How to Service the Heated Oxygen Sensors on Ford Escort?

In order to change the Heated Oxygen Sensor (HO2S), begin by unscrewing the battery ground cable. Then detach HO2S electrical connector and sensor. To install, reverse. Please observe that the exhaust manifold heat shield is not included to help reduce confusion.

How to Service Oxygen Sensors on Ford Focus?

To service the oxygen sensor, begin by raising and supporting the vehicle. Next, disconnect the electrical connector from the catalyst monitor sensor and remove the sensor. To install, simply reverse the steps taken during removal.

OEM Ford Oxygen Sensors

Oxygen O2 Sensor

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247 Oxygen Sensors found

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Ford Oxygen Sensor, Front Driver Side Part Number: YL8Z-9F472-AA
$76.78 MSRP: $128.91
You Save: $52.13 (41%)
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Product Specifications
- Other Name: Sensor - Hego; Oxygen Sensor, Front, Front Left
- Position: Front Driver Side
Fits the following Ford Models:
- Escape | 2001-2006 | Limited, XLS, XLT, XLT No Boundaries, XLT Sport | 4 Cyl 2.0 L GAS, 6 Cyl 3.0 L GAS
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Ford Oxygen Sensor, Front Passenger Side Part Number: YL8Z-9F472-BA
$52.51 MSRP: $88.00
You Save: $35.49 (41%)
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Product Specifications
- Other Name: Sensor - Hego; Oxygen Sensor, Front Right
- Position: Front Passenger Side
Fits the following Ford Models:
- Escape | 2001-2006 | Limited, XLS, XLT, XLT No Boundaries, XLT Sport | 6 Cyl 3.0 L GAS
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Ford Oxygen Sensor, Front Upper Part Number: EJ5Z-9F472-B
$61.19 MSRP: $102.73
You Save: $41.54 (41%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor - Hego; Oxygen Sensor, Front; Wideband Air/Fuel Sensor; Upper Oxygen Sensor
- Position: Front Upper
Fits the following Ford Models:
- Fusion | 2014-2016 | S, SE, Titanium | 4 Cyl 1.5 L GAS, 4 Cyl 1.6 L GAS, 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
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Ford Oxygen Sensor, Rear Part Number: FL3Z-9G444-B
$58.45 MSRP: $96.18
You Save: $37.73 (40%)
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Product Specifications
- Other Name: Sensor - Exhaust Gas - Oxygen; Oxygen Sensor, Rear; Rear Oxygen Sensor
- Manufacturer Note: RH/LH
- Position: Rear
Fits the following Ford Models:
- Mustang | 2015-2020 | Shelby GT350, Shelby GT350R, V6 | 6 Cyl 3.7 L GAS, 8 Cyl 5.2 L GAS
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Ford Oxygen Sensor, Rear Part Number: BE5Z-9G444-C
$71.71 MSRP: $118.00
You Save: $46.29 (40%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor - Exhaust Gas - Oxygen; Oxygen Sensor, Rear; Lower Oxygen Sensor
- Position: Rear
Fits the following Ford Models:
- Fusion | 2011-2012 | S, SE, SEL | 4 Cyl 2.5 L GAS
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Ford Oxygen Sensor, Front Driver Side Part Number: FR3Z-9F472-E
$54.03 MSRP: $88.91
You Save: $34.88 (40%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor - Hego; Oxygen Sensor, Front Left; Wideband Air/Fuel Sensor; Air/Fuel Sensor; Front Oxygen Sensor
- Position: Front Driver Side
Fits the following Ford Models:
- Mustang | 2015-2017 | GT, GT 50 Years Limited Edition, GT Premium | 8 Cyl 5.0 L GAS
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Ford Oxygen Sensor, Rear Part Number: BR3Z-9G444-A
$71.27 MSRP: $117.27
You Save: $46.00 (40%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor - Exhaust Gas - Oxygen; Oxygen Sensor, Rear; Rear Oxygen Sensor
- Position: Rear
Fits the following Ford Models:
- Mustang | 2011-2014 | Base, Boss 302, GT, Shelby GT500 | 6 Cyl 3.7 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.4 L GAS, 8 Cyl 5.8 L GAS
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Ford Oxygen Sensor, Rear Part Number: FL3Z-9G444-D
$43.97 MSRP: $69.82
You Save: $25.85 (38%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Sensor - Exhaust Gas - Oxygen; Oxygen Sensor, Rear; Lower Oxygen Sensor
- Position: Rear
Fits the following Ford Models:
- F-150 | 2015-2017 | King Ranch, Lariat, Limited, Platinum, Raptor, SSV, XL, XLT | 6 Cyl 2.7 L GAS, 6 Cyl 3.5 L FLEX, 6 Cyl 3.5 L GAS, 8 Cyl 5.0 L FLEX
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Ford Oxygen Sensor, Front Passenger Side Part Number: JR3Z-9F472-B
$101.01 MSRP: $160.40
You Save: $59.39 (38%)
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Product Specifications
- Other Name: Sensor - Hego; Oxygen Sensor, Front Right; Front Oxygen Sensor
- Position: Front Passenger Side
Fits the following Ford Models:
- Mustang | 2018-2023 | Bullitt, GT, GT Premium, Mach 1 | 8 Cyl 5.0 L GAS
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Ford Oxygen Sensor, Rear Lower Part Number: J1DZ-9G444-A
$71.79 MSRP: $114.00
You Save: $42.21 (38%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sensor - Exhaust Gas - Oxygen; Oxygen Sensor, Rear; Lower Oxygen Sensor
- Position: Rear Lower
Fits the following Ford Models:
- Escape | 2018-2019 | S | 4 Cyl 2.5 L GAS
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Ford Oxygen Sensor, Rear Part Number: FL3Z-9G444-C
$75.36 MSRP: $124.00
You Save: $48.64 (40%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Sensor - Exhaust Gas - Oxygen; Oxygen Sensor, Rear; Rear Oxygen Sensor; Lower Oxygen Sensor
- Position: Rear
Fits the following Ford Models:
- F-150 | 2015-2016 | King Ranch, Lariat, Limited, Platinum, SSV, XL, XLT | 6 Cyl 3.5 L GAS
- Mustang | 2015-2017 | EcoBoost, EcoBoost Premium | 4 Cyl 2.3 L GAS
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Ford Oxygen Sensor, Rear Part Number: BL8Z-9G444-A
$74.15 MSRP: $122.00
You Save: $47.85 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor - Exhaust Gas - Oxygen; Oxygen Sensor, Rear; Lower Oxygen Sensor
- Position: Rear
Fits the following Ford Models:
- Escape | 2011-2012 | Limited, XLS, XLT | 4 Cyl 2.5 L GAS
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Ford Oxygen Sensor, Front Driver Side Part Number: JL3Z-9F472-B
$119.34 MSRP: $196.36
You Save: $77.02 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor - Hego; Oxygen Sensor, Front Left; Upper Oxygen Sensor
- Position: Front Driver Side
Fits the following Ford Models:
- F-150 | 2018-2020 | King Ranch, Lariat, Platinum, SSV, XL, XLT | 6 Cyl 3.3 L FLEX, 8 Cyl 5.0 L FLEX
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Ford Oxygen Sensor, Rear Part Number: LX6Z-9G444-M
$90.43 MSRP: $143.60
You Save: $53.17 (38%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor - Exhaust Gas - Oxygen; Oxygen Sensor, Rear; Lower Oxygen Sensor
- Position: Rear
- Replaces: LX6Z-9G444-F
Fits the following Ford Models:
- Escape | 2020-2022 | S, SE, SEL | 3 Cyl 1.5 L GAS
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Ford Oxygen Sensor Part Number: PZ1Z-9F472-E
$198.51 MSRP: $318.00
You Save: $119.49 (38%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor - Hego; Upper Oxygen Sensor
Fits the following Ford Models:
- Escape | 2023 | Platinum Hybrid, Plug-In Hybrid, ST-Line Elite Hybrid, ST-Line Hybrid, ST-Line Select Hybrid | 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.5 L PLUG-IN HYBRID EV-GAS (PHEV)
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Ford Oxygen Sensor Part Number: PZ1Z-9G444-E
$18.45 MSRP: $28.55
You Save: $10.10 (36%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor - Exhaust Gas - Oxygen; Lower Oxygen Sensor
Fits the following Ford Models:
- Escape | 2023 | Active, Base, ST-Line | 3 Cyl 1.5 L GAS
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Ford Oxygen Sensor, Front Passenger Side Part Number: LK4Z-9F472-D
$149.69 MSRP: $252.00
You Save: $102.31 (41%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor - Hego; Oxygen Sensor, Front Right; Front Oxygen Sensor
- Position: Front Passenger Side
Fits the following Ford Models:
- Transit-150 | 2020-2023 | Base, PTV, XL, XLT | 6 Cyl 3.5 L GAS
- Transit-250 | 2020-2023 | Base, PTV | 6 Cyl 3.5 L GAS
- Transit-350 | 2020-2023 | Base, PTV, XL, XLT | 6 Cyl 3.5 L GAS
- Transit-350 HD | 2020-2023 | Base, PTV, XL, XLT | 6 Cyl 3.5 L GAS
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Ford Oxygen Sensor Part Number: PZ1Z-9F472-G
$116.50 MSRP: $185.00
You Save: $68.50 (38%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor - Hego
- Replaces: AM-QDY-238, PZ1Z-9F472-A
Fits the following Ford Models:
- Escape | 2023 | Platinum, ST-Line Elite, ST-Line Select | 4 Cyl 2.0 L GAS
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Ford Oxygen Sensor Part Number: PZ1Z-9G444-F
$120.91 MSRP: $192.00
You Save: $71.09 (38%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor - Exhaust Gas - Oxygen; Lower Oxygen Sensor
Fits the following Ford Models:
- Escape | 2023 | Platinum Hybrid, Plug-In Hybrid, ST-Line Elite Hybrid, ST-Line Hybrid, ST-Line Select Hybrid | 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.5 L PLUG-IN HYBRID EV-GAS (PHEV)
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Ford Rear Oxygen Sensor Part Number: XR3Z-9G444-CA
$24.77 MSRP: $34.27
You Save: $9.50 (28%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor Assembly; Oxygen Sensor, Rear Right; Oxygen Sensor
- Position: Rear
Fits the following Ford Models:
- Mustang | 1999-2000 | GT, SVT Cobra | 8 Cyl 4.6 L GAS

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Ford Oxygen Sensors Parts and Q&A

Oxygen Sensor, Rear Driver Side
GU2Z-9G444-A
Q: How to Service the Heated Oxygen Sensors on Ford Escort?
A: In order to change the Heated Oxygen Sensor (HO2S), begin by unscrewing the battery ground cable. Then detach HO2S electrical connector and sensor. To install, reverse. Please observe that the exhaust manifold heat shield is not included to help reduce confusion.
Oxygen Sensor, Front
5S4Z-9F472-AA
Q: How to Service Oxygen Sensors on Ford Focus?
A: To service the oxygen sensor, begin by raising and supporting the vehicle. Next, disconnect the electrical connector from the catalyst monitor sensor and remove the sensor. To install, simply reverse the steps taken during removal.