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1999 Oldsmobile Alero

1999 Oldsmobile Alero Oxygen Sensors

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Before Catalytic Converter Oxygen Sensor, 6 Cylinder, 3.4L Engine
Part Number: ARBS960917
Guaranteed to Fit
$18.49
Vehicle Fitment
  • 1999 Oldsmobile Alero GLS 6 Cyl 3.4L
  • 1999 Oldsmobile Alero GL 6 Cyl 3.4L
  • 1999 Oldsmobile Alero GX 6 Cyl 3.4L
Product Details
Location : Before Catalytic ConverterType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 14.75 in. Wire LengthThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeInterchange Part Number : 25024018Connector 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
After Catalytic Converter, Driver and Passenger Side Oxygen Sensors, 4-wire, Except Canada Built Vehicle
Part Number: SET-ARBS960917-2
Guaranteed to Fit
$36.99
Vehicle Fitment
  • 1999 Oldsmobile Alero GLS 6 Cyl 3.4L Engine VIN: E, FI, Naturally Aspirated, GAS
  • 1999 Oldsmobile Alero GL 6 Cyl 3.4L Engine VIN: E, FI, Naturally Aspirated, GAS
  • 1999 Oldsmobile Alero GX 6 Cyl 3.4L Engine VIN: E, FI, Naturally Aspirated, GAS
Product Details
Location : Before Catalytic ConverterComponents : (2) Oxygen SensorsType : 4-wireQuantity Sold : Set of 2Product Fit : Direct FitWire Length : 14.75 in. Wire LengthThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeConnector 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
Before Catalytic Converter Oxygen Sensor, 1-Wire, Non-Heated
Part Number: REPS960904
Guaranteed to Fit
$14.49
Vehicle Fitment
  • 1999 Oldsmobile Alero GL 4 Cyl 2.4L B1S1
  • 1999 Oldsmobile Alero GLS 4 Cyl 2.4L B1S1
  • 1999 Oldsmobile Alero GX 4 Cyl 2.4L B1S1
Product Details
Location : Before Catalytic ConverterType : 1-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 8.7 in. Wire LengthThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeInterchange Part Number : 25021028Warranty : 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
Rear Oxygen Sensor, Sold individually 4-wire
Part Number: DELES20003
Guaranteed to Fit
$52.49
Vehicle Fitment
  • 1999 Oldsmobile Alero GLS 6 Cyl 3.4L
  • 1999 Oldsmobile Alero GL 6 Cyl 3.4L
  • 1999 Oldsmobile Alero GL 4 Cyl 2.4L
  • 1999 Oldsmobile Alero GLS 4 Cyl 2.4L
  • 1999 Oldsmobile Alero GX 4 Cyl 2.4L
  • 1999 Oldsmobile Alero GX 6 Cyl 3.4L
Product Details
Location : RearType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 44.88 in. Wire LengthThread Size : 18 x 1.5 mm Thread SizeInterchange Part Number : 15730, SG300Warranty : 1-year or 12,000-mile Delphi 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 : Labor Day Sale
Walker Products Original Equipment Base Sensor Oxygen Sensor, Sold individually 4-wire
Part Number: 25024018
Guaranteed to Fit
$40.49
Vehicle Fitment
  • 1999 Oldsmobile Alero GLS 6 Cyl 3.4L
  • 1999 Oldsmobile Alero GL 6 Cyl 3.4L
  • 1999 Oldsmobile Alero GX 6 Cyl 3.4L
Product Details
Location : Before Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 14.76 in. Wire LengthInterchange Part Number : ARBS960917Warranty : 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
Walker Products Aftermarket Base Sensor Oxygen Sensor, Sold individually 4-wire
Part Number: WKP35034134
Guaranteed to Fit
$50.49
Vehicle Fitment
  • 1999 Oldsmobile Alero GLS 6 Cyl 3.4L Eng. VIN: E, FI, Naturally Aspirated, GAS
  • 1999 Oldsmobile Alero GL 6 Cyl 3.4L Eng. VIN: E, FI, Naturally Aspirated, GAS
  • 1999 Oldsmobile Alero GL 4 Cyl 2.4L Eng. VIN: T, FI, Naturally Aspirated, GAS
  • 1999 Oldsmobile Alero GLS 4 Cyl 2.4L Eng. VIN: T, FI, Naturally Aspirated, GAS
  • 1999 Oldsmobile Alero GX 4 Cyl 2.4L Eng. VIN: T, FI, Naturally Aspirated, GAS
  • 1999 Oldsmobile Alero GX 6 Cyl 3.4L Eng. VIN: E, FI, Naturally Aspirated, GAS
Product Details
Location : After Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 44.88 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
Walker Products Aftermarket Base Sensor Oxygen Sensor, Sold individually 4-wire
Part Number: WKP35034525
Guaranteed to Fit
$33.49
Vehicle Fitment
  • 1999 Oldsmobile Alero GLS 6 Cyl 3.4L Eng. VIN: E, FI, Naturally Aspirated, GAS
  • 1999 Oldsmobile Alero GL 6 Cyl 3.4L Eng. VIN: E, FI, Naturally Aspirated, GAS
  • 1999 Oldsmobile Alero GX 6 Cyl 3.4L Eng. VIN: E, FI, Naturally Aspirated, GAS
Product Details
Location : Before 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 Aftermarket Base Sensor
Downstream OE Replacement Series Oxygen Sensor, Sold individually 4-wire
Part Number: BS13111
Guaranteed to Fit
$53.49
Vehicle Fitment
  • 1999 Oldsmobile Alero GLS 6 Cyl 3.4L OE manufactured part
  • 1999 Oldsmobile Alero GL 6 Cyl 3.4L OE manufactured part
  • 1999 Oldsmobile Alero GL 4 Cyl 2.4L OE manufactured part
  • 1999 Oldsmobile Alero GLS 4 Cyl 2.4L OE manufactured part
  • 1999 Oldsmobile Alero GX 4 Cyl 2.4L OE manufactured part
  • 1999 Oldsmobile Alero GX 6 Cyl 3.4L OE manufactured part
Product Details
Location : DownstreamType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitInterchange Part Number : 2344668Warranty : 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 : OE Replacement Series
Oxygen Sensor, Sold individually 4-wire
Part Number: NP2344000
Guaranteed to Fit
$46.49
Vehicle Fitment
  • 1999 Oldsmobile Alero GLS 6 Cyl 3.4L O.E. Quality Universal Replacement Sensor
  • 1999 Oldsmobile Alero GLS 4 Cyl 2.4L O.E. Quality Universal Replacement Sensor
  • 1999 Oldsmobile Alero GX 4 Cyl 2.4L O.E. Quality Universal Replacement Sensor
  • 1999 Oldsmobile Alero GL 6 Cyl 3.4L O.E. Quality Universal Replacement Sensor
  • 1999 Oldsmobile Alero GL 4 Cyl 2.4L O.E. Quality Universal Replacement Sensor
  • 1999 Oldsmobile Alero GX 6 Cyl 3.4L O.E. Quality Universal Replacement Sensor
Product Details
Location : Before or After Catalytic ConverterType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitInterchange Part Number : 13231Warranty : 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.

OE Replacement Series Oxygen Sensor, Sold individually 4-wire
Part Number: BS13483
Guaranteed to Fit
$48.99
Vehicle Fitment
  • 1999 Oldsmobile Alero GLS 6 Cyl 3.4L Alternative Fit 1; OE manufactured part
  • 1999 Oldsmobile Alero GL 6 Cyl 3.4L Alternative Fit 1; OE manufactured part
  • 1999 Oldsmobile Alero GL 4 Cyl 2.4L Alternative Fit 1; OE manufactured part
  • 1999 Oldsmobile Alero GLS 4 Cyl 2.4L Alternative Fit 1; OE manufactured part
  • 1999 Oldsmobile Alero GX 4 Cyl 2.4L Alternative Fit 1; OE manufactured part
  • 1999 Oldsmobile Alero GX 6 Cyl 3.4L Alternative Fit 1; OE manufactured part
Product Details
Location : DownstreamType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWarranty : 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 : OE Replacement Series
OE Replacement Series Oxygen Sensor, Sold individually 1-wire
Part Number: BS11027
Guaranteed to Fit
$20.49
Vehicle Fitment
  • 1999 Oldsmobile Alero GLS 4 Cyl 2.4L OE manufactured part
  • 1999 Oldsmobile Alero GL 4 Cyl 2.4L OE manufactured part
  • 1999 Oldsmobile Alero GX 4 Cyl 2.4L OE manufactured part
Product Details
Location : Before Catalytic ConverterType : 1-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitInterchange Part Number : 12014, 2341000Warranty : 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 : OE Replacement Series
After Catalytic Converter Oxygen Sensor, Sold individually 4-wire
Part Number: NP2344617
Guaranteed to Fit
$49.49
Vehicle Fitment
  • 1999 Oldsmobile Alero GLS 6 Cyl 3.4L O.E. Quality Replacement Sensor
  • 1999 Oldsmobile Alero GL 6 Cyl 3.4L O.E. Quality Replacement Sensor
  • 1999 Oldsmobile Alero GL 4 Cyl 2.4L O.E. Quality Replacement Sensor
  • 1999 Oldsmobile Alero GLS 4 Cyl 2.4L O.E. Quality Replacement Sensor
  • 1999 Oldsmobile Alero GX 4 Cyl 2.4L O.E. Quality Replacement Sensor
  • 1999 Oldsmobile Alero GX 6 Cyl 3.4L O.E. Quality Replacement Sensor
Product Details
Location : After Catalytic ConverterType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitInterchange Part Number : 13474Warranty : 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.

Before Catalytic Converter GM Original Equipment Series Oxygen Sensor, Sold individually 4-wire
Part Number: ACAFS109
Guaranteed to Fit
$61.99
Vehicle Fitment
  • 1999 Oldsmobile Alero GLS 6 Cyl 3.4L In Exh Manifold/Crossover
  • 1999 Oldsmobile Alero GLS 4 Cyl 2.4L In Exh Manifold/Crossover
  • 1999 Oldsmobile Alero GL 6 Cyl 3.4L In Exh Manifold/Crossover
Product Details
Location : Before Catalytic ConverterType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 9.81 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
Professional Series Oxygen Sensor, Sold individually 1-wire
Part Number: AC2131186
Guaranteed to Fit
$64.99
Vehicle Fitment
  • 1999 Oldsmobile Alero GL 4 Cyl 2.4L FI, Naturally Aspirated, GAS
  • 1999 Oldsmobile Alero GLS 4 Cyl 2.4L FI, Naturally Aspirated, GAS
  • 1999 Oldsmobile Alero GX 4 Cyl 2.4L FI, Naturally Aspirated, GAS
Product Details
Location : Before Catalytic ConverterType : 1-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 13.75 in. Wire LengthThread Size : 18 mm Thread SizeInterchange Part Number : 13053, 25021028Connector 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 : Professional Series
OE Replacement Series Oxygen Sensor, Sold individually 1-wire
Part Number: BS13022
Guaranteed to Fit
$38.99
Vehicle Fitment
  • 1999 Oldsmobile Alero GL 4 Cyl 2.4L OE manufactured part
  • 1999 Oldsmobile Alero GLS 4 Cyl 2.4L OE manufactured part
  • 1999 Oldsmobile Alero GX 4 Cyl 2.4L OE manufactured part
Product Details
Location : UpstreamType : 1-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 17.2 in. Wire LengthInterchange Part Number : 12014, 2341000Warranty : 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 : OE Replacement Series
Page 1 of 4 | Showing 1 - 15 of 46 results

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I'm very pleased about the products that I ordered and I'll get more parts from this See More
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Product Questions & Answers

Q:What is the difference between this part and AC21025117?
Ron W.
A:BEST ANSWERHi Ron, thank you for reaching out. The difference between the two part numbers are the series and manufacturer. The Professional series is the high-quality alternative to OE (original equipment) part. While, the GM Original Equipment series is the OE (original equipment) part. The specifications and features of the part numbers 21025117 and 213-1186 are similar. If you prefer this product, you can use this link to continue ordering this part at a discounted price today: https://www.carparts.com/oxygen-sensor/ac-delco/ac2131186?can=CPAP3648_CSQA_20240106 Should you decide to get the AC21025117, you can click this link to order the part at a discounted price today while supplies last: https://www.carparts.com/oxygen-sensor/ac-delco/ac21025117?can=CPAP3648_CSQA_20240106 I hope this helps. Enjoy shopping. Show less
Aldrin P.
 
1 Question, 1 AnswerView all Q&As >
Q:how many O2 sensors does my 1998 seville sts require?
Chris H.
A:BEST ANSWERHi Chris, The vehicle has 4 total.
Grace G.
 
1 Question, 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.