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2012 Toyota Sienna

2012 Toyota Sienna Oxygen Sensors

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After Primary Catalytic Converter Oxygen Sensor 4-wire, Downstream (After Catalytic Converter)
Part Number: REPT960903
Guaranteed to Fit
$31.99
Vehicle Fitment
  • 2012 Toyota Sienna XLE 6 Cyl 3.5L
  • 2012 Toyota Sienna SE 6 Cyl 3.5L
  • 2012 Toyota Sienna Limited 6 Cyl 3.5L
  • 2012 Toyota Sienna LE 6 Cyl 3.5L
  • 2012 Toyota Sienna Base 6 Cyl 3.5L
Product Details
Location : After Primary Catalytic ConverterNotes : Downstream (After Catalytic converter)Type : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 14.17 in. Wire LengthThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeInterchange Part Number : 25024420Connector 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, Heated
Part Number: DL96090006
Guaranteed to Fit
$23.49
Vehicle Fitment
  • 2012 Toyota Sienna Limited 6 Cyl 3.5L
  • 2012 Toyota Sienna XLE 6 Cyl 3.5L
  • 2012 Toyota Sienna SE 6 Cyl 3.5L
  • 2012 Toyota Sienna LE 6 Cyl 3.5L
  • 2012 Toyota Sienna Base 6 Cyl 3.5L
Product Details
Location : Before Catalytic ConverterNotes : HeatedQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 16.73 in. Wire LengthInterchange Part Number : 25054084Connector Gender : MaleWarranty : 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, Driver Side Oxygen Sensor, Sold individually 4-wire
Part Number: NP2344416
Guaranteed to Fit
$76.99
Vehicle Fitment
  • 2012 Toyota Sienna Limited 6 Cyl 3.5L
  • 2012 Toyota Sienna XLE 6 Cyl 3.5L
  • 2012 Toyota Sienna LE 6 Cyl 3.5L
  • 2012 Toyota Sienna Base 6 Cyl 3.5L
  • 2012 Toyota Sienna SE 6 Cyl 3.5L
Product Details
Location : After Catalytic Converter, Driver SideType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 10.04 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.

Walker Products Original Equipment Base Sensor Oxygen Sensor, Sold individually 4-wire
Part Number: WKP25054084
Guaranteed to Fit
$159.49
Vehicle Fitment
  • 2012 Toyota Sienna Limited 6 Cyl 3.5L
  • 2012 Toyota Sienna XLE 6 Cyl 3.5L
  • 2012 Toyota Sienna SE 6 Cyl 3.5L
  • 2012 Toyota Sienna LE 6 Cyl 3.5L
  • 2012 Toyota Sienna Base 6 Cyl 3.5L
Product Details
Location : Before Catalytic ConverterNotes : Air/Fuel sensorType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 16.73 in. Wire LengthInterchange Part Number : DL96090006Warranty : 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
Walker Products Aftermarket Base Sensor Oxygen Sensor, Sold individually 4-wire
Part Number: WKP35034501
Guaranteed to Fit
$65.99
Vehicle Fitment
  • 2012 Toyota Sienna XLE 6 Cyl 3.5L Eng. Designation: 2GRFE, FI, Naturally Aspirated, GAS
  • 2012 Toyota Sienna SE 6 Cyl 3.5L Eng. Designation: 2GRFE, FI, Naturally Aspirated, GAS
  • 2012 Toyota Sienna Limited 6 Cyl 3.5L Eng. Designation: 2GRFE, FI, Naturally Aspirated, GAS
  • 2012 Toyota Sienna LE 6 Cyl 3.5L Eng. Designation: 2GRFE, FI, Naturally Aspirated, GAS
  • 2012 Toyota Sienna Base 6 Cyl 3.5L Eng. Designation: 2GRFE, FI, Naturally Aspirated, GAS
Product Details
Location : After Primary Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 14.17 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
Walker Products Original Equipment Base Sensor Oxygen Sensor, Sold individually 4-wire
Part Number: WKP25024914
Guaranteed to Fit
$85.99
Vehicle Fitment
  • 2012 Toyota Sienna LE 4 Cyl 2.7L B1S2
  • 2012 Toyota Sienna Base 4 Cyl 2.7L B1S2
  • 2012 Toyota Sienna Limited 6 Cyl 3.5L
  • 2012 Toyota Sienna XLE 6 Cyl 3.5L
  • 2012 Toyota Sienna LE 6 Cyl 3.5L
  • 2012 Toyota Sienna Base 6 Cyl 3.5L
  • 2012 Toyota Sienna SE 6 Cyl 3.5L
Product Details
Location : After Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 20.67 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
Oxygen Sensor, Sold individually 4-wire
Part Number: NG24677
Guaranteed to Fit
$85.49
Vehicle Fitment
  • 2012 Toyota Sienna XLE 6 Cyl 3.5L
  • 2012 Toyota Sienna SE 6 Cyl 3.5L
  • 2012 Toyota Sienna Limited 6 Cyl 3.5L
  • 2012 Toyota Sienna LE 6 Cyl 3.5L
  • 2012 Toyota Sienna Base 6 Cyl 3.5L
Product Details
Location : After Primary Catalytic ConverterNotes : Heated Sensor TypeType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 14.25 in. Wire LengthThread Size : 18 mm Thread SizeMounting Style : Threaded-in Mounting StyleInterchange Part Number : 15730, SG300Warranty : 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.

Oxygen Sensor, Sold individually 4-wire
Part Number: DELES20213
Guaranteed to Fit
$95.49
Vehicle Fitment
  • 2012 Toyota Sienna XLE 6 Cyl 3.5L
  • 2012 Toyota Sienna SE 6 Cyl 3.5L
  • 2012 Toyota Sienna Limited 6 Cyl 3.5L
  • 2012 Toyota Sienna LE 6 Cyl 3.5L
  • 2012 Toyota Sienna Base 6 Cyl 3.5L
Product Details
Location : Rear, Driver SideType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 14.17 in. Wire LengthThread Size : 18 x 1.5 mm Thread SizeReplaces OE Number : 8946508040Interchange Part Number : 2344626, 25054007Warranty : 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.

OE Replacement Series Oxygen Sensor, Sold individually 4-wire
Part Number: BS13720
Guaranteed to Fit
$63.99
Vehicle Fitment
  • 2012 Toyota Sienna XLE 6 Cyl 3.5L OE sensor technology
  • 2012 Toyota Sienna SE 6 Cyl 3.5L OE sensor technology
  • 2012 Toyota Sienna Limited 6 Cyl 3.5L OE sensor technology
  • 2012 Toyota Sienna LE 6 Cyl 3.5L OE sensor technology
  • 2012 Toyota Sienna Base 6 Cyl 3.5L OE sensor technology
Product Details
Location : Downstream, Driver SideType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 10.6 in. Wire LengthInterchange Part Number : 2349021Warranty : 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
OE Replacement Series Oxygen Sensor, Sold individually 4-wire
Part Number: BS18081
Guaranteed to Fit
$193.49
Vehicle Fitment
  • 2012 Toyota Sienna Limited 6 Cyl 3.5L OE sensor technology
  • 2012 Toyota Sienna XLE 6 Cyl 3.5L OE sensor technology
  • 2012 Toyota Sienna SE 6 Cyl 3.5L OE sensor technology
  • 2012 Toyota Sienna LE 6 Cyl 3.5L OE sensor technology
  • 2012 Toyota Sienna Base 6 Cyl 3.5L OE sensor technology
Product Details
Location : Before Catalytic ConverterNotes : Wideband Heated Sensor TypeType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 17.72 in.Mounting Style : Threaded-in Mounting StyleHex Size : 22 mm Hex SizeConnector 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 : European Vehicle PartsSeries : OE Replacement Series
Walker Products Aftermarket Base Sensor Oxygen Sensor, Sold individually 4-wire
Part Number: WKP35034444
Guaranteed to Fit
$68.49
Vehicle Fitment
  • 2012 Toyota Sienna LE 4 Cyl 2.7L Eng. Designation: 1AR-FE, FI, Naturally Aspirated, GAS
  • 2012 Toyota Sienna Base 4 Cyl 2.7L Eng. Designation: 1AR-FE, FI, Naturally Aspirated, GAS
  • 2012 Toyota Sienna Limited 6 Cyl 3.5L Eng. Designation: 2GRFE, FI, Naturally Aspirated, GAS
  • 2012 Toyota Sienna XLE 6 Cyl 3.5L Eng. Designation: 2GRFE, FI, Naturally Aspirated, GAS
  • 2012 Toyota Sienna LE 6 Cyl 3.5L Eng. Designation: 2GRFE, FI, Naturally Aspirated, GAS
  • 2012 Toyota Sienna Base 6 Cyl 3.5L Eng. Designation: 2GRFE, FI, Naturally Aspirated, GAS
  • 2012 Toyota Sienna SE 6 Cyl 3.5L Eng. Designation: 2GRFE, FI, Naturally Aspirated, GAS
Product Details
Location : After Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 20.67 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: NP2344537
Guaranteed to Fit
$84.99
Vehicle Fitment
  • 2012 Toyota Sienna Base 4 Cyl 2.7L O.E. Quality Replacement Sensor
  • 2012 Toyota Sienna LE 4 Cyl 2.7L O.E. Quality Replacement Sensor
Product Details
Location : After Catalytic ConverterType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitConnector 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.

After Catalytic Converter, Passenger Side Oxygen Sensor, Sold individually 4-wire
Part Number: NP2344540
Guaranteed to Fit
$85.99
Vehicle Fitment
  • 2012 Toyota Sienna Limited 6 Cyl 3.5L FWD
  • 2012 Toyota Sienna XLE 6 Cyl 3.5L FWD
  • 2012 Toyota Sienna LE 6 Cyl 3.5L FWD
  • 2012 Toyota Sienna Base 6 Cyl 3.5L FWD
  • 2012 Toyota Sienna SE 6 Cyl 3.5L FWD
Product Details
Location : After Catalytic Converter, Passenger SideType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitConnector Gender : Female 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.

After Catalytic Converter, Passenger Side Oxygen Sensor, Sold individually 4-wire
Part Number: NP2344539
Guaranteed to Fit
$93.49
Vehicle Fitment
  • 2012 Toyota Sienna Limited 6 Cyl 3.5L AWD
  • 2012 Toyota Sienna XLE 6 Cyl 3.5L AWD
  • 2012 Toyota Sienna LE 6 Cyl 3.5L AWD
Product Details
Location : After Catalytic Converter, Passenger SideType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitConnector Gender : Female 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.

Oxygen Sensor, Sold individually 4-wire
Part Number: DELES20415
Guaranteed to Fit
$97.99
Vehicle Fitment
  • 2012 Toyota Sienna LE 4 Cyl 2.7L
  • 2012 Toyota Sienna Base 4 Cyl 2.7L
  • 2012 Toyota Sienna Limited 6 Cyl 3.5L
  • 2012 Toyota Sienna XLE 6 Cyl 3.5L
  • 2012 Toyota Sienna LE 6 Cyl 3.5L
  • 2012 Toyota Sienna Base 6 Cyl 3.5L
  • 2012 Toyota Sienna SE 6 Cyl 3.5L
Product Details
Location : RearType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWarranty : 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.

Page 1 of 3 | Showing 1 - 15 of 34 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.