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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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213-3537 GM Original Equipment Series Oxygen Sensor, Sold individually 4-wire
AC Delco®
213-3537 GM Original Equipment Series Oxygen Sensor, Sold individually 4-wire
Part Number: AC2133537
Vehicle Info Required to Guarantee Fit
$79.49
Product Details
Location : Passenger Side, Center, Passenger Side, After Catalytic Converter, Center, After Catalytic ConverterNotes : Used on vehicles with right hand O2 sensor marked 19209805Type : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 10.94 in. Wire LengthThread Size : 18 mm Thread SizeInterchange Part Number : OS5199Connector 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
213-4537 Before Catalytic Converter GM Original Equipment Series Oxygen Sensor, Sold individually 4-wire 4, 2.4
AC Delco®
213-4537 Before Catalytic Converter GM Original Equipment Series Oxygen Sensor, Sold individually 4-wire 4, 2.4
Part Number: AC2134537
Vehicle Info Required to Guarantee Fit
$46.49
Product Details
Location : Before Catalytic ConverterType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 7.26 in. Wire LengthThread Size : 18 mm Thread SizeInterchange Part Number : 2344668, 21006Connector 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 GM Original Equipment Series Oxygen Sensor, Sold individually 4-wire 8, 6.2
AC Delco®
12655677 GM Original Equipment Series Oxygen Sensor, Sold individually 4-wire 8, 6.2
Part Number: AC12655677
Vehicle Info Required to Guarantee Fit
$46.47
Product Details
Location : Upstream Left, Driver Or Passenger Side, Before Catalytic Converter, Driver Side, Before Catalytic Converter, Before Catalytic Converter, Passenger Side, Before Catalytic Converter, Upstream Left Or Upstream Right, Upstream Right Or Upstream LeftType : 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
12634061 GM Original Equipment Series Oxygen Sensor, Sold individually 4-wire
AC Delco®
12634061 GM Original Equipment Series Oxygen Sensor, Sold individually 4-wire
Part Number: AC12634061
Vehicle Info Required to Guarantee Fit
$37.87
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; Upstream Left; Downstream Right, Upstream Left; Upstream Right; Downstream Right; Downstream Left, Downstream Right; Downstream Left; Upstream Left; Upstream Right, Upstream Left; Upstream Right; Downstream Left; Downstream Right, Downstream Left; Upstream Right; Downstream Right; Upstream Left, Before Or After Catalytic Converter, Downstream Left; Upstream Left; Upstream Right; Downstream Right, Downstream Right; Upstream Right; Upstream Left; Downstream Left, Downstream Right; Upstream Left; Downstream Left; Upstream Right, Downstream Right; Upstream Left; Upstream Right; Downstream Left, Upstream Left; Downstream Right; Upstream Right; Downstream Left, Upstream Left; Downstream Left; Upstream Right; Downstream Right, Before Catalytic Converter, Upstream Right; Upstream Left; Downstream Right; Downstream Left, Upstream Left; Downstream Right; Downstream Left; Upstream RightType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 9.96 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
12643707 GM Original Equipment Series Oxygen Sensor, Sold individually
AC Delco®
12643707 GM Original Equipment Series Oxygen Sensor, Sold individually
Part Number: AC12643707
Vehicle Info Required to Guarantee Fit
$44.51
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
12659516 GM Original Equipment Series Oxygen Sensor, Sold individually
AC Delco®
12659516 GM Original Equipment Series Oxygen Sensor, Sold individually
Part Number: AC12659516
Vehicle Info Required to Guarantee Fit
$51.72
Product Details
Location : Upstream Left, Driver Or Passenger Side, Before Catalytic Converter, Driver Side, Before Catalytic Converter, Upstream Right Or Upstream, Before Catalytic Converter, Upstream Or Upstream RightQuantity 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
12657188 GM Original Equipment Series Oxygen Sensor, Sold individually
AC Delco®
12657188 GM Original Equipment Series Oxygen Sensor, Sold individually
Part Number: AC12657188
Vehicle Info Required to Guarantee Fit
$32.61
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
$50.99
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
213-1698 Before Catalytic Converter GM Original Equipment Series Oxygen Sensor, Sold individually 4-wire 6, 4.2
AC Delco®
213-1698 Before Catalytic Converter GM Original Equipment Series Oxygen Sensor, Sold individually 4-wire 6, 4.2
Part Number: AC2131698
Vehicle Info Required to Guarantee Fit
$105.49
Product Details
Location : Before Catalytic ConverterType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 13.97 in. Wire LengthThread Size : 18 mm Thread SizeInterchange Part Number : 15733, SG300Connector 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
213-1568 GM Original Equipment Series Oxygen Sensor, Sold individually 4-wire
AC Delco®
213-1568 GM Original Equipment Series Oxygen Sensor, Sold individually 4-wire
Part Number: AC2131568
Vehicle Info Required to Guarantee Fit
$53.99
Product Details
Location : Center, Before Catalytic ConverterType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 10.15 in. Wire LengthThread Size : 18 mm Thread SizeInterchange Part Number : 2344668Connector 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
19353381 Upstream GM Original Equipment Series Oxygen Sensor, Sold individually 6, 3.6
AC Delco®
19353381 Upstream GM Original Equipment Series Oxygen Sensor, Sold individually 6, 3.6
Part Number: AC19353381
Vehicle Info Required to Guarantee Fit
$108.99
Product Details
Location : UpstreamQuantity 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
213-3138 Center GM Original Equipment Series Oxygen Sensor, Sold individually 4-wire
AC Delco®
213-3138 Center GM Original Equipment Series Oxygen Sensor, Sold individually 4-wire
Part Number: AC2133138
Vehicle Info Required to Guarantee Fit
$91.99
Product Details
Location : CenterType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 25.78 in. Wire LengthThread Size : 18 mm Thread SizeInterchange Part Number : 2344646Connector 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
213-3237 Before Catalytic Converter GM Original Equipment Series Oxygen Sensor, Sold individually 4-wire
AC Delco®
213-3237 Before Catalytic Converter GM Original Equipment Series Oxygen Sensor, Sold individually 4-wire
Part Number: AC2133237
Vehicle Info Required to Guarantee Fit
$49.99
Product Details
Location : Before Catalytic ConverterType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 9.62 in. Wire LengthThread Size : 18 mm Thread SizeInterchange Part Number : 15730, SG300Connector 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
213-4408 GM Original Equipment Series Oxygen Sensor, Sold individually 4-wire
AC Delco®
213-4408 GM Original Equipment Series Oxygen Sensor, Sold individually 4-wire
Part Number: AC2134408
Vehicle Info Required to Guarantee Fit
$86.99
Product Details
Location : Center, Driver Or Passenger Side, Before Catalytic ConverterType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 12.18 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
55485043 Upstream Oxygen Sensor, Sold individually 4, 1.8
AC Delco®
55485043 Upstream Oxygen Sensor, Sold individually 4, 1.8
Part Number: AC55485043
Vehicle Info Required to Guarantee Fit
$45.49
Product Details
Location : UpstreamQuantity 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.

Page 1 of 16 | Showing 1 - 15 of 239 results

Top Rated Products

AC Delco 12634061 GM Original Equipment Series Oxygen Sensor, Sold individually 4-wire
$37.87( Review)
Perfect fit, good quality.
Brian M.
VERIFIED PURCHASER
AC Delco 12659516 GM Original Equipment Series Oxygen Sensor, Sold individually
$51.72( Review)
Genuine OEM part, came quickly and correctly. Easy install. Will order from them agaiSee More
Lawrence M.
VERIFIED PURCHASER
AC Delco 12643707 GM Original Equipment Series Oxygen Sensor, Sold individually
$44.51( Review)
Solve my problem with my car
Victoria G.
VERIFIED PURCHASER

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?