Mazda CX-7 Oxygen Sensors

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After Catalytic Converter Oxygen Sensor, 4-Wire, 4 Cyl., 2.3L Engine
DriveWire
After Catalytic Converter Oxygen Sensor, 4-Wire, 4 Cyl., 2.3L Engine
Part Number: REPM960927
Vehicle Info Required to Guarantee Fit
$26.70
Product Details
Location : After Catalytic ConverterType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitInterchange Part Number : 25024782Warranty : 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
250-24871 After Catalytic Converter Oxygen Sensor, Sold individually, 4-wire, 4, 2.5, Walker Products Original Equipment Base Sensor
Walker Products®
250-24871 After Catalytic Converter Oxygen Sensor, Sold individually, 4-wire, 4, 2.5, Walker Products Original Equipment Base Sensor
Part Number: WKP25024871
Vehicle Info Required to Guarantee Fit
$66.99
Product Details
Location : After Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 28.54 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
350-34391 After Catalytic Converter Oxygen Sensor, Sold individually, 4-wire, 4, 2.5, Walker Products Aftermarket Base Sensor
Walker Products®
350-34391 After Catalytic Converter Oxygen Sensor, Sold individually, 4-wire, 4, 2.5, Walker Products Aftermarket Base Sensor
Part Number: WKP35034391
Vehicle Info Required to Guarantee Fit
$72.99
Product Details
Location : After Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 28.54 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
250-25068 Before Catalytic Converter Oxygen Sensor, Sold individually, 5-wire, 4, 2.5, Walker Products Original Equipment Base Sensor
Walker Products®
250-25068 Before Catalytic Converter Oxygen Sensor, Sold individually, 5-wire, 4, 2.5, Walker Products Original Equipment Base Sensor
Part Number: WKP25025068
Vehicle Info Required to Guarantee Fit
$151.71
Product Details
Location : Before Catalytic ConverterNotes : Wideband sensorType : 5-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 Original Equipment Base Sensor
250-25066 Before Catalytic Converter Oxygen Sensor, Sold individually, 5-wire, 4, 2.3, Walker Products Original Equipment Base Sensor
Walker Products®
250-25066 Before Catalytic Converter Oxygen Sensor, Sold individually, 5-wire, 4, 2.3, Walker Products Original Equipment Base Sensor
Part Number: WKP25025066
Vehicle Info Required to Guarantee Fit
$102.32
Product Details
Location : Before Catalytic ConverterNotes : Wideband sensorType : 5-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 31.5 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
234-5012 Before Catalytic Converter Oxygen Sensor, Sold individually, 4-wire, 4, 2.3
Denso®
234-5012 Before Catalytic Converter Oxygen Sensor, Sold individually, 4-wire, 4, 2.3
Part Number: NP2345012
Vehicle Info Required to Guarantee Fit
$130.49
Product Details
Location : Before Catalytic ConverterType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 31.5 in. Wire LengthWarranty : 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.

15782 Upstream Oxygen Sensor, Sold individually, 5-wire, 4, 2.3, OE Replacement Series
Bosch®
15782 Upstream Oxygen Sensor, Sold individually, 5-wire, 4, 2.3, OE Replacement Series
Part Number: BS15782
Vehicle Info Required to Guarantee Fit
$190.49
Product Details
Location : UpstreamType : 5-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 31.5 in. Wire LengthConnector 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 EuroSeries : OE Replacement Series
234-4466 After Catalytic Converter Oxygen Sensor, Sold individually, 4-wire, 4, 2.5
Denso®
234-4466 After Catalytic Converter Oxygen Sensor, Sold individually, 4-wire, 4, 2.5
Part Number: NP2344466
Vehicle Info Required to Guarantee Fit
$106.99
Product Details
Location : After Catalytic ConverterType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 28.35 in. Wire LengthThread Size : M18 Thread SizeInterchange Part Number : 15730, SG300Connector 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.

350-35045 Before Catalytic Converter Oxygen Sensor, Sold individually, 5-wire, 4, 2.3, Walker Products Aftermarket Base Sensor
Walker Products®
350-35045 Before Catalytic Converter Oxygen Sensor, Sold individually, 5-wire, 4, 2.3, Walker Products Aftermarket Base Sensor
Part Number: WKP35035045
Vehicle Info Required to Guarantee Fit
$114.99
Product Details
Location : Before Catalytic ConverterNotes : Wideband sensorType : 5-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 31.5 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
350-34472 After Catalytic Converter Oxygen Sensor, Sold individually, 4-wire, 4, 2.3, Walker Products Aftermarket Base Sensor
Walker Products®
350-34472 After Catalytic Converter Oxygen Sensor, Sold individually, 4-wire, 4, 2.3, Walker Products Aftermarket Base Sensor
Part Number: WKP35034472
Vehicle Info Required to Guarantee Fit
$55.49
Product Details
Location : After Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 25.59 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
24441 After Catalytic Converter Oxygen Sensor, Sold individually, 4-wire, 4, 2.3
NTK®
24441 After Catalytic Converter Oxygen Sensor, Sold individually, 4-wire, 4, 2.3
Part Number: NG24441
Vehicle Info Required to Guarantee Fit
$63.99
Product Details
Location : After Catalytic ConverterNotes : Heated Sensor TypeType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 25.25 in. Wire LengthThread Size : 18 mm Thread SizeMounting Style : Threaded-in 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.

234-4044 Oxygen Sensor, Sold individually, 4-wire
Denso®
234-4044 Oxygen Sensor, Sold individually, 4-wire
Part Number: NP2344044
Vehicle Info Required to Guarantee Fit
$65.99
Product Details
Location : After Catalytic Converter, After Catalytic Converter, FrontType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitInterchange Part Number : 2344210, 15314Warranty : 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.

250-24782 After Catalytic Converter Oxygen Sensor, Sold individually, 4-wire, 4, 2.3, Walker Products Original Equipment Base Sensor
Walker Products®
250-24782 After Catalytic Converter Oxygen Sensor, Sold individually, 4-wire, 4, 2.3, Walker Products Original Equipment Base Sensor
Part Number: WKP25024782
Vehicle Info Required to Guarantee Fit
$66.49
Product Details
Location : After Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 25.59 in. Wire LengthInterchange Part Number : REPM960927Warranty : 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
18117 After Catalytic Converter Oxygen Sensor, Sold individually, 4-wire, 4, 2.3, OE Replacement Series
Bosch®
18117 After Catalytic Converter Oxygen Sensor, Sold individually, 4-wire, 4, 2.3, OE Replacement Series
Part Number: BS18117
Vehicle Info Required to Guarantee Fit
$101.49
Product Details
Location : After Catalytic ConverterNotes : Heated Sensor TypeType : 4-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 25.39 in. Wire LengthMounting 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 EuroSeries : OE Replacement Series
234-5043 Before Catalytic Converter Oxygen Sensor, Sold individually, 5-wire, 4, 2.5
Denso®
234-5043 Before Catalytic Converter Oxygen Sensor, Sold individually, 5-wire, 4, 2.5
Part Number: NP2345043
Vehicle Info Required to Guarantee Fit
$157.49
Product Details
Location : Before Catalytic ConverterType : 5-wireQuantity Sold : Sold IndividuallyProduct Fit : Direct FitWire Length : 19.61 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

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?