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1993 Buick Regal

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, 4-wire, 6 Cyl., 3.8L Engine
Part Number: ARBP960901
Guaranteed to Fit
$19.49
Vehicle Fitment
  • 1993 Buick Regal Limited 6 Cyl 3.8L 4 Wire Sensor
  • 1993 Buick Regal Custom 6 Cyl 3.8L 4 Wire Sensor
  • 1993 Buick Regal Gran Sport 6 Cyl 3.8L 4 Wire Sensor
Product Details
Location : Before Catalytic ConverterType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 15 in. Wire LengthThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeInterchange Part Number : 25024012Connector Gender : Female 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 Sensors, 4-wire, 6 Cyl., 3.8L Engine, Engine VIN: FI, L, Naturally Aspirated, GAS
Part Number: SET-ARBP960901-2
Guaranteed to Fit
$36.99
Vehicle Fitment
  • 1993 Buick Regal Limited 6 Cyl 3.8L Engine VIN: FI, L, Naturally Aspirated, GAS
  • 1993 Buick Regal Custom 6 Cyl 3.8L Engine VIN: FI, L, Naturally Aspirated, GAS
  • 1993 Buick Regal Gran Sport 6 Cyl 3.8L Engine VIN: FI, L, Naturally Aspirated, GAS
Product Details
Location : Before Catalytic ConverterComponents : (2) Oxygen SensorsType : 4-wireQuantity Sold : Set of 2Product Fit : Direct FitWire Length : 15 in. Wire LengthThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeConnector Gender : Female 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 and After Catalytic Converter, Driver and Passenger Side Oxygen Sensors, 4-Wire, 6 Cylinder, 3.8L Engine
Part Number: SET-ARBP960901-4
Guaranteed to Fit
$73.99
Vehicle Fitment
  • 1993 Buick Regal Limited 6 Cyl 3.8L Engine VIN: FI, L, Naturally Aspirated, GAS, 4 Wire Sensor
  • 1993 Buick Regal Custom 6 Cyl 3.8L Engine VIN: FI, L, Naturally Aspirated, GAS, 4 Wire Sensor
  • 1993 Buick Regal Gran Sport 6 Cyl 3.8L Engine VIN: FI, L, Naturally Aspirated, GAS, 4 Wire Sensor
Product Details
Location : Before and After Catalytic Converter, Driver and Passenger SideComponents : (4) Oxygen SensorsType : 4-wireQuantity Sold : Set of 4Product Fit : Direct FitWire Length : 15 in. Wire LengthThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeConnector Gender : Female 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 Sensors, 4-Wire, 6 Cyl., 3.8L Engine, Engine VIN: FI, L, Naturally Aspirated, GAS, 4 Wire Sensor
Part Number: SET-ARBP960901-3
Guaranteed to Fit
$55.49
Vehicle Fitment
  • 1993 Buick Regal Limited 6 Cyl 3.8L Engine VIN: FI, L, Naturally Aspirated, GAS, 4 Wire Sensor
  • 1993 Buick Regal Custom 6 Cyl 3.8L Engine VIN: FI, L, Naturally Aspirated, GAS, 4 Wire Sensor
  • 1993 Buick Regal Gran Sport 6 Cyl 3.8L Engine VIN: FI, L, Naturally Aspirated, GAS, 4 Wire Sensor
Product Details
Location : Before Catalytic ConverterComponents : (3) Oxygen SensorsType : 4-wireQuantity Sold : Set of 3Product Fit : Direct FitWire Length : 15 in. Wire LengthThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeConnector Gender : Female 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, Driver or Passenger Side Oxygen Sensor, 1-Wire, Unheated
Part Number: ARBC960901
Guaranteed to Fit
$18.49
Vehicle Fitment
  • 1993 Buick Regal Limited 6 Cyl 3.1L Non California-ESV
  • 1993 Buick Regal Custom 6 Cyl 3.1L Non California-ESV
Product Details
Location : Before Catalytic ConverterType : 1-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 18.25 in. Wire LengthThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeInterchange Part Number : 25021001Connector 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 Sensors, 3.1L Engine, For Models Without California Emissions, 1-Wire, Non-Heated, 18.25 in. Wire Length, Set Of 2
Part Number: SET-ARBC960901
Guaranteed to Fit
$19.49
Vehicle Fitment
  • 1993 Buick Regal Limited 6 Cyl 3.1L Engine VIN: T, FI, Naturally Aspirated, GAS, Non California-ESV
  • 1993 Buick Regal Custom 6 Cyl 3.1L Engine VIN: T, FI, Naturally Aspirated, GAS, Non California-ESV
Product Details
Location : Before Catalytic ConverterComponents : (2) Oxygen SensorsType : 1-wireQuantity Sold : Set of 2Product Fit : Direct FitWire Length : 18.25 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, 3-Wire, Heated
Part Number: RC96090011
Guaranteed to Fit
$21.49
Vehicle Fitment
  • 1993 Buick Regal Gran Sport 6 Cyl 3.8L 3 Wire Sensor
  • 1993 Buick Regal Limited 6 Cyl 3.8L 3 Wire Sensor
  • 1993 Buick Regal Custom 6 Cyl 3.8L 3 Wire Sensor
Product Details
Location : Before Catalytic ConverterNotes : HeatedType : 3-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 12.8 in. Wire LengthInterchange Part Number : 25023011Warranty : 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, Driver or Passenger Side Oxygen Sensor, 3-Wire, Heated
Part Number: ARBP960918
Guaranteed to Fit
$20.49
Vehicle Fitment
  • 1993 Buick Regal Limited 6 Cyl 3.1L California-ESV
  • 1993 Buick Regal Custom 6 Cyl 3.1L California-ESV
Product Details
Location : Before Catalytic ConverterType : 3-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 12.75 in. Wire LengthThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeInterchange Part Number : 25023005Connector Gender : Female 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 Walker Products Original Equipment Base Sensor Oxygen Sensor, Sold individually 1-wire
Part Number: 25021001
Guaranteed to Fit
$31.49
Vehicle Fitment
  • 1993 Buick Regal Limited 6 Cyl 3.1L Non California-ESV
  • 1993 Buick Regal Custom 6 Cyl 3.1L Non California-ESV
Product Details
Location : Before Catalytic ConverterNotes : Non-HeatedType : 1-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 14.57 in. Wire LengthReplaces OE Number : 8990741, 8990741Interchange Part Number : ARBC960901Warranty : 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
Oxygen Sensor, Sold individually 1-wire
Part Number: DELES10966
Guaranteed to Fit
$25.49
Vehicle Fitment
  • 1993 Buick Regal Limited 6 Cyl 3.1L With 320mm Overall Length; Without California Emissions System
  • 1993 Buick Regal Custom 6 Cyl 3.1L With 320mm Overall Length; Without California Emissions System
Product Details
Type : 1-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 12.60 in. Wire LengthThread Size : 18 x 1.5 mm Thread SizeInterchange Part Number : 12014, 2341000Warranty : 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.

Walker Products Aftermarket Base Sensor Oxygen Sensor, Sold individually 4-wire
Part Number: WKP35034128
Guaranteed to Fit
$34.99
Vehicle Fitment
  • 1993 Buick Regal Limited 6 Cyl 3.8L Eng. VIN: L, FI, Naturally Aspirated, GAS
  • 1993 Buick Regal Custom 6 Cyl 3.8L Eng. VIN: L, FI, Naturally Aspirated, GAS
  • 1993 Buick Regal Gran Sport 6 Cyl 3.8L Eng. VIN: L, 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
Oxygen Sensor, Sold individually 4-wire
Part Number: NP2344012
Guaranteed to Fit
$28.49
Vehicle Fitment
  • 1993 Buick Regal Limited 6 Cyl 3.8L 4 Lead Sensor
  • 1993 Buick Regal Custom 6 Cyl 3.8L 4 Lead Sensor
  • 1993 Buick Regal Gran Sport 6 Cyl 3.8L 4 Lead Sensor
Product Details
Location : Before 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.

Oxygen Sensor, Sold individually 3-wire
Part Number: NP2343000
Guaranteed to Fit
$42.49
Vehicle Fitment
  • 1993 Buick Regal Gran Sport 6 Cyl 3.8L 3 Lead Sensor
  • 1993 Buick Regal Limited 6 Cyl 3.8L 3 Lead Sensor
  • 1993 Buick Regal Custom 6 Cyl 3.8L 3 Lead Sensor
Product Details
Location : Before Catalytic ConverterType : 3-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitInterchange Part Number : 13942Warranty : 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.

Oxygen Sensor, Sold individually 4-wire
Part Number: NP2344000
Guaranteed to Fit
$46.99
Vehicle Fitment
  • 1993 Buick Regal Gran Sport 6 Cyl 3.8L 4 Lead Sensor
  • 1993 Buick Regal Limited 6 Cyl 3.8L 4 Lead Sensor
  • 1993 Buick Regal Custom 6 Cyl 3.8L 4 Lead Sensor
Product Details
Location : Before 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.

Before Catalytic Converter Walker Products Original Equipment Base Sensor Oxygen Sensor, Sold individually 3-wire
Part Number: 25023011
Guaranteed to Fit
$50.49
Vehicle Fitment
  • 1993 Buick Regal Gran Sport 6 Cyl 3.8L 3 Wire Sensor
  • 1993 Buick Regal Limited 6 Cyl 3.8L 3 Wire Sensor
  • 1993 Buick Regal Custom 6 Cyl 3.8L 3 Wire Sensor
Product Details
Location : Before Catalytic ConverterNotes : HeatedType : 3-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 12.8 in. Wire LengthInterchange Part Number : RC96090011Warranty : 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
Page 1 of 5 | Showing 1 - 15 of 61 results

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Product Questions & Answers

Q:Where is the firmest of this sensor?
Pedro C.
A:BEST ANSWERHi Pedro, thank you for reaching out! I do not understand what you mean. Did you mean to use another word than firmest? If not, can you rephrase your question? Show less
Andrew B.
 
1 Question, 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!