2009 Mazda 3 Oxygen Sensors

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Before Catalytic Converter Oxygen Sensor, B1S1; Non California-ESV, Sold individually, 5-wire, 4 Cyl 2.0L
DriveWire
Before Catalytic Converter Oxygen Sensor, B1S1; Non California-ESV, Sold individually, 5-wire, 4 Cyl 2.0L
Part Number: REPM960921
Guaranteed to Fit
$49.25
Vehicle Fitment
  • 2009 Mazda 3 GX 4 Cyl 2.0L B1S1; Non California-ESV
  • 2009 Mazda 3 S 4 Cyl 2.3L B1S1; Non California-ESV
  • 2009 Mazda 3 i 4 Cyl 2.0L B1S1; Non California-ESV
  • 2009 Mazda 3 GS 4 Cyl 2.0L B1S1; Non California-ESV
  • 2009 Mazda 3 GT 4 Cyl 2.3L B1S1; Non California-ESV
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 : 30-Day Return Policy
Before Catalytic Converter Oxygen Sensor, 5-Wire, Wideband Sensor, 4 Cyl., 2.3L Engine
DriveWire
Before Catalytic Converter Oxygen Sensor, 5-Wire, Wideband Sensor, 4 Cyl., 2.3L Engine
Part Number: REPM960929
Guaranteed to Fit
$47.63
Vehicle Fitment
  • 2009 Mazda 3 Mazdaspeed 4 Cyl 2.3L B1S1
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 : 25025067Connector 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
After Catalytic Converter Oxygen Sensor, 4-Wire, Heated, 4 Cyl., 2.3L Engine
DriveWire
After Catalytic Converter Oxygen Sensor, 4-Wire, Heated, 4 Cyl., 2.3L Engine
Part Number: REPM960928
Guaranteed to Fit
$27.93
Vehicle Fitment
  • 2009 Mazda 3 Mazdaspeed 4 Cyl 2.3L B1S2
Product Details
Location : 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 : 25024795Connector 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
After Catalytic Converter, Center Oxygen Sensor, B1S2; California-Esv, Sold individually, 4-wire, 4 Cyl 2.3L
DriveWire
After Catalytic Converter, Center Oxygen Sensor, B1S2; California-Esv, Sold individually, 4-wire, 4 Cyl 2.3L
Part Number: RM96090019
Guaranteed to Fit
$25.99
Vehicle Fitment
  • 2009 Mazda 3 GX 4 Cyl 2.0L B1S2; California-Esv
  • 2009 Mazda 3 S 4 Cyl 2.3L B1S2; California-Esv
  • 2009 Mazda 3 i 4 Cyl 2.0L B1S2; California-Esv
  • 2009 Mazda 3 GS 4 Cyl 2.0L B1S2; California-Esv
  • 2009 Mazda 3 GT 4 Cyl 2.3L B1S2; California-Esv
Product Details
Location : After Catalytic Converter, CenterNotes : HeatedType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 32.28 in. Wire LengthInterchange Part Number : 25024676Warranty : 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, B1S1; California-Esv, Sold individually, 4-wire, 4 Cyl 2.0L
JC Whitney®
Before Catalytic Converter Oxygen Sensor, B1S1; California-Esv, Sold individually, 4-wire, 4 Cyl 2.0L
Part Number: JM960920
Guaranteed to Fit
$49.49
Vehicle Fitment
  • 2009 Mazda 3 GX 4 Cyl 2.0L B1S1; California-Esv
  • 2009 Mazda 3 S 4 Cyl 2.3L B1S1; California-Esv
  • 2009 Mazda 3 GS 4 Cyl 2.0L B1S1; California-Esv
  • 2009 Mazda 3 GT 4 Cyl 2.3L B1S1; California-Esv
  • 2009 Mazda 3 i 4 Cyl 2.0L B1S1; California-Esv
Product Details
Location : Before Catalytic ConverterNotes : Air-Fuel sensor; For California-ESV(California Emission) ONLYType : 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 : 25054029Connector Gender : Female 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 and After Catalytic Converter Oxygen Sensor, B1S1; California-Esv, Set of 2, 4-wire, 2.3L 4Cyl
JC Whitney®
Before and After Catalytic Converter Oxygen Sensor, B1S1; California-Esv, Set of 2, 4-wire, 2.3L 4Cyl
Part Number: SET-REPM960920-A
Guaranteed to Fit
$74.49
Vehicle Fitment
  • 2009 Mazda 3 GX 4 Cyl 2.0L B1S1; California-Esv
  • 2009 Mazda 3 S 4 Cyl 2.3L B1S1; California-Esv
  • 2009 Mazda 3 GS 4 Cyl 2.0L B1S1; California-Esv
  • 2009 Mazda 3 GT 4 Cyl 2.3L B1S1; California-Esv
  • 2009 Mazda 3 i 4 Cyl 2.0L B1S1; California-Esv
Product Details
Location : Before And After Catalytic ConverterComponents : (2) Oxygen SensorType : 4-wireQuantity Sold : Set of 2Product Fit : Direct FitInterchange Part Number : 25024676, 25054029Warranty : 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, B1S1; Non California-ESV, Sold individually, 5-wire, 4 Cyl 2.3L
JC Whitney®
Before Catalytic Converter Oxygen Sensor, B1S1; Non California-ESV, Sold individually, 5-wire, 4 Cyl 2.3L
Part Number: JM960921
Guaranteed to Fit
$63.99
Vehicle Fitment
  • 2009 Mazda 3 GX 4 Cyl 2.0L B1S1; Non California-ESV
  • 2009 Mazda 3 S 4 Cyl 2.3L B1S1; Non California-ESV
  • 2009 Mazda 3 i 4 Cyl 2.0L B1S1; Non California-ESV
  • 2009 Mazda 3 GS 4 Cyl 2.0L B1S1; Non California-ESV
  • 2009 Mazda 3 GT 4 Cyl 2.3L B1S1; Non California-ESV
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 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
After Catalytic Converter, Center Oxygen Sensor, B1S2; California-Esv, Sold individually, 4-wire, 4 Cyl 2.0L
JC Whitney®
After Catalytic Converter, Center Oxygen Sensor, B1S2; California-Esv, Sold individually, 4-wire, 4 Cyl 2.0L
Part Number: JRM96090019
Guaranteed to Fit
$29.99
Vehicle Fitment
  • 2009 Mazda 3 GX 4 Cyl 2.0L B1S2; California-Esv
  • 2009 Mazda 3 S 4 Cyl 2.3L B1S2; California-Esv
  • 2009 Mazda 3 i 4 Cyl 2.0L B1S2; California-Esv
  • 2009 Mazda 3 GS 4 Cyl 2.0L B1S2; California-Esv
  • 2009 Mazda 3 GT 4 Cyl 2.3L B1S2; California-Esv
Product Details
Location : After Catalytic Converter, CenterNotes : HeatedType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 32.28 in. Wire LengthInterchange Part Number : 25024676Warranty : 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, 5-Wire, Wideband Sensor
JC Whitney®
Before Catalytic Converter Oxygen Sensor, 5-Wire, Wideband Sensor
Part Number: JM960929
Guaranteed to Fit
$49.49
Vehicle Fitment
  • 2009 Mazda 3 Mazdaspeed 4 Cyl 2.3L B1S1
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 : 25025067Connector Gender : Female 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, B1S1; California-Esv, Sold individually, 4-wire, 4 Cyl 2.3L
DriveWire
Before Catalytic Converter Oxygen Sensor, B1S1; California-Esv, Sold individually, 4-wire, 4 Cyl 2.3L
Part Number: REPM960920
Guaranteed to Fit
$45.99
Vehicle Fitment
  • 2009 Mazda 3 GX 4 Cyl 2.0L B1S1; California-Esv
  • 2009 Mazda 3 S 4 Cyl 2.3L B1S1; California-Esv
  • 2009 Mazda 3 GS 4 Cyl 2.0L B1S1; California-Esv
  • 2009 Mazda 3 GT 4 Cyl 2.3L B1S1; California-Esv
  • 2009 Mazda 3 i 4 Cyl 2.0L B1S1; California-Esv
Product Details
Location : Before Catalytic ConverterNotes : Air-Fuel sensor; For California-ESV(California Emission) ONLYType : 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 : 25054029Connector 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
Oxygen Sensor, Sold Individually, 4-wire, OE Replacement Series
Bosch®
Oxygen Sensor, Sold Individually, 4-wire, OE Replacement Series
Part Number: BS15730
Guaranteed to Fit
$48.99
Vehicle Fitment
  • 2009 Mazda 3 GS 4 Cyl 2.0L Sedan, Without California Emissions
  • 2009 Mazda 3 S 4 Cyl 2.3L Naturally Aspirated, Without California Emissions
  • 2009 Mazda 3 i 4 Cyl 2.0L Sedan, Without California Emissions
  • 2009 Mazda 3 GX 4 Cyl 2.0L Sedan, Without California Emissions
  • 2009 Mazda 3 GT 4 Cyl 2.3L Naturally Aspirated, Without California Emissions
Product Details
Location : After 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
Oxygen Sensor, Sold Individually, 3-wire, OE Replacement Series
Bosch®
Oxygen Sensor, Sold Individually, 3-wire, OE Replacement Series
Part Number: BS15740
Guaranteed to Fit
$51.99
Vehicle Fitment
  • 2009 Mazda 3 GS 4 Cyl 2.0L Sedan, With California Emissions
  • 2009 Mazda 3 S 4 Cyl 2.3L Naturally Aspirated, With California Emissions
  • 2009 Mazda 3 i 4 Cyl 2.0L Sedan, With California Emissions
  • 2009 Mazda 3 GX 4 Cyl 2.0L Sedan, With California Emissions
  • 2009 Mazda 3 GT 4 Cyl 2.3L Naturally Aspirated, With California Emissions
Product Details
Location : After Catalytic ConverterNotes : Heated Sensor TypeType : 3-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 18.1 in. Wire LengthThread Size : 18 mm Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 22 mm Hex SizeConnector Gender : Female 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
Downstream Oxygen Sensor, OE Sensor Technology; Without California Emissions, Sold individually, 4-wire, 4 Cyl 2.3L, OE Replacement Series
Bosch®
Downstream Oxygen Sensor, OE Sensor Technology; Without California Emissions, Sold individually, 4-wire, 4 Cyl 2.3L, OE Replacement Series
Part Number: BS15253
Guaranteed to Fit
$124.49
Vehicle Fitment
  • 2009 Mazda 3 GX 4 Cyl 2.0L OE Sensor Technology; Without California Emissions
  • 2009 Mazda 3 S 4 Cyl 2.3L OE Sensor Technology; Without California Emissions
  • 2009 Mazda 3 i 4 Cyl 2.0L OE Sensor Technology; Without California Emissions
  • 2009 Mazda 3 GS 4 Cyl 2.0L OE Sensor Technology; Without California Emissions
  • 2009 Mazda 3 GT 4 Cyl 2.3L OE Sensor Technology; Without California Emissions
Product Details
Location : DownstreamType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 31.5 in. Wire LengthInterchange Part Number : 15730, SG300Warranty : 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
Upstream Oxygen Sensor, OE Sensor Technology; Without California Emissions, Sold individually, 5-wire, 4 Cyl 2.3L, OE Replacement Series
Bosch®
Upstream Oxygen Sensor, OE Sensor Technology; Without California Emissions, Sold individually, 5-wire, 4 Cyl 2.3L, OE Replacement Series
Part Number: BS15788
Guaranteed to Fit
$151.99
Vehicle Fitment
  • 2009 Mazda 3 GX 4 Cyl 2.0L OE Sensor Technology; Without California Emissions
  • 2009 Mazda 3 S 4 Cyl 2.3L OE Sensor Technology; Without California Emissions
  • 2009 Mazda 3 i 4 Cyl 2.0L OE Sensor Technology; Without California Emissions
  • 2009 Mazda 3 GS 4 Cyl 2.0L OE Sensor Technology; Without California Emissions
  • 2009 Mazda 3 GT 4 Cyl 2.3L OE Sensor Technology; Without California Emissions
Product Details
Location : UpstreamType : 5-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 20.7 in. Wire LengthWarranty : 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, Canada & Exc. Calif., Sold individually, 5-wire, 4 Cyl 2.0L
Denso®
Before Catalytic Converter Oxygen Sensor, Canada & Exc. Calif., Sold individually, 5-wire, 4 Cyl 2.0L
Part Number: NP2345040
Guaranteed to Fit
$147.99
Vehicle Fitment
  • 2009 Mazda 3 GX 4 Cyl 2.0L Canada & Exc. Calif.
  • 2009 Mazda 3 S 4 Cyl 2.3L Naturally Aspirated, Canada & Exc. Calif.
  • 2009 Mazda 3 i 4 Cyl 2.0L Canada & Exc. Calif.
  • 2009 Mazda 3 GS 4 Cyl 2.0L Canada & Exc. Calif.
  • 2009 Mazda 3 GT 4 Cyl 2.3L Naturally Aspirated, Canada & Exc. Calif.
Product Details
Location : Before Catalytic ConverterType : 5-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 19.49 in. Wire LengthThread Size : M18 Thread SizeConnector 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.

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Helpful Automotive Resources

P2187 Code: System too Lean at Idle (Bank 1)
P2187 Code: System too Lean at Idle (Bank 1)Note that there is only one bank if your car has a straight engine and the scan tool will always refer to that bank as “Bank 1.” P2187 code indicates that your vehicle’s computer detected a potential issue with the fuel mixture at idle.
P2270 Code: O2 Sensor Signal Biased / Stuck Lean (Bank 1, Sensor 2)
P2270 Code: O2 Sensor Signal Biased / Stuck Lean (Bank 1, Sensor 2)Bank 1 is where the #1 spark plug is. O2 sensor 1/1 is the upstream sensor on Bank 1 (different for a Ford than for a Chevy or a Dodge), and O2 sensor 1/2 is the downstream sensor on Bank 1. O2 2/1 is upstream on Bank 2 and O2
P0141 Code: Oxygen Sensor Heater Circuit Malfunction (Bank 1, Sensor 2)
P0141 Code: Oxygen Sensor Heater Circuit Malfunction (Bank 1, Sensor 2)With that in mind, it’s important to note that Bank 1 is always where the number 1 cylinder is located. Thus, on Ford pickups, Bank 1 is the passenger side bank, but on Chevy and Dodge pickups, Bank 1 is the driver side bank. You need to know this, or
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)
P0135 Code: Heated O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 1)Diagnostic trouble code (DTC) P0135 stands for “Oxygen O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 1).” It is set when the car’s primary computer—also called the powertrain control module or PCM—determines that the heated oxygen sensor (HO2S) 1 heater current is higher or lower than the ideal amp for
P0134: O2 Sensor Circuit No Activity Detected (Bank 1, Sensor 1)
P0134: O2 Sensor Circuit No Activity Detected (Bank 1, Sensor 1)The Bank 1 portion of the code refers to the side of the engine with the number one cylinder. Sensor 1 refers to the upstream O2 sensor.