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Ford Focus Oxygen Sensors

If your Ford Focus is running rough and has noticeably poor fuel economy, it may be caused by a bad oxygen sensor. Luckily, CarParts.com has you covered. We have a selection of Ford Focus parts to help keep your vehicle in good shape. Our competitively priced products are handpicked by our team of experts to make sure each component functions and fits just as well as its OE counterpart. Check out our Ford Focus oxygen sensors and place your order today!
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Oxygen Sensor, 4-Wire, Heated
DriveWire
Oxygen Sensor, 4-Wire, Heated
Part Number: REPF960904
Vehicle Info Required to Guarantee Fit
$19.99
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, After Primary Catalytic Converter, Driver Side - After Catalytic Converter, Before Catalytic Converter, Driver Side - After Catalytic Converter, After Catalytic Converter, Before Or 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 : 30-Day Return Policy
Before and After Catalytic Converter Oxygen Sensors, 4-wire
DriveWire
Before and After Catalytic Converter Oxygen Sensors, 4-wire
Part Number: SET-REPF960904-2
Vehicle Info Required to Guarantee Fit
$38.99
Product Details
Location : Center, After Catalytic Converter, Front And Rear, After Catalytic Converter, Center, After Catalytic Converter, Rear, 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 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, 5-Wire, Wideband Sensor
DriveWire
Before Catalytic Converter, Oxygen Sensor, 5-Wire, Wideband Sensor
Part Number: REPA960912
Vehicle Info Required to Guarantee Fit
$56.49
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 : 30-Day Return Policy
Before Catalytic Converter, Driver Side Oxygen Sensor, 5-wire
DriveWire
Before Catalytic Converter, Driver Side Oxygen Sensor, 5-wire
Part Number: REPS960915
Vehicle Info Required to Guarantee Fit
$40.99
Product Details
Location : Driver Or Passenger Side, Before Catalytic Converter, Driver Side, Before Catalytic Converter, Before Primary Catalytic Converter, Before Secondary Catalytic Converter, Before Catalytic Converter, Passenger Side, Before Catalytic Converter, After Catalytic Converter, Before Or 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 : 25025034Connector 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, Driver and Passenger Side Oxygen Sensor, Set of 2 5-wire
DriveWire
Before Catalytic Converter, Driver and Passenger Side Oxygen Sensor, Set of 2 5-wire
Part Number: SET-REPS960915-2
Vehicle Info Required to Guarantee Fit
$79.49
Product Details
Location : Before Catalytic Converter, Driver And Passenger SideNotes : Wideband sensorComponents : (2) Oxygen SensorsType : 5-wireQuantity Sold : Set of 2Product Fit : Direct FitThread 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 Sensors, 4-wire
DriveWire
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, Before Catalytic Converter, Front, After Catalytic Converter, 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 : 30-Day Return Policy
Before Catalytic Converter Oxygen Sensor, 4-Wire, Heated
DriveWire
Before Catalytic Converter Oxygen Sensor, 4-Wire, Heated
Part Number: RF96090002
Vehicle Info Required to Guarantee Fit
$19.73
Product Details
Location : Before Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitThread Size : 18 mm Thread SizeMounting Style : Threaded-in Mounting StyleInterchange Part Number : 25024678Connector 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, Center Oxygen Sensor, 4-Wire, Heated
DriveWire
After Catalytic Converter, Center Oxygen Sensor, 4-Wire, Heated
Part Number: RF96090006
Vehicle Info Required to Guarantee Fit
$23.70
Product Details
Location : Center, After Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 12.6 in. Wire LengthInterchange Part Number : 25024651Warranty : 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 Oxygen Sensor, 4-Wire, Heated
DriveWire
After Catalytic Converter Oxygen Sensor, 4-Wire, Heated
Part Number: RF96090003
Vehicle Info Required to Guarantee Fit
$16.49
Product Details
Location : After Catalytic ConverterNotes : Downstream (After Secondary Converter)Type : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitThread Size : 0.71 in. Thread SizeMounting Style : Threaded-in Mounting StyleInterchange Part Number : 25024656Connector 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
350-35046 Walker Products Aftermarket Base Sensor Oxygen Sensor, Sold individually 5-wire
Walker Products®
350-35046 Walker Products Aftermarket Base Sensor Oxygen Sensor, Sold individually 5-wire
Part Number: WKP35035046
Vehicle Info Required to Guarantee Fit
$98.49
Product Details
Location : Driver Side, Before Catalytic Converter, Before Secondary Catalytic Converter, Before Catalytic Converter, Passenger Side, Before Catalytic Converter, After Catalytic Converter, Passenger Side, Before Secondary Catalytic ConverterNotes : Wideband sensorType : 5-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 21.65 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
250-24302 Walker Products Original Equipment Base Sensor Oxygen Sensor, Sold individually 4-wire
Walker Products®
250-24302 Walker Products Original Equipment Base Sensor Oxygen Sensor, Sold individually 4-wire
Part Number: 25024302
Vehicle Info Required to Guarantee Fit
$32.99
Product Details
Location : Before Primary Catalytic Converter, Before Secondary Catalytic Converter, Before Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 19.69 in. Wire LengthInterchange Part Number : 15718Warranty : 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
350-34210 Walker Products Aftermarket Base Sensor Oxygen Sensor, Sold individually 4-wire
Walker Products®
350-34210 Walker Products Aftermarket Base Sensor Oxygen Sensor, Sold individually 4-wire
Part Number: WKP35034210
Vehicle Info Required to Guarantee Fit
$30.99
Product Details
Location : Before Primary Catalytic Converter, Before Secondary Catalytic Converter, Before Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 19.69 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
17487 OE Replacement Series Oxygen Sensor, Sold individually 5-wire
Bosch®
17487 OE Replacement Series Oxygen Sensor, Sold individually 5-wire
Part Number: BS17487
Vehicle Info Required to Guarantee Fit
$71.49
Product Details
Location : Before Catalytic Converter, Passenger Side, Before Catalytic ConverterNotes : Heated Sensor TypeType : 5-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitMounting Style : Threaded-in Mounting StyleHex Size : 22 mm Hex SizeConnector Gender : Male ConnectorWarranty : 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
250-25034 Walker Products Original Equipment Base Sensor Oxygen Sensor, Sold individually 5-wire
Walker Products®
250-25034 Walker Products Original Equipment Base Sensor Oxygen Sensor, Sold individually 5-wire
Part Number: WKP25025034
Vehicle Info Required to Guarantee Fit
$99.99
Product Details
Location : Driver Or Passenger Side, Before Catalytic Converter, Before Primary Catalytic Converter, Driver Side, Before Catalytic Converter, Before Secondary Catalytic Converter, Before Catalytic Converter, Passenger Side, Before Catalytic Converter, Before Or After Catalytic Converter, After Catalytic ConverterNotes : Wideband sensorType : 5-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 15.75 in. Wire LengthInterchange Part Number : REPS960915Warranty : 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
234-4609 Oxygen Sensor, Sold individually 4-wire
Denso®
234-4609 Oxygen Sensor, Sold individually 4-wire
Part Number: NP2344609
Vehicle Info Required to Guarantee Fit
$33.49
Product Details
Location : After Catalytic Converter, Driver Side, After Catalytic Converter, Passenger Side, After Catalytic Converter, Rear, Before Catalytic Converter, After Catalytic Converter, Before Or After Catalytic Converter, After Catalytic Converter, FrontType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitInterchange Part Number : ES20104Warranty : 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.

Page 1 of 9 | Showing 1 - 15 of 128 results

Top Rated Products

DriveWire Before Catalytic Converter Oxygen Sensors, 4-wire
$33.99( Review)
Good quality! Got perfect in my car.
Beatris V.
VERIFIED PURCHASER
DriveWire Oxygen Sensor, 4-Wire, Heated
$19.99( Review)
Great quality parts love this place
Christopher J. M.
VERIFIED PURCHASER
DriveWire Before Catalytic Converter, Driver and Passenger Side Oxygen Sensor, Set of 2 5-wire
$80.99( Review)
Good parts good price. Good delivery
Karl R.
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?