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Infiniti QX56 Oxygen Sensors

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Oxygen Sensor, Sold Individually, 4-Wire, 2.5/3.5/3.8/5.6L Engines, 12.91 in. Overall Length, Heated Sensor Type, 20 Wire Gauge Measurement
Part Number: REPN960911
Vehicle Info Required to Guarantee Fit
$30.49
Product Details
Location : After Primary Catalytic Converter, Center, Passenger Side, After Catalytic Converter, After Catalytic Converter, Center, After Primary Catalytic Converter, After Catalytic Converter, Driver Side, After Catalytic ConverterNotes : 12.91 in. Overall Length; Heated Sensor Type; 20 Wire Gauge MeasurementType : 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 : 25024771Connector 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
Part Number: SET-REPN960911-2
Vehicle Info Required to Guarantee Fit
$57.99
Product Details
Location : Center, After Catalytic Converter, Front, After Catalytic Converter, Driver And Passenger SideComponents : (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 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
Oxygen Sensor, 4-Wire, Heated, Air Fuel Ratio Sensor
Part Number: REPN960909
Vehicle Info Required to Guarantee Fit
$38.49
Product Details
Location : Before Primary Catalytic Converter, Before Secondary Catalytic Converter, Before Catalytic ConverterNotes : Air/Fuel sensorType : 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 : 25054037Connector 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, Set of 4, 4-Wire
Part Number: SET-REPN960909
Vehicle Info Required to Guarantee Fit
$114.99
Product Details
Location : Before And After Catalytic ConverterComponents : (4) Oxygen SensorType : 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 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, Driver and Passenger Side Oxygen Sensors, Set of 2, 4-Wire, Air/Fuel Sensor
Part Number: SET-REPN960909-2
Vehicle Info Required to Guarantee Fit
$72.99
Product Details
Location : Before Catalytic Converter, Driver And Passenger SideNotes : Air/Fuel sensorComponents : (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 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
Oxygen Sensor, 4-Wire, Heated
Part Number: REPN960916
Vehicle Info Required to Guarantee Fit
$21.99
Product Details
Location : After Catalytic Converter, Before Or After Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 18.5 in. Wire LengthThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeInterchange Part Number : 25024453Connector 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, Heated
Part Number: SET-REPN960916-2
Vehicle Info Required to Guarantee Fit
$42.99
Product Details
Location : Before Or After Catalytic Converter, Driver And Passenger Side, After Catalytic Converter, Driver And Passenger SideNotes : HeatedComponents : (2) Oxygen SensorsType : 4-wireQuantity Sold : Set of 2Product Fit : Direct FitWire Length : 18.5 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
24320 Before Catalytic Converter Oxygen Sensor, Sold individually, 5-wire
Part Number: NG24320
Vehicle Info Required to Guarantee Fit
$106.99
Product Details
Location : Before Catalytic ConverterNotes : 0.38 in. Thread Length; Heated Sensor TypeType : 5-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 23.5 in. Wire LengthThread Size : 18 mm Thread SizeMounting Style : Non-flanged Mounting StyleWarranty : NGK 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.

250-54109 Oxygen Sensor, Sold individually, 4-wire, Walker Products Original Equipment Base Sensor
Part Number: WKP25054109
Vehicle Info Required to Guarantee Fit
$96.99
Product Details
Location : Before Secondary Catalytic Converter, Before Catalytic ConverterNotes : Air/Fuel sensorType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 15.75 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 Original Equipment Base Sensor
350-35084 Before Catalytic Converter Oxygen Sensor, Sold individually, 5-wire, 8, 5.6, Walker Products Aftermarket Base Sensor
Part Number: WKP35035084
Vehicle Info Required to Guarantee Fit
$141.46
Product Details
Location : Before Catalytic ConverterNotes : Wideband sensorType : 5-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 18.7 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
250-24453 Oxygen Sensor, Sold individually, 4-wire, Walker Products Original Equipment Base Sensor
Part Number: 25024453
Vehicle Info Required to Guarantee Fit
$67.99
Product Details
Location : After Catalytic Converter, Before Or After Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 18.5 in. Wire LengthInterchange Part Number : REPN960916Warranty : 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
350-64087 Oxygen Sensor, Sold individually, 4-wire, Walker Products Aftermarket Base Sensor
Part Number: WKP35064087
Vehicle Info Required to Guarantee Fit
$103.89
Product Details
Location : Before Secondary Catalytic Converter, Before Catalytic ConverterNotes : Air/Fuel sensorType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 15.75 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
350-35009 Before Catalytic Converter Oxygen Sensor, Sold individually, 5-wire, Walker Products Aftermarket Base Sensor
Part Number: WKP35035009
Vehicle Info Required to Guarantee Fit
$81.99
Product Details
Location : Before Catalytic ConverterNotes : Wideband sensorType : 5-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 23.62 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
234-5060 Before Catalytic Converter Oxygen Sensor, Sold individually, 5-wire
Part Number: NP2345060
Vehicle Info Required to Guarantee Fit
$97.49
Product Details
Location : Before Catalytic ConverterNotes : Heated Sensor TypeType : 5-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 14.5 in. Wire LengthThread Size : 18 mm Thread SizeInterchange Part Number : 2344210Connector Gender : Male ConnectorWarranty : 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.

250-25105 Before Catalytic Converter Oxygen Sensor, Sold individually, 5-wire, 8, 5.6, Walker Products Original Equipment Base Sensor
Part Number: WKP25025105
Vehicle Info Required to Guarantee Fit
$138.99
Product Details
Location : Before Catalytic ConverterNotes : Wideband sensorType : 5-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 29.50 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 Original Equipment Base Sensor
Page 1 of 5 | Showing 1 - 15 of 62 results

Top Rated Products

All that I can ask for.fast shipping.part worked great.trouble solved.great price
Joseph M.
VERIFIED PURCHASER
All that I can ask for.fast shipping, part worked.no trouble.O2 sensor fixed.great prSee More
Joseph M.
VERIFIED PURCHASER

Product Questions & Answers

Q:Is this upstream  02 censor?
Derek S.
A:BEST ANSWERHi Derek, I'm glad to assist you. Yes, it is. Click on the link below for direct ordering to take advantage of our ongoing sale and limited stocks. I hope this helps and happy shopping. https://www.carparts.com/oxygen-sensor/walker-products/wkp25025105?can=CPAE1047_20220509 Show less
Arnel E.
 
1 Question, 1 AnswerView all Q&As >
Q:Are upstream O2 sensors universal between bank 1 and bank 2, or is there a designated driver & passenger side sensor?  (My vehicle is an 05 Nissan Xterra)  Thanks! Show Less
Angela B.
A:BEST ANSWERHi Angie, I'm glad to assist you. They are interchangeable. I hope this helps, and if you're interested in this oxygen sensor, you can click on the link below for direct ordering to take advantage of our ongoing sale and limited stocks. Happy shopping. https://www.carparts.com/oxygen-sensor/walker-products/wkp35035009?can=CPAE1047 Show less
Arnel E.
 
2 Questions, 1 AnswerView all Q&As >

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?