic ConverterType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 12.32 in. Wire LengthThread Size : 18 mm Thread SizeMounting Style : Threaded-in Mounting StyleConnector Gender : Male ConnectorConnector Shape : Radiused Polygon Connector ShapeWarranty : 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 Aftermarket Base Sensor
GM Original Equipment Series Oxygen Sensor, Sold individually
AC Delco®
GM Original Equipment Series Oxygen Sensor, Sold individually
Part Number: AC12667438
Guaranteed to Fit
$40.99
Vehicle Fitment
  • 2021 Chevrolet Blazer LT 6 Cyl 3.6L Engine Des: LGX, Engine Vin: S, AWD
  • 2021 Chevrolet Blazer RS 6 Cyl 3.6L Engine Des: LGX, Engine Vin: S, AWD
  • 2021 Chevrolet Blazer Premier 6 Cyl 3.6L Engine Des: LGX, Engine Vin: S, AWD
Product Details
Location : Before or After Catalytic ConverterNotes : Heated Sensor TypeQuantity Sold : Sold individuallyProduct Fit : Direct FitThread Size : 18 mm Thread SizeConnector Gender : Male ConnectorConnector Shape : Oval Connector ShapeWarranty : 24-months or unlimited mile AC Delco 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 : GM Original Equipment Series
GM Original Equipment Series Oxygen Sensor, Sold individually
AC Delco®
GM Original Equipment Series Oxygen Sensor, Sold individually
Part Number: AC12661898
Guaranteed to Fit
$61.99
Vehicle Fitment
  • 2021 Chevrolet Blazer L 4 Cyl 2.5L Engine Des: LCV, Engine Vin: A, FWD
  • 2021 Chevrolet Blazer LT 4 Cyl 2.5L Engine Des: LCV, Engine Vin: A, FWD
Product Details
Location : Passenger Side, After Catalytic ConverterNotes : Male Connector Gender; Position 2 Mounting Type; HeatedQuantity Sold : Sold individuallyProduct Fit : Direct FitThread Size : 0.71 in. Thread SizeReplaces OE Number : 12643903Connector Shape : Oval Connector ShapeWarranty : 24-months or unlimited mile AC Delco 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 : GM Original Equipment Series
Atomic, O2 Sensor Wideband
MSD®
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.

Walker Products Original Equipment Base Sensor Oxygen Sensor, Sold individually
Walker Products®
Walker Products Original Equipment Base Sensor Oxygen Sensor, 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
$46.99
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
Page 1 of 2 | Showing 1 - 15 of 25 results

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Product Questions & Answers

Bosch Oxygen Sensor - Universal, May Require Modification
$46.99
Q:Will this part replace a Nox sensor 1 for a 2018 Chevrolet Equinox LT Diesel Turbo engine? Show Less
Jen
A:BEST ANSWERHi Jennifer, thank you for reaching out. This universal product may require some modifications to replace the oxygen sensor of the 2018 Chevrolet Equinox LT with a 1.6-liter diesel engine. This part isn't specific to any vehicle. Should you decide to order this part, you can use this link to order this part at a discounted price today while supplies last: https://www.carparts.com/oxygen-sensor/bosch/bs15741?can=CPAP3648_CSQA_20241013 I hope this helps. Enjoy shopping. Show less
Aldrin P.
 
5 Questions, 1 AnswerView all Q&As >
Walker Products Walker Products Original Equipment Base Sensor Oxygen Sensor, Sold individually
$57.99
Q:Will this fit down stream nissin 1982 280zx?
Ron S.
A:BEST ANSWERHi Ron, thank you for reaching out. No, this will not. Per checking, we don't have a direct-fit downstream oxygen sensor for a 1982 Nissan 280ZX. Thank you for inquiring. Have a nice day. Show less
Aldrin P.
 
5 Questions, 1 AnswerView all Q&As >