2003 Nissan Altima Oxygen Sensors

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Before Catalytic Converter Oxygen Sensor, Sold individually, 3-wire, 6 Cyl 3.5L
Part Number: REPN960908
Guaranteed to Fit
$30.52
Vehicle Fitment
  • 2003 Nissan Altima S 6 Cyl 3.5L
  • 2003 Nissan Altima SL 6 Cyl 3.5L
  • 2003 Nissan Altima Base 6 Cyl 3.5L
  • 2003 Nissan Altima SE 6 Cyl 3.5L
Product Details
Location : Before Catalytic ConverterType : 3-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 20.79 in. Wire LengthThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeInterchange Part Number : 25023131Connector 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, Front and Rear Oxygen Sensor, Engine Designation: VQ35DE, FI, Naturally Aspirated, GAS, Set of 2, 3-wire, 6 Cyl 3.5L
Part Number: SET-REPN960908-2
Guaranteed to Fit
$57.99
Vehicle Fitment
  • 2003 Nissan Altima S 6 Cyl 3.5L Engine Designation: VQ35DE, FI, Naturally Aspirated, GAS
  • 2003 Nissan Altima SL 6 Cyl 3.5L Engine Designation: VQ35DE, FI, Naturally Aspirated, GAS
  • 2003 Nissan Altima Base 6 Cyl 3.5L Engine Designation: VQ35DE, FI, Naturally Aspirated, GAS
  • 2003 Nissan Altima SE 6 Cyl 3.5L Engine Designation: VQ35DE, FI, Naturally Aspirated, GAS
Product Details
Location : Before Catalytic Converter, Front and RearComponents : (2) Oxygen SensorsType : 3-wireQuantity Sold : Set of 2Product Fit : Direct FitWire Length : 20.79 in. Wire LengthThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeInterchange Part Number : 25023131Connector 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 Secondary Catalytic Converter Oxygen Sensor, Sold individually, 4-wire, 6 Cyl 3.5L
Part Number: ARBN960915
Guaranteed to Fit
$16.99
Vehicle Fitment
  • 2003 Nissan Altima S 6 Cyl 3.5L
  • 2003 Nissan Altima SL 6 Cyl 3.5L
  • 2003 Nissan Altima Base 6 Cyl 3.5L
  • 2003 Nissan Altima SE 6 Cyl 3.5L
Product Details
Location : After Secondary Catalytic ConverterType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 11.93 in. Wire LengthThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeInterchange Part Number : 25024437Connector 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.

Deals : OverstockReturns Policy : 30-Day Return Policy
After Catalytic Converter, Rear Oxygen Sensor, Set of 2, 4-wire, 4 Cyl 2.5L
Part Number: SET-ARBN960915-2
Guaranteed to Fit
$32.49
Vehicle Fitment
  • 2003 Nissan Altima SL 4 Cyl 2.5L
  • 2003 Nissan Altima Base 4 Cyl 2.5L
  • 2003 Nissan Altima S 4 Cyl 2.5L
Product Details
Location : After Catalytic Converter, RearComponents : (2) Oxygen SensorsType : 4-wireQuantity Sold : Set of 2Product Fit : Direct FitWire Length : 11.93 in. Wire LengthThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeInterchange Part Number : 25024437Connector 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.

Deals : OverstockReturns Policy : 30-Day Return Policy
Before Catalytic Converter Oxygen Sensor, Sold individually, 3-wire, 6 Cyl 3.5L
Part Number: JN960908
Guaranteed to Fit
$30.49
Vehicle Fitment
  • 2003 Nissan Altima S 6 Cyl 3.5L
  • 2003 Nissan Altima SL 6 Cyl 3.5L
  • 2003 Nissan Altima Base 6 Cyl 3.5L
  • 2003 Nissan Altima SE 6 Cyl 3.5L
Product Details
Location : Before Catalytic ConverterType : 3-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 20.79 in. Wire LengthThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeInterchange Part Number : 25023131Connector Gender : Male ConnectorWarranty : 1-year JC Whitney 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, Enginedesignationname: VQ35DE, FI, Naturally Aspirated, GAS, Set of 2, 3-wire, 6 Cyl 3.5L
Part Number: SET-JN960908-2
Guaranteed to Fit
$58.99
Vehicle Fitment
  • 2003 Nissan Altima S 6 Cyl 3.5L Enginedesignationname: VQ35DE, FI, Naturally Aspirated, GAS
  • 2003 Nissan Altima SL 6 Cyl 3.5L Enginedesignationname: VQ35DE, FI, Naturally Aspirated, GAS
  • 2003 Nissan Altima Base 6 Cyl 3.5L Enginedesignationname: VQ35DE, FI, Naturally Aspirated, GAS
  • 2003 Nissan Altima SE 6 Cyl 3.5L Enginedesignationname: VQ35DE, FI, Naturally Aspirated, GAS
Product Details
Location : Before Catalytic ConverterComponents : (2) Oxygen SensorType : 3-wireQuantity Sold : Set of 2Product Fit : Direct FitWire Length : 20.79 in. Wire LengthThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeInterchange Part Number : 25023131Connector Gender : Male ConnectorWarranty : 1-year JC Whitney 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
2-Piece Kit After Secondary Catalytic Converter Catalytic Converter, 2.5L 4Cyl, Federal EPA Standard, 46-State Legal (Cannot ship to CA, CO, NY or ME), Undercar, Naturally Aspirated,  Includes (1) Catalytic Converter and (1) Oxygen Sensor
Part Number: KIT-070324-R029
Guaranteed to Fit
$249.99
Vehicle Fitment
  • 2003 Nissan Altima Base 4 Cyl 2.5L Undercar
  • 2003 Nissan Altima SL 4 Cyl 2.5L Undercar
  • 2003 Nissan Altima S 4 Cyl 2.5L Undercar
Product Details
Location : After Secondary Catalytic ConverterEmissions : Federal EPA Standard, 46-State Legal (Cannot ship to CA, CO, NY or ME)Components : (1) Catalytic Converter and (1) Oxygen SensorRestricted States : California|Colorado|New York|MaineType : Catalytic ConverterProduct Fit : Direct FitRecommended Use : OE ReplacementQuantity Sold : 2-Piece KitEPA : N/TB6000/63005NNGasket Included : With GasketOxygen Sensor Ports : Factory OE PortsOxygen Sensor Port Location : Factory OE LocationsWarranty : 1-year JC Whitney unlimited-mileage warrantyReturns Policy : 30-Day Return PolicyProp 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.

Interchange Part Number : 18120, 40514, 54360, 4295, ARBN960913Tube Material : Aluminized Steel
Before Catalytic Converter Oxygen Sensor, Sold individually, 4-wire, 4 Cyl 2.5L, OE Replacement Series - Before Catalytic Converter
Part Number: BS15730
Guaranteed to Fit
$46.99
Vehicle Fitment
  • 2003 Nissan Altima SL 4 Cyl 2.5L
  • 2003 Nissan Altima Base 4 Cyl 2.5L
  • 2003 Nissan Altima S 4 Cyl 2.5L
Product Details
Location : Before Catalytic ConverterNotes : Heated Sensor TypeType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 25.6 in. Wire LengthThread Size : 18 mm Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 22 mm Hex SizeInterchange Part Number : USOS4000Connector 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 : CarParts EuroEcomm Landing Page : EuroSeries : OE Replacement Series
After Catalytic Converter Oxygen Sensor, Sold Individually, 4-wire, 2.5L 4Cyl, OE Replacement Series
Part Number: BS15518
Guaranteed to Fit
$43.99
Vehicle Fitment
  • 2003 Nissan Altima SL 4 Cyl 2.5L
  • 2003 Nissan Altima Base 4 Cyl 2.5L
  • 2003 Nissan Altima S 4 Cyl 2.5L
Product Details
Location : After Catalytic ConverterType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 19.3 in. Wire LengthInterchange Part Number : 2344210Warranty : 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 : CarParts EuroEcomm Landing Page : EuroSeries : OE Replacement Series
Before Catalytic Converter Oxygen Sensor, B1S1, Sold individually, 4-wire, 4 Cyl 2.5L, Walker Products Original Equipment Base Sensor - Before Catalytic Converter
Part Number: 25024452
Guaranteed to Fit
$48.99
Vehicle Fitment
  • 2003 Nissan Altima Base 4 Cyl 2.5L B1S1
  • 2003 Nissan Altima SL 4 Cyl 2.5L B1S1
  • 2003 Nissan Altima S 4 Cyl 2.5L B1S1
Product Details
Location : Before Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 14.57 in. Wire LengthInterchange Part Number : 2344210Warranty : 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
After Catalytic Converter Oxygen Sensor, Eng. Designation: QR25DE, FI, Naturally Aspirated, GAS, Sold individually, 4-wire, 4 Cyl 2.5L, Walker Products Aftermarket Base Sensor - After Catalytic Converter
Part Number: WKP35034384
Guaranteed to Fit
$39.49
Vehicle Fitment
  • 2003 Nissan Altima SL 4 Cyl 2.5L Eng. Designation: QR25DE, FI, Naturally Aspirated, GAS
  • 2003 Nissan Altima Base 4 Cyl 2.5L Eng. Designation: QR25DE, FI, Naturally Aspirated, GAS
  • 2003 Nissan Altima S 4 Cyl 2.5L Eng. Designation: QR25DE, FI, Naturally Aspirated, GAS
Product Details
Location : After Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 18.9 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
Before Catalytic Converter Oxygen Sensor, Sold individually, 4-wire, 4 Cyl 2.5L, OE Replacement Series - Before Catalytic Converter
Part Number: BS15525
Guaranteed to Fit
$50.99
Vehicle Fitment
  • 2003 Nissan Altima SL 4 Cyl 2.5L
  • 2003 Nissan Altima Base 4 Cyl 2.5L
  • 2003 Nissan Altima S 4 Cyl 2.5L
Product Details
Location : Before Catalytic ConverterNotes : Heated Sensor TypeType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 12.4 in. Wire LengthThread Size : 18 mm Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 22 mm Hex SizeInterchange Part Number : 2344210Connector 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 : CarParts EuroEcomm Landing Page : EuroSeries : OE Replacement Series
After Catalytic Converter Oxygen Sensor, O.E. Quality Universal Replacement Sensor, Sold individually, 4-wire, 4 Cyl 2.5L - After Catalytic Converter
Part Number: NP2344210
Guaranteed to Fit
$49.99
Vehicle Fitment
  • 2003 Nissan Altima SL 4 Cyl 2.5L O.E. Quality Universal Replacement Sensor
  • 2003 Nissan Altima Base 4 Cyl 2.5L O.E. Quality Universal Replacement Sensor
  • 2003 Nissan Altima S 4 Cyl 2.5L O.E. Quality Universal Replacement Sensor
Product Details
Location : After Catalytic ConverterType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitReplaces OE Number : 5L8Z9F472BA, 5L8Z9G444F, 5L8Z9G444K, 5M6Z9G444A, 5W6Z9G444BA, 8F9Z9F472B, 9E5Z9F472E, ZZC418861, ZZD118860, ZZD118861, ZZDA18861, ZZDM18861Warranty : 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.

After Catalytic Converter Oxygen Sensor, B1S2, Sold individually, 4-wire, 4 Cyl 2.5L, Walker Products Original Equipment Base Sensor - After Catalytic Converter
Part Number: 25024403
Guaranteed to Fit
$45.49
Vehicle Fitment
  • 2003 Nissan Altima SL 4 Cyl 2.5L B1S2
  • 2003 Nissan Altima Base 4 Cyl 2.5L B1S2
  • 2003 Nissan Altima S 4 Cyl 2.5L B1S2
Product Details
Location : After Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 18.9 in. Wire LengthInterchange Part Number : ARBN960913Warranty : 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
Before Catalytic Converter Oxygen Sensor, Eng. Designation: QR25DE, FI, Naturally Aspirated, GAS, Sold individually, 4-wire, 4 Cyl 2.5L, Walker Products Aftermarket Base Sensor - Before Catalytic Converter
Part Number: WKP35034646
Guaranteed to Fit
$42.99
Vehicle Fitment
  • 2003 Nissan Altima Base 4 Cyl 2.5L Eng. Designation: QR25DE, FI, Naturally Aspirated, GAS
  • 2003 Nissan Altima SL 4 Cyl 2.5L Eng. Designation: QR25DE, FI, Naturally Aspirated, GAS
  • 2003 Nissan Altima S 4 Cyl 2.5L Eng. Designation: QR25DE, FI, Naturally Aspirated, GAS
Product Details
Location : Before Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 14.57 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
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P2270 Code: O2 Sensor Signal Biased / Stuck Lean (Bank 1, Sensor 2)
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P0141 Code: Oxygen Sensor Heater Circuit Malfunction (Bank 1, Sensor 2)
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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)
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