AC Delco Oxygen Sensors

Get your vehicle back on the road in no time with reliable AC Delco oxygen sensors. Here at CarParts.com, we have a wide selection of  AC Delco oxygen sensors that are engineered to keep your engine running efficiently at all times. AC Delco oxygen sensors are designed to work just as well as your original part. Check out our selection and order an AC Delco oxygen sensor today!
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12657188 Oxygen Sensor, Sold Individually,, GM Original Equipment Series
AC Delco®
12657188 Oxygen Sensor, Sold Individually,, GM Original Equipment Series
Part Number: AC12657188
Vehicle Info Required to Guarantee Fit
$47.49
Product Details
Location : Downstream Right, Passenger Side, After Catalytic Converter, Downstream Left Or Downstream Right, After Catalytic Converter, Downstream Right Or Downstream Left, Driver Or Passenger Side, After Catalytic ConverterNotes : Male Connector Gender; Position 2 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
213-3866 GM Original Equipment Series Oxygen Sensor, Sold individually 4-wire
AC Delco®
213-3866 GM Original Equipment Series Oxygen Sensor, Sold individually 4-wire
Part Number: AC2133866
Vehicle Info Required to Guarantee Fit
$55.99
Product Details
Location : Center, Driver Or Passenger Side, Before Catalytic ConverterType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 12.71 in. Wire LengthThread Size : 18 mm Thread SizeInterchange Part Number : 2344668Connector Gender : Male ConnectorWarranty : 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
213-4229 GM Original Equipment Series Oxygen Sensor, Sold individually 4-wire
AC Delco®
213-4229 GM Original Equipment Series Oxygen Sensor, Sold individually 4-wire
Part Number: AC2134229
Vehicle Info Required to Guarantee Fit
$58.49
Product Details
Location : Passenger Side, After Catalytic Converter, After Catalytic ConverterType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 12.99 in. Wire LengthThread Size : 18 mm Thread SizeInterchange Part Number : 15733, SG300Connector Gender : Female ConnectorConnector Shape : Square ConnectorWarranty : 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
213-3867 GM Original Equipment Series Oxygen Sensor, Sold individually 4-wire
AC Delco®
213-3867 GM Original Equipment Series Oxygen Sensor, Sold individually 4-wire
Part Number: AC2133867
Vehicle Info Required to Guarantee Fit
$57.49
Product Details
Location : Center, Passenger Side, After Catalytic Converter, After Secondary Catalytic Converter, Driver Side, After Catalytic Converter, Center, Driver Side, Center, After Catalytic Converter, Driver Side, After Catalytic ConverterNotes : Mates with connector PT1373; Used on vehicles with right hand O2 sensor marked 25333812Type : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 12.63 in. Wire LengthThread Size : 18 mm Thread SizeReplaces OE Number : 12583806Interchange Part Number : 2344668, 21006Connector Gender : Female ConnectorWarranty : 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
12640453 Oxygen Sensor, Sold Individually, 4-wire, 3.6L, 6Cyl, GM Original Equipment Series
AC Delco®
12640453 Oxygen Sensor, Sold Individually, 4-wire, 3.6L, 6Cyl, GM Original Equipment Series
Part Number: AC12640453
Vehicle Info Required to Guarantee Fit
$60.99
Product Details
Location : Upstream Right; Downstream Right; Downstream Left; Upstream Left, Driver Or Passenger Side, After Catalytic Converter, Driver Side Or Passenger Side, Before Catalytic Converter, Downstream Left; Upstream Right; Upstream Left; Downstream Right, Upstream Right; Downstream Left; Downstream Right; Upstream Left, Downstream Left; Downstream Right; Upstream Left; Upstream Right, Upstream Right; Downstream Left; Upstream Left; Downstream Right, Upstream Left; Upstream Right; Downstream Left; Downstream Right, Downstream Right; Downstream Left; Upstream Left; Upstream Right, Upstream Left; Upstream Right; Downstream Right; Downstream Left, Downstream Left; Upstream Right; Downstream Right; Upstream Left, Before Or After Catalytic Converter, Downstream Left; Upstream Left; Downstream Right; Upstream Right, Driver Or Passenger Side, After Catalytic Converter, Downstream Left; Upstream Left; Upstream Right; Downstream Right, Downstream Right; Upstream Left; Downstream Left; Upstream Right, Downstream Right; Upstream Left; Upstream Right; Downstream Left, Passenger Side, After Catalytic Converter, Downstream Right; Upstream Right; Downstream Left; Upstream Left, Downstream Left; Downstream Right; Upstream Right; Upstream Left, Upstream Right; Upstream Left; Downstream Right; Downstream Left, Driver Or Passenger Side, Downstream Or Upstream, Upstream Left; Downstream Right; Downstream Left; Upstream Right, Downstream Right; Downstream Left; Upstream Right; Upstream LeftNotes : Square connector shape; Heated StyleType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 10.55 in. Wire LengthThread Size : 18 mm Thread SizeConnector Gender : Female ConnectorWarranty : 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
12701634 Oxygen Sensor, Sold Individually,, GM Original Equipment Series
AC Delco®
12701634 Oxygen Sensor, Sold Individually,, GM Original Equipment Series
Part Number: AC12701634
Vehicle Info Required to Guarantee Fit
$56.09
Product Details
Location : Before Or After Catalytic Converter, After Catalytic ConverterQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWarranty : 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
213-4768 Oxygen Sensor, Sold Individually, 4-wire, 2.4L, 4Cyl, GM Original Equipment Series
AC Delco®
213-4768 Oxygen Sensor, Sold Individually, 4-wire, 2.4L, 4Cyl, GM Original Equipment Series
Part Number: AC2134768
Vehicle Info Required to Guarantee Fit
$24.49
Product Details
Location : After Catalytic Converter, Driver Side, After Catalytic ConverterNotes : Triangular connector shape; Heated StyleType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 10.07 in. Wire LengthThread Size : 18 mm Thread SizeReplaces OE Number : 12639692Connector Gender : Female ConnectorWarranty : 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
AFS105 GM Original Equipment Series Oxygen Sensor, Sold individually 4-wire
AC Delco®
AFS105 GM Original Equipment Series Oxygen Sensor, Sold individually 4-wire
Part Number: ACAFS105
Vehicle Info Required to Guarantee Fit
$93.49
Product Details
Location : Center, After Catalytic Converter, Center, Before Or After Catalytic Converter, CenterType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 9.37 in. Wire LengthThread Size : 18 mm Thread SizeInterchange Part Number : 13474Connector Gender : Male ConnectorWarranty : 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
213-1702 GM Original Equipment Series Oxygen Sensor, Sold individually 4-wire
AC Delco®
213-1702 GM Original Equipment Series Oxygen Sensor, Sold individually 4-wire
Part Number: AC2131702
Vehicle Info Required to Guarantee Fit
$47.99
Product Details
Location : After Catalytic ConverterType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 12.71 in. Wire LengthThread Size : 18 mm Thread SizeInterchange Part Number : 2344668Connector Gender : Male ConnectorWarranty : 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
12655677 Driver or Passenger Side, Before Catalytic Converter Oxygen Sensor, Sold Individually, 4-wire, 6.2L, 8Cyl, GM Original Equipment Series
AC Delco®
12655677 Driver or Passenger Side, Before Catalytic Converter Oxygen Sensor, Sold Individually, 4-wire, 6.2L, 8Cyl, GM Original Equipment Series
Part Number: AC12655677
Vehicle Info Required to Guarantee Fit
$61.49
Product Details
Location : Driver Or Passenger Side, Before Catalytic ConverterType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitConnector Gender : Male ConnectorWarranty : 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
12661898 Driver Side, After Catalytic Converter Oxygen Sensor, Sold Individually,, GM Original Equipment Series
AC Delco®
12661898 Driver Side, After Catalytic Converter Oxygen Sensor, Sold Individually,, GM Original Equipment Series
Part Number: AC12661898
Vehicle Info Required to Guarantee Fit
$63.99
Product Details
Location : Driver 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
213-4693 Driver Side, Before Catalytic Converter, Passenger Side, Before Catalytic Converter Oxygen Sensor, Sold Individually, 4-wire, 6.0L, 8Cyl, GM Original Equipment Series
AC Delco®
213-4693 Driver Side, Before Catalytic Converter, Passenger Side, Before Catalytic Converter Oxygen Sensor, Sold Individually, 4-wire, 6.0L, 8Cyl, GM Original Equipment Series
Part Number: AC2134693
Vehicle Info Required to Guarantee Fit
$79.99
Product Details
Location : Driver Side, Before Catalytic Converter, Passenger Side, Before Catalytic ConverterType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 12.71 in. Wire LengthThread Size : 18 mm Thread SizeConnector Gender : Male ConnectorWarranty : 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
AFS106 GM Original Equipment Series Oxygen Sensor, Sold individually 4-wire
AC Delco®
AFS106 GM Original Equipment Series Oxygen Sensor, Sold individually 4-wire
Part Number: ACAFS106
Vehicle Info Required to Guarantee Fit
$63.99
Product Details
Location : Passenger Side, After Catalytic Converter, After Catalytic Converter, Before Or After Catalytic ConverterType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 12.57 in. Wire LengthThread Size : 18 mm Thread SizeInterchange Part Number : 15730, SG300Connector Gender : Female ConnectorWarranty : 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
12643707 Oxygen Sensor, Sold Individually,, GM Original Equipment Series
AC Delco®
12643707 Oxygen Sensor, Sold Individually,, GM Original Equipment Series
Part Number: AC12643707
Vehicle Info Required to Guarantee Fit
$50.49
Product Details
Location : Before Catalytic Converter, Passenger Side, Before Catalytic Converter, UpstreamNotes : 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
213-819 After Catalytic Converter, Center GM Original Equipment Series Oxygen Sensor, Sold individually 4-wire
AC Delco®
213-819 After Catalytic Converter, Center GM Original Equipment Series Oxygen Sensor, Sold individually 4-wire
Part Number: AC213819
Vehicle Info Required to Guarantee Fit
$56.99
Product Details
Location : After Catalytic Converter, CenterType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 12.18 in. Wire LengthThread Size : 18 mm Thread SizeInterchange Part Number : 13474Connector Gender : Male ConnectorWarranty : 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
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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?