How to Service the Heated Oxygen Sensors on Ford Escort?

The service of Heated Oxygen Sensor (HO2S) starts with disconnecting the battery ground cable followed by disconnecting the HO2S electrical connector. Service the HO2S by first extracting it through the following steps while leaving out the exhaust manifold heat shield due to the need for clarity. The reinstallation process should be identical to the service order.

How to Service and Repair Oxygen Sensors on Ford Focus?

The Heated Oxygen Sensor (HO2S) should be serviced and repaired by first hoisting the vehicle at neutral position. Disconnect the battery ground cable. Service vehicles with secondary air injection by removing the evaporative emissions (EVAP) canister purge valve heat shield after disconnecting the electrical connector and detaching the wiring retainer. You should reinstall the heat shield following its installation. The exhaust manifold heat shield needs its four retaining bolts thoroughly removed while you place the shield aside for reinstallation with a torque of 11 Nm (8 lb-ft). The sensor removal requires penetrating and lock lubricant for lubrication purposes before using a 22-mm crowfoot wrench to extract it while achieving a torque of 48 Nm (35 lb-ft). Vehicles without secondary air injection require users to detach the wiring retainer while disconnecting the electrical connector followed by unsnapping the electrical connector heat shield. Apply lubricating oil to the HO2S and use the 22-mm crowfoot wrench to uninstall it by tightening the sensor to 48 Nm (35 lb-ft) during installation. The electrical connector locking tab needs to be engaged along with proper retention of sensor wiring through all retainers so that the wire remains away from hot surfaces and out of reach of sharp edges. Zinc anti-seize lubrication should be applied to sensor threads before reinstalling. The correct reverse order needs to be followed for full completion of the operation.

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
$60.11 MSRP: $98.91
You Save: $38.80 (40%)
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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
$51.65 MSRP: $86.55
You Save: $34.90 (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
$65.64 MSRP: $108.00
You Save: $42.36 (40%)
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
$53.26 MSRP: $87.64
You Save: $34.38 (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
$68.51 MSRP: $112.73
You Save: $44.22 (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
$55.80 MSRP: $91.82
You Save: $36.02 (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
$74.04 MSRP: $121.82
You Save: $47.78 (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
$46.72 MSRP: $74.18
You Save: $27.46 (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
$77.79 MSRP: $128.00
You Save: $50.21 (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
$76.91 MSRP: $126.55
You Save: $49.64 (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
$219.06 MSRP: $350.91
You Save: $131.85 (38%)
Ships in 1-2 Business Days
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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
$18.80 MSRP: $29.09
You Save: $10.29 (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
$158.70 MSRP: $252.00
You Save: $93.30 (38%)
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
$117.94 MSRP: $187.27
You Save: $69.33 (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
$130.53 MSRP: $207.27
You Save: $76.74 (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

OEM Oxygen Sensors boasts unmatched quality. Each part goes through full quality checks. They adhere to Ford's official factory standards. These steps remove flaws and inconsistencies. So you can get Oxygen Sensors with long life and a perfect fit. Come to our website and find genuine Ford parts. We keep a wide inventory of OEM parts at the highly affordable prices. It's easy to search, compare, and pick what you need. You'll love the clear info and simple checkout. We offer top-rated customer service, and we reply fast. We also ship promptly to ensure your order arrives on time.

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:
The service of Heated Oxygen Sensor (HO2S) starts with disconnecting the battery ground cable followed by disconnecting the HO2S electrical connector. Service the HO2S by first extracting it through the following steps while leaving out the exhaust manifold heat shield due to the need for clarity. The reinstallation process should be identical to the service order.
Oxygen Sensor, Front
5S4Z-9F472-AA
Q: How to Service and Repair Oxygen Sensors on Ford Focus?
A:
The Heated Oxygen Sensor (HO2S) should be serviced and repaired by first hoisting the vehicle at neutral position. Disconnect the battery ground cable. Service vehicles with secondary air injection by removing the evaporative emissions (EVAP) canister purge valve heat shield after disconnecting the electrical connector and detaching the wiring retainer. You should reinstall the heat shield following its installation. The exhaust manifold heat shield needs its four retaining bolts thoroughly removed while you place the shield aside for reinstallation with a torque of 11 Nm (8 lb-ft). The sensor removal requires penetrating and lock lubricant for lubrication purposes before using a 22-mm crowfoot wrench to extract it while achieving a torque of 48 Nm (35 lb-ft). Vehicles without secondary air injection require users to detach the wiring retainer while disconnecting the electrical connector followed by unsnapping the electrical connector heat shield. Apply lubricating oil to the HO2S and use the 22-mm crowfoot wrench to uninstall it by tightening the sensor to 48 Nm (35 lb-ft) during installation. The electrical connector locking tab needs to be engaged along with proper retention of sensor wiring through all retainers so that the wire remains away from hot surfaces and out of reach of sharp edges. Zinc anti-seize lubrication should be applied to sensor threads before reinstalling. The correct reverse order needs to be followed for full completion of the operation.