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2002 Subaru Legacy

2002 Subaru Legacy Oxygen Sensors

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After Catalytic Converter Oxygen Sensor, B1S2, Sold individually, 4-wire, 4 Cyl 2.5L
Part Number: REPS960906
Guaranteed to Fit
$23.99
Vehicle Fitment
  • 2002 Subaru Legacy GT 4 Cyl 2.5L B1S2
  • 2002 Subaru Legacy L 4 Cyl 2.5L B1S2
  • 2002 Subaru Legacy GT Limited 4 Cyl 2.5L B1S2
Product Details
Location : After Catalytic ConverterType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 17.3 in. Wire LengthThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeInterchange Part Number : 25024373Connector 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
Before Catalytic Converter Oxygen Sensor, Sold individually, 5-wire, 4 Cyl 2.5L
Part Number: NG24320
Guaranteed to Fit
$106.99
Vehicle Fitment
  • 2002 Subaru Legacy L 4 Cyl 2.5L
  • 2002 Subaru Legacy GT Limited 4 Cyl 2.5L
  • 2002 Subaru Legacy GT 4 Cyl 2.5L
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.

Before Catalytic Converter Oxygen Sensor, enginedesignationname: EJ253, FI, Naturally Aspirated, GAS, B1S1, Sold individually, 5-wire, 4 Cyl 2.5L, Walker Products Aftermarket Base Sensor
Part Number: WKP35035009
Guaranteed to Fit
$81.99
Vehicle Fitment
  • 2002 Subaru Legacy L 4 Cyl 2.5L enginedesignationname: EJ253, FI, Naturally Aspirated, GAS, B1S1
  • 2002 Subaru Legacy GT Limited 4 Cyl 2.5L enginedesignationname: EJ253, FI, Naturally Aspirated, GAS, B1S1
  • 2002 Subaru Legacy GT 4 Cyl 2.5L enginedesignationname: EJ253, FI, Naturally Aspirated, GAS, B1S1
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
Before Catalytic Converter Oxygen Sensor, O.E. Quality Replacement Sensor, Sold individually, 4-wire, 4 Cyl 2.5L - Before Catalytic Converter
Part Number: NP2345003
Guaranteed to Fit
$91.49
Vehicle Fitment
  • 2002 Subaru Legacy GT 4 Cyl 2.5L O.E. Quality Replacement Sensor
  • 2002 Subaru Legacy L 4 Cyl 2.5L O.E. Quality Replacement Sensor
  • 2002 Subaru Legacy GT Limited 4 Cyl 2.5L O.E. Quality Replacement Sensor
Product Details
Location : Before Catalytic ConverterType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 20.3 in. Wire LengthInterchange Part Number : 2344210Warranty : 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 Oxygen Sensor, Sold individually, 4-wire, 4 Cyl 2.5L, OE Replacement Series
Part Number: BS15814
Guaranteed to Fit
$75.99
Vehicle Fitment
  • 2002 Subaru Legacy GT 4 Cyl 2.5L
  • 2002 Subaru Legacy L 4 Cyl 2.5L
  • 2002 Subaru Legacy GT Limited 4 Cyl 2.5L
Product Details
Location : DownstreamType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 18.5 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 EuroSeries : OE Replacement Series
After Catalytic Converter Oxygen Sensor, Eng. Designation: EJ253, FI, Naturally Aspirated, GAS, Sold individually, 4-wire, 4 Cyl 2.5L, Walker Products Aftermarket Base Sensor
Part Number: WKP35034563
Guaranteed to Fit
$64.99
Vehicle Fitment
  • 2002 Subaru Legacy GT 4 Cyl 2.5L Eng. Designation: EJ253, FI, Naturally Aspirated, GAS
  • 2002 Subaru Legacy L 4 Cyl 2.5L Eng. Designation: EJ253, FI, Naturally Aspirated, GAS
  • 2002 Subaru Legacy GT Limited 4 Cyl 2.5L Eng. Designation: EJ253, FI, Naturally Aspirated, GAS
Product Details
Location : After Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 17.52 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, 4 Cyl 2.5L
Part Number: NG24598
Guaranteed to Fit
$82.49
Vehicle Fitment
  • 2002 Subaru Legacy GT 4 Cyl 2.5L
  • 2002 Subaru Legacy L 4 Cyl 2.5L
  • 2002 Subaru Legacy GT Limited 4 Cyl 2.5L
Product Details
Location : After Catalytic ConverterNotes : Heated Sensor TypeType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 17.5 in. Wire LengthThread Size : 18 mm Thread SizeMounting Style : Threaded-in Mounting StyleInterchange Part Number : 2344210Warranty : 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.

After Catalytic Converter Oxygen Sensor, O.E. Quality Replacement Sensor, Sold individually, 4-wire, 4 Cyl 2.5L
Part Number: NP2344132
Guaranteed to Fit
$82.99
Vehicle Fitment
  • 2002 Subaru Legacy GT 4 Cyl 2.5L O.E. Quality Replacement Sensor
  • 2002 Subaru Legacy L 4 Cyl 2.5L O.E. Quality Replacement Sensor
  • 2002 Subaru Legacy GT Limited 4 Cyl 2.5L O.E. Quality Replacement Sensor
Product Details
Location : After Catalytic ConverterType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitInterchange Part Number : 2344210Warranty : 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.

Rear Oxygen Sensor, Sold individually, 4-wire, 4 Cyl 2.5L
Part Number: DELES20188
Guaranteed to Fit
$105.49
Vehicle Fitment
  • 2002 Subaru Legacy GT 4 Cyl 2.5L
  • 2002 Subaru Legacy L 4 Cyl 2.5L
  • 2002 Subaru Legacy GT Limited 4 Cyl 2.5L
Product Details
Location : RearType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 17.52 in. Wire LengthThread Size : 18 x 1.5 mm Thread SizeInterchange Part Number : 15730, SG300Warranty : 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.

Before Catalytic Converter Oxygen Sensor, Eng Des: EJ253, FI, Naturally Aspirated, GAS, B1S1, Sold individually, 4 Cyl 2.5L
Part Number: WKP35035116
Guaranteed to Fit
$101.99
Vehicle Fitment
  • 2002 Subaru Legacy GT 4 Cyl 2.5L Eng Des: EJ253, FI, Naturally Aspirated, GAS, B1S1
  • 2002 Subaru Legacy L 4 Cyl 2.5L Eng Des: EJ253, FI, Naturally Aspirated, GAS, B1S1
  • 2002 Subaru Legacy GT Limited 4 Cyl 2.5L Eng Des: EJ253, FI, Naturally Aspirated, GAS, B1S1
Product Details
Location : Before Catalytic ConverterQuantity Sold : Sold individuallyProduct Fit : Direct FitWarranty : 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.

Before Catalytic Converter Oxygen Sensor, Eng Des: EJ253, FI, Naturally Aspirated, GAS, B1S1, Sold individually, 4 Cyl 2.5L
Part Number: WKP25025161
Guaranteed to Fit
$114.49
Vehicle Fitment
  • 2002 Subaru Legacy GT 4 Cyl 2.5L Eng Des: EJ253, FI, Naturally Aspirated, GAS, B1S1
  • 2002 Subaru Legacy L 4 Cyl 2.5L Eng Des: EJ253, FI, Naturally Aspirated, GAS, B1S1
  • 2002 Subaru Legacy GT Limited 4 Cyl 2.5L Eng Des: EJ253, FI, Naturally Aspirated, GAS, B1S1
Product Details
Location : Before Catalytic ConverterQuantity Sold : Sold individuallyProduct Fit : Direct FitWarranty : 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.

After Catalytic Converter Oxygen Sensor, Sold individually, 4-wire, 4 Cyl 2.5L, OE Replacement Series - After Catalytic Converter
Part Number: BS15730
Guaranteed to Fit
$50.49
Vehicle Fitment
  • 2002 Subaru Legacy L 4 Cyl 2.5L
  • 2002 Subaru Legacy GT 4 Cyl 2.5L
  • 2002 Subaru Legacy GT Limited 4 Cyl 2.5L
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 EuroSeries : OE Replacement Series
Upstream Oxygen Sensor, Sold individually, 5-wire, 4 Cyl 2.5L, OE Replacement Series
Part Number: BS17018
Guaranteed to Fit
$94.49
Vehicle Fitment
  • 2002 Subaru Legacy GT 4 Cyl 2.5L
  • 2002 Subaru Legacy L 4 Cyl 2.5L
  • 2002 Subaru Legacy GT Limited 4 Cyl 2.5L
Product Details
Location : UpstreamType : 5-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 18.1 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 EuroSeries : OE Replacement Series
Front Oxygen Sensor, Sold individually, 5-wire, 4 Cyl 2.5L
Part Number: DELES10923
Guaranteed to Fit
$157.49
Vehicle Fitment
  • 2002 Subaru Legacy L 4 Cyl 2.5L
  • 2002 Subaru Legacy GT Limited 4 Cyl 2.5L
  • 2002 Subaru Legacy GT 4 Cyl 2.5L
Product Details
Location : FrontType : 5-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 23.62 in. Wire LengthThread Size : 18 x 1.5 mm Thread SizeWarranty : 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.

Atomic, O2 Sensor Wideband
Part Number: M46A2930
Universal Fit
$145.95
Product Details
Quantity Sold : Sold individuallyProduct Fit : UniversalWarranty : 1-year MSD 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.

Page 1 of 2 | Showing 1 - 15 of 27 results

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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.