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Mazda Oxygen Sensors

The oxygen sensor regulates the air-to-gas ratio inside your engine. When it’s faulty, your Mazda will have poor gas mileage and emit harmful odors and toxins. If you’re looking for a high-quality oxygen sensor replacement at a reasonable price, you’ve come to the right place! CarParts.com has a wide range of oxygen sensors designed to provide reliable feedback to your Mazda’s control system. Check out our deals on oxygen sensors for the Mazda 3, Mazda 6, MPV, and many others!
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Oxygen Sensor, 4-Wire, Heated
Part Number: REPF960904
Vehicle Info Required to Guarantee Fit
$24.49
Product Details
Location : Center, Passenger Side - Before Catalytic Converter, After Catalytic Converter, Driver Side - Before Catalytic Converter, Before Catalytic Converter, Passenger Side - After Catalytic Converter, After Catalytic Converter, Center, Driver Side - Before Catalytic Converter, After Catalytic Converter, After Secondary Catalytic Converter, Before Catalytic Converter, Before Catalytic Converter, Driver Side - After Catalytic Converter, After Primary Catalytic Converter, Before Catalytic Converter, Driver Side - After Catalytic Converter, Before Or After Catalytic Converter, After Catalytic ConverterType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 15.75 in. Wire LengthThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeInterchange Part Number : 25024001Connector 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 : 60-Day Return Policy
Before and After Catalytic Converter Oxygen Sensors, 4-wire
Part Number: SET-REPF960904-2
Vehicle Info Required to Guarantee Fit
$46.49
Product Details
Location : Center, After Catalytic Converter, Front And Rear, After Catalytic Converter, Rear, After Catalytic Converter, Center, Before And After Secondary Catalytic Converter, Before Catalytic Converter, After Primary Catalytic Converter, Before And After Catalytic Converter, Before And After Catalytic Converter, Passenger Side, After Catalytic ConverterComponents : (2) Oxygen SensorsType : 4-wireQuantity Sold : Set of 2Product Fit : Direct FitWire Length : 15.75 in. Wire LengthThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeInterchange Part Number : 25024001Connector 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 : 60-Day Return Policy
Oxygen Sensors, 4-Wire
Part Number: SET-REPF960904-4
Vehicle Info Required to Guarantee Fit
$92.99
Product Details
Location : Before And After Catalytic ConverterComponents : (4) Oxygen SensorsType : 4-wireQuantity Sold : Set of 4Product Fit : Direct FitWire Length : 15.75 in. Wire LengthThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeInterchange Part Number : 25024001Connector 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 : 60-Day Return Policy
Before Catalytic Converter, Oxygen Sensor, 5-Wire, Wideband Sensor
Part Number: REPA960912
Vehicle Info Required to Guarantee Fit
$50.49
Product Details
Location : Driver Side, Before Catalytic Converter, Before Primary Catalytic Converter, Before Secondary Catalytic Converter, Before Catalytic Converter, Before Catalytic Converter, Manifold, Passenger Side, Before Catalytic Converter, After Catalytic ConverterNotes : Wideband sensorType : 5-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeInterchange Part Number : 25025049Connector 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 : 60-Day Return Policy
Oxygen Sensor, 4-Wire, FI, Naturally Aspirated, GAS, B1S2
Part Number: REPS960907
Vehicle Info Required to Guarantee Fit
$19.99
Product Details
Location : After Catalytic Converter, Center, Driver Side - After Catalytic Converter, After Catalytic ConverterType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 21.26 in. Wire LengthThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeInterchange Part Number : 25024440Connector 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 : 60-Day Return Policy
Before or After Catalytic Converter, Driver or Passenger Side Oxygen Sensor, 4-Wire, Heated
Part Number: REPF960902
Vehicle Info Required to Guarantee Fit
$28.06
Product Details
Location : Before Catalytic Converter, Passenger Side, Before Catalytic Converter, Before Catalytic Converter, Driver Side, Before Or After Catalytic Converter, After Catalytic ConverterType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeInterchange Part Number : 15664Connector 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 : 60-Day Return Policy
Before Catalytic Converter Oxygen Sensors, 4-wire, Rear Wheel Drive
Part Number: SET-REPF960902-2
Vehicle Info Required to Guarantee Fit
$53.49
Product Details
Location : Before Catalytic Converter, Before And After Catalytic Converter, After Catalytic ConverterComponents : (2) Oxygen SensorsType : 4-wireQuantity Sold : Set of 2Product Fit : Direct FitThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeInterchange Part Number : 15664Connector 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 : 60-Day Return Policy
Before Catalytic Converter Oxygen Sensors, 4-wire, Rear Wheel Drive
Part Number: SET-REPF960902-4
Vehicle Info Required to Guarantee Fit
$106.49
Product Details
Location : Before And After Catalytic ConverterComponents : (4) Oxygen SensorsType : 4-wireQuantity Sold : Set of 4Product Fit : Direct FitThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeInterchange Part Number : 15664Connector 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 : 60-Day Return Policy
Oxygen Sensor, 4-Wire, Heated
Part Number: REPF960911
Vehicle Info Required to Guarantee Fit
$21.99
Product Details
Location : After Primary Or Secondary Catalytic Converter, Passenger Side - After Catalytic Converter, After Secondary Catalytic Converter, After Primary Catalytic Converter, After Catalytic ConverterType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeInterchange Part Number : 25024983Connector 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 : 60-Day Return Policy
Oxygen Sensor, 4-Wire, Heated
Part Number: REPF960907
Vehicle Info Required to Guarantee Fit
$17.99
Product Details
Location : Before Primary Catalytic Converter, Before Secondary Catalytic Converter, Before Catalytic ConverterType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 11 in. Wire LengthThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeInterchange Part Number : 25024749Connector 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 : 60-Day Return Policy
Before Catalytic Converter Oxygen Sensors, 4-wire
Part Number: SET-REPF960907-2
Vehicle Info Required to Guarantee Fit
$33.99
Product Details
Location : Before Catalytic Converter, Rear, Before Catalytic Converter, Driver And Passenger Side, Before Catalytic Converter, Front And Rear, Before Catalytic Converter, After Catalytic Converter, Before Catalytic Converter, Front, After Catalytic Converter, FrontComponents : (2) Oxygen SensorsType : 4-wireQuantity Sold : Set of 2Product Fit : Direct FitWire Length : 11 in. Wire LengthThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeInterchange Part Number : 25024749Connector 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 : 60-Day Return Policy
Oxygen Sensor, 4-Wire, Heated
Part Number: REPF960908
Vehicle Info Required to Guarantee Fit
$18.99
Product Details
Location : Passenger Side - Before Catalytic Converter, After Catalytic Converter, Driver Side - Before Catalytic Converter, Before Catalytic Converter, Passenger Side - After Catalytic Converter, After Secondary Catalytic Converter, Before Catalytic Converter, Driver Side - After Catalytic Converter, Before Catalytic Converter, Driver Side - After Catalytic Converter, After Catalytic Converter, Driver Side - Before Catalytic Converter, Before Or After Catalytic ConverterType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 18.82 in. Wire LengthThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeInterchange Part Number : 25024127Connector 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 : 60-Day Return Policy
After Catalytic Converter Oxygen Sensor, 4-Wire, Heated
Part Number: RM96090020
Vehicle Info Required to Guarantee Fit
$27.49
Product Details
Location : After Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 12.8 in. Wire LengthInterchange Part Number : 25024872Warranty : 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 : 60-Day Return Policy
Before Catalytic Converter Oxygen Sensor, 5-Wire, Heated, Wideband Sensor
Part Number: REPM960921
Vehicle Info Required to Guarantee Fit
$48.99
Product Details
Location : Before Catalytic ConverterNotes : Wideband sensorType : 5-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeInterchange Part Number : 25025029Connector 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 : 60-Day Return Policy
Oxygen Sensor - Set of 2
Part Number: SET-REPM960921-2
Vehicle Info Required to Guarantee Fit
$55.99
Product Details
Location : Before And After Catalytic ConverterQuantity Sold : Set of 2Product Fit : Direct FitInterchange Part Number : 25024872, 25025029Warranty : 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 : 60-Day Return Policy
Page 1 of 40 | Showing 1 - 15 of 586 results

Top Rated Products

Right part. Quality product. The only issue was the time it took to get the part. ThaSee More
Robert W.
VERIFIED PURCHASER
Over all good quality product at a good price. The only reason I am giving a 4☆ revieSee More
Aldo H.
VERIFIED PURCHASER
Of Car parts. I bought an oxygen sensor for my Ford Escape car, I installed it myselSee More
G R.
VERIFIED PURCHASER

Product Questions & Answers

Q:Is this upstream?
Amanda G.
A:BEST ANSWERHi Amanda, I'll be glad to assist you. Yes, this is an upstream sensor. Click the link below to order the sensor and enjoy the current 40% sale. Have a good one! https://www.carparts.com/oxygen-sensor/drivewire/repm960921?can=cpab2020_20220426 Show less
Andrew B.
 
1 Question, 1 AnswerView all Q&As >