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2005 Mazda RX-8

2005 Mazda RX-8 Oxygen Sensors

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Before Catalytic Converter Oxygen Sensor, 4-Wire, Heated, Air Fuel Ratio Sensor, 2 Cyl., 1.3L Engine
Part Number: REPM960919
Guaranteed to Fit
$50.99
Vehicle Fitment
  • 2005 Mazda RX-8 Base 2 Cyl 1.3L B1S1
  • 2005 Mazda RX-8 Shinka 2 Cyl 1.3L B1S1
Product Details
Location : Before Catalytic ConverterNotes : Air/Fuel sensorType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 21.65 in. Wire LengthThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeInterchange Part Number : 25054031Connector 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 Oxygen Sensor, 4-Wire, Heated
Part Number: ARBM960909
Guaranteed to Fit
$21.49
Vehicle Fitment
  • 2005 Mazda RX-8 Shinka 2 Cyl 1.3L B1S2
  • 2005 Mazda RX-8 Base 2 Cyl 1.3L B1S2
Product Details
Location : After Catalytic ConverterType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 17.75 in. Wire LengthThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeInterchange Part Number : 25024131Connector 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
Downstream OE Replacement Series Oxygen Sensor, Sold individually 4-wire
Part Number: BS13595
Guaranteed to Fit
$102.49
Vehicle Fitment
  • 2005 Mazda RX-8 Shinka 2 Cyl 1.3L Standard Transmission; OE Sensor Technology
  • 2005 Mazda RX-8 Base 2 Cyl 1.3L Standard Transmission; OE Sensor Technology
Product Details
Location : DownstreamType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 18.9 in. Wire LengthInterchange Part Number : 25054031Warranty : 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
Before Catalytic Converter Walker Products Original Equipment Base Sensor Oxygen Sensor, Sold individually 4-wire
Part Number: WKP25054031
Guaranteed to Fit
$139.99
Vehicle Fitment
  • 2005 Mazda RX-8 Base 2 Cyl 1.3L B1S1
  • 2005 Mazda RX-8 Shinka 2 Cyl 1.3L B1S1
Product Details
Location : Before Catalytic ConverterNotes : Air/Fuel sensorType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 21.65 in. Wire LengthInterchange Part Number : REPM960919Warranty : 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 Walker Products Original Equipment Base Sensor Oxygen Sensor, Sold individually 4-wire
Part Number: 25024131
Guaranteed to Fit
$76.99
Vehicle Fitment
  • 2005 Mazda RX-8 Shinka 2 Cyl 1.3L B1S2
  • 2005 Mazda RX-8 Base 2 Cyl 1.3L B1S2
Product Details
Location : After Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 17.72 in. Wire LengthInterchange Part Number : ARBM960909Warranty : 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 Walker Products Aftermarket Base Sensor Oxygen Sensor, Sold individually 4-wire
Part Number: WKP35034057
Guaranteed to Fit
$69.99
Vehicle Fitment
  • 2005 Mazda RX-8 Shinka 2 Cyl 1.3L FI, Naturally Aspirated, GAS
  • 2005 Mazda RX-8 Base 2 Cyl 1.3L FI, Naturally Aspirated, GAS
Product Details
Location : After Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 17.71 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
After Catalytic Converter Oxygen Sensor, Sold individually 4-wire
Part Number: NP2344349
Guaranteed to Fit
$145.49
Vehicle Fitment
  • 2005 Mazda RX-8 Shinka 2 Cyl 1.3L
  • 2005 Mazda RX-8 Base 2 Cyl 1.3L
Product Details
Location : After Catalytic ConverterType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 10.6 in. Wire LengthInterchange Part Number : 25054031Warranty : 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.

Downstream OE Replacement Series Oxygen Sensor, Sold individually 4-wire
Part Number: BS15043
Guaranteed to Fit
$159.99
Vehicle Fitment
  • 2005 Mazda RX-8 Shinka 2 Cyl 1.3L Automatic Transmission; OE Sensor Technology
  • 2005 Mazda RX-8 Base 2 Cyl 1.3L Automatic Transmission; OE Sensor Technology
Product Details
Location : DownstreamType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 12 in. Wire LengthInterchange Part Number : 25054031Warranty : 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
Before Catalytic Converter Walker Products Aftermarket Base Sensor Oxygen Sensor, Sold individually 4-wire
Part Number: WKP35064015
Guaranteed to Fit
$164.99
Vehicle Fitment
  • 2005 Mazda RX-8 Base 2 Cyl 1.3L FI, Naturally Aspirated, GAS
  • 2005 Mazda RX-8 Shinka 2 Cyl 1.3L FI, Naturally Aspirated, GAS
Product Details
Location : Before Catalytic ConverterNotes : Air/Fuel sensorType : 4-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
Oxygen Sensor, Sold individually 4-wire
Part Number: DELES20068
Guaranteed to Fit
$155.49
Vehicle Fitment
  • 2005 Mazda RX-8 Shinka 2 Cyl 1.3L Manual Transmission
  • 2005 Mazda RX-8 Base 2 Cyl 1.3L Manual Transmission
Product Details
Location : Front or RearType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 17.72 in. Wire LengthThread Size : 18 x 1.5 mm Thread SizeInterchange Part Number : 25054031Warranty : 1-year or 12,000-mile Delphi 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, Sold individually 4-wire
Part Number: NG22506
Guaranteed to Fit
$139.99
Vehicle Fitment
  • 2005 Mazda RX-8 Shinka 2 Cyl 1.3L
  • 2005 Mazda RX-8 Base 2 Cyl 1.3L
Product Details
Location : After Catalytic ConverterNotes : Heated Sensor TypeType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 17.75 in. Wire LengthThread Size : 18 mm Thread SizeMounting Style : Threaded-in Mounting StyleInterchange Part Number : 25054031, 25673Warranty : 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.

Before Catalytic Converter Oxygen Sensor, Sold individually 4-wire
Part Number: NP2349102
Guaranteed to Fit
$247.49
Vehicle Fitment
  • 2005 Mazda RX-8 Base 2 Cyl 1.3L
  • 2005 Mazda RX-8 Shinka 2 Cyl 1.3L
Product Details
Location : Before Catalytic ConverterType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 21.42 in. Wire LengthThread Size : M18 Thread SizeInterchange Part Number : 25054031Connector 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.

Before Catalytic Converter Oxygen Sensor, Sold individually 4-wire
Part Number: NG25673
Guaranteed to Fit
$231.99
Vehicle Fitment
  • 2005 Mazda RX-8 Base 2 Cyl 1.3L
  • 2005 Mazda RX-8 Shinka 2 Cyl 1.3L
Product Details
Location : Before Catalytic ConverterNotes : 0.38 in. Thread Length; Heated Sensor TypeType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 21.8 in. Wire LengthThread Size : 18 mm Thread SizeMounting Style : Non-flanged Mounting StyleInterchange Part Number : 25054031Warranty : 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.

OE Replacement Series Oxygen Sensor, Sold individually 3-wire
Part Number: BS15740
Guaranteed to Fit
$44.49
Vehicle Fitment
  • 2005 Mazda RX-8 Base 2 Cyl 1.3L
  • 2005 Mazda RX-8 Shinka 2 Cyl 1.3L
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 : European Vehicle PartsSeries : OE Replacement Series
After Catalytic Converter Oxygen Sensor, 4-Wire, 2 Cyl., 1.3L Engine, B1S2
Part Number: JARBM960909
Guaranteed to Fit
$25.07
Vehicle Fitment
  • 2005 Mazda RX-8 Shinka 2 Cyl 1.3L B1S2
  • 2005 Mazda RX-8 Base 2 Cyl 1.3L B1S2
Product Details
Location : After Catalytic ConverterType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 17.75 in. Wire LengthThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeInterchange Part Number : 25024131Connector 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
Page 1 of 2 | Showing 1 - 15 of 28 results

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Had to solder some extra wire but it’s writing perfectly
Mateo T.
VERIFIED PURCHASER

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Product Questions & Answers

Q:Is the this sensor for before or after the catalytic converters?
Damion L.
A:BEST ANSWERHi Damion, I'm pleased to assist you. This sensor is for after the catalytic converter (downstream). If interested, use the link below to order at 51% off the regular price today while supplies last. I hope this is helpful. Enjoy your online shopping at CarParts.com! https://www.carparts.com/oxygen-sensor/bosch/bs15740?can=CPGG4850_CSQA_20220901 Show less
Grace G.
 
2 Questions, 1 AnswerView all Q&As >

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.