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2009 Ford Flex

2009 Ford Flex Oxygen Sensors

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After Catalytic Converter Oxygen Sensor, Sold Individualy, 4-Wire, 6 Cylinder, 3.5L Engine
Part Number: REPF960904
Guaranteed to Fit
$19.99
Vehicle Fitment
  • 2009 Ford Flex SE 6 Cyl 3.5L
  • 2009 Ford Flex SEL 6 Cyl 3.5L
  • 2009 Ford Flex Limited 6 Cyl 3.5L
Product Details
Location : After Catalytic ConverterType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 15.75 in. Wire LengthThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeInterchange Part Number : 25024001Connector 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 Sensors, 4-wire, 6 Cyl., 3.5L Engine
Part Number: SET-REPF960904-2
Guaranteed to Fit
$38.99
Vehicle Fitment
  • 2009 Ford Flex SE 6 Cyl 3.5L
  • 2009 Ford Flex SEL 6 Cyl 3.5L
  • 2009 Ford Flex Limited 6 Cyl 3.5L
Product Details
Location : After Catalytic ConverterComponents : (2) Oxygen SensorsType : 4-wireQuantity Sold : Set of 2Product Fit : Direct FitWire Length : 15.75 in. Wire LengthThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeConnector 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
Motorcraft OE Replacement Oxygen Sensor, Sold individually 4-wire
Part Number: MIDY1111
Guaranteed to Fit
$102.49
Vehicle Fitment
  • 2009 Ford Flex SEL 6 Cyl 3.5L
  • 2009 Ford Flex SE 6 Cyl 3.5L
  • 2009 Ford Flex Limited 6 Cyl 3.5L
Product Details
Location : Before Catalytic ConverterType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWarranty : 2-year or unlimited-mile Motorcraft 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 : Motorcraft OE Replacement
Oxygen Sensor, Sold individually 5-wire
Part Number: NP2345097
Guaranteed to Fit
$88.99
Vehicle Fitment
  • 2009 Ford Flex Limited 6 Cyl 3.5L O.E. Quality Replacement Sensor
  • 2009 Ford Flex SE 6 Cyl 3.5L O.E. Quality Replacement Sensor
  • 2009 Ford Flex SEL 6 Cyl 3.5L O.E. Quality Replacement Sensor
Product Details
Location : Before Catalytic ConverterType : 5-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 11.54 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.

Oxygen Sensor, Sold individually 4-wire
Part Number: NP2344610
Guaranteed to Fit
$34.99
Vehicle Fitment
  • 2009 Ford Flex SEL 6 Cyl 3.5L O.E. Quality Replacement Sensor
  • 2009 Ford Flex Limited 6 Cyl 3.5L O.E. Quality Replacement Sensor
  • 2009 Ford Flex SE 6 Cyl 3.5L O.E. Quality Replacement Sensor
Product Details
Location : After Catalytic ConverterType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitInterchange Part Number : 2344609, ES20104Warranty : 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.

OE Replacement Series Oxygen Sensor, Sold individually 4-wire
Part Number: BS15724
Guaranteed to Fit
$38.49
Vehicle Fitment
  • 2009 Ford Flex SE 6 Cyl 3.5L
  • 2009 Ford Flex Limited 6 Cyl 3.5L
  • 2009 Ford Flex SEL 6 Cyl 3.5L
Product Details
Location : After Catalytic ConverterType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 19.3 in. Wire LengthInterchange Part Number : 15718Warranty : 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
Oxygen Sensor, Sold individually 4-wire
Part Number: DELES20318
Guaranteed to Fit
$62.99
Vehicle Fitment
  • 2009 Ford Flex SE 6 Cyl 3.5L
  • 2009 Ford Flex Limited 6 Cyl 3.5L
  • 2009 Ford Flex SEL 6 Cyl 3.5L
Product Details
Location : RearType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 12.8 in. Wire LengthThread Size : 18 x 1.5 mm Thread SizeInterchange Part Number : 15718Warranty : 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.

Motorcraft OE Replacement Oxygen Sensor, Sold individually 4-wire
Part Number: MIDY1056
Guaranteed to Fit
$76.49
Vehicle Fitment
  • 2009 Ford Flex SE 6 Cyl 3.5L
  • 2009 Ford Flex Limited 6 Cyl 3.5L
  • 2009 Ford Flex SEL 6 Cyl 3.5L
Product Details
Location : After Catalytic ConverterType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitInterchange Part Number : 15730, SG300Warranty : 2-year or unlimited-mile Motorcraft 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 : Motorcraft OE Replacement
Oxygen Sensor, Sold individually
Part Number: ACB88260001
Guaranteed to Fit
$66.66
Vehicle Fitment
  • 2009 Ford Flex SE 6 Cyl 3.5L
  • 2009 Ford Flex SEL 6 Cyl 3.5L
  • 2009 Ford Flex Limited 6 Cyl 3.5L
Product Details
Location : After Catalytic ConverterQuantity Sold : Sold individuallyProduct Fit : Direct FitWarranty : Aceon 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
Part Number: WKP35035144
Guaranteed to Fit
$80.99
Vehicle Fitment
  • 2009 Ford Flex SE 6 Cyl 3.5L Eng Vin: C, FI, Naturally Aspirated, GAS, B1S1, B2S1
  • 2009 Ford Flex Limited 6 Cyl 3.5L Eng Vin: C, FI, Naturally Aspirated, GAS, B1S1, B2S1
  • 2009 Ford Flex SEL 6 Cyl 3.5L Eng Vin: C, FI, Naturally Aspirated, GAS, B1S1, B2S1
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.

Upstream OE Replacement Series Oxygen Sensor, Sold individually 5-wire
Part Number: BS17066
Guaranteed to Fit
$92.49
Vehicle Fitment
  • 2009 Ford Flex SEL 6 Cyl 3.5L
  • 2009 Ford Flex SE 6 Cyl 3.5L
  • 2009 Ford Flex Limited 6 Cyl 3.5L
Product Details
Location : UpstreamNotes : Wide-Band Oxygen Sensor TypeType : 5-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 12.8 in. Wire LengthMounting Style : Threaded-in Mounting StyleHex Size : 22 mm Hex SizeWarranty : 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 5-wire
Part Number: WKP35035040
Guaranteed to Fit
$72.99
Vehicle Fitment
  • 2009 Ford Flex SEL 6 Cyl 3.5L Eng. VIN: C, FI, Naturally Aspirated, GAS
  • 2009 Ford Flex Limited 6 Cyl 3.5L Eng. VIN: C, FI, Naturally Aspirated, GAS
  • 2009 Ford Flex SE 6 Cyl 3.5L Eng. VIN: C, FI, Naturally Aspirated, GAS
Product Details
Location : Before Catalytic ConverterNotes : Wideband sensorType : 5-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 15.75 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: 25024001
Guaranteed to Fit
$44.99
Vehicle Fitment
  • 2009 Ford Flex SE 6 Cyl 3.5L
  • 2009 Ford Flex SEL 6 Cyl 3.5L
  • 2009 Ford Flex Limited 6 Cyl 3.5L
Product Details
Location : After Catalytic ConverterNotes : HeatedType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 15.75 in. Wire LengthInterchange Part Number : REPF960904Warranty : 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
OE Replacement Series Oxygen Sensor, Sold individually 4-wire
Part Number: BS15729
Guaranteed to Fit
$40.49
Vehicle Fitment
  • 2009 Ford Flex SE 6 Cyl 3.5L OE sensor technology
  • 2009 Ford Flex SEL 6 Cyl 3.5L OE sensor technology
  • 2009 Ford Flex Limited 6 Cyl 3.5L OE sensor technology
Product Details
Location : DownstreamType : 4-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 29.7 in. Wire LengthInterchange Part Number : 15510Warranty : 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
Oxygen Sensor, Sold individually 5-wire
Part Number: NG24325
Guaranteed to Fit
$83.49
Vehicle Fitment
  • 2009 Ford Flex SEL 6 Cyl 3.5L
  • 2009 Ford Flex Limited 6 Cyl 3.5L
  • 2009 Ford Flex SE 6 Cyl 3.5L
Product Details
Location : Before Catalytic ConverterNotes : 0.38 in. Thread Length; Heated Sensor TypeType : 5-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 15.8 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.

Page 1 of 3 | Showing 1 - 15 of 35 results

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Popular Products

Product Questions & Answers

Q:Is this a downstream oxygen sensor and will this part  fit a 2019 Kia forte S? Show Less
Linwood B.
A:BEST ANSWERHi Linwood, thank you for reaching out. This item fits the 2019 Kia Forte S. This item is the upstream oxygen sensor for the 2019 Kia Forte S. Per checking, we don't have a downstream oxygen sensor for your car. Should you also need this part, you can use this link to continue ordering the part at a discounted price today: https://www.carparts.com/oxygen-sensor/ntk/ng24325?can=CPAP3648_CSQA_20230509 I hope this helps. Happy shopping. Show less
Aldrin P.
 
1 Question, 1 AnswerView all Q&As >
Q:Is their a differents between upstream and down stream oxgen sensors ? Show Less
Ronnie M.
A:BEST ANSWERHi Ronnie, I'm glad to assist you. Yes, there is a difference. For us to check carefully and be accurate on the part you need, please provide the complete details of your vehicle (year, make, model, submodel, 2WD/4WD, and engine size). The VIN would be helpful. Show less
Jeonino E.
 
2 Questions, 1 AnswerView all Q&As >
Q:I think i need 3 or 4 O2 sensors for my 2007 ford e250 4.6 engine. Do you have the right ones i need? Show Less
Willie W.
A:BEST ANSWERHi Willie, I'm glad to assist you. You need two upstream and two downstream sensors. The part numbers are SET-F960903 and REPF960904, respectively. Grab our low-price offer and click the two links below to buy these today. Happy shopping! https://www.carparts.com/details/Ford/E-250/DriveWire/Oxygen_Sensor/2007/Base/8_Cyl_4-dot-6L/SET-F960903-2.html?can=CPJE1043_CSQA_20221215 (Upstream sensors, set of 2 pieces already) https://www.carparts.com/details/Ford/E-250/DriveWire/Oxygen_Sensor/2007/Base/8_Cyl_4-dot-6L/REPF960904.html?can=CPJE1043_CSQA_20221215 (Downstream sensor, order 2 pieces) Show less
Jeonino E.
 
5 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.