What is the general information about oxygen sensors and their role on Ford Escape?

An oxygen sensor functions as a galvanic battery that generates a small voltage output based on the oxygen levels in exhaust gases, providing essential input for the feedback loop with the Powertrain Control Module (PCM) to maintain the ideal air/fuel ratio of 14.7:1 for optimal catalyst performance. Vehicles equipped with On-Board Diagnostics II (OBD-II) utilize two oxygen sensors-one before and one after the catalytic converter-to assess converter efficiency by comparing oxygen levels in the exhaust gases. Four-cylinder models feature one upstream and one downstream heated oxygen sensor, while V6 models have four heated sensors, with two for each cylinder head and multiple catalysts. All sensors are heated to reduce warm-up time, and care must be taken during servicing to avoid damaging the permanently attached pigtail and electrical connector, as well as to keep contaminants away from the sensor. When replacing an oxygen sensor, it is advisable to warm the engine to ease removal, apply anti-seize compound to the threads if reusing an old sensor, and ensure proper torque during installation. After reconnecting the battery, the PCM must relearn its idle and fuel trim strategy for optimal performance.

Genuine Ford Escape Oxygen Sensors

Oxygen O2 Sensor

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54 Oxygen Sensors found

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Ford Escape Sensor - Exhaust Gas - Oxygen
Part Number: BE5Z-9G444-B
$62.70 MSRP: $112.73
You Save: $50.03 (45%)
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Product Specifications
- Manufacturer Note: Rear
- Position: Lower
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011-2012 Ford Escape | 6 Cyl 3.0L OHC Duratec | 4AT CD4E, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
View related parts
Ford Escape Sensor - Exhaust Gas - Oxygen
Part Number: CJ5Z-9G444-B
$47.49 MSRP: $92.36
You Save: $44.87 (49%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Position: Lower
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2013-2016 Ford Escape | 4 Cyl 2.5L Duratec (110kW/150PS) | 6-Speed Automatic Transmission 6F Mid-Range, Four-Wheel Drive, Four-Wheel Drive (Part Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Front-Wheel Drive (Right Hand Drive), Left Hand Drive, Two-Wheel Drive (Left Hand Drive)
View related parts
Ford Escape Sensor - Hego
Part Number: 5L8Z-9F472-BA
$48.45 MSRP: $77.27
You Save: $28.82 (38%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Manufacturer Note: Rear
- Position: Front
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2010 Ford Escape | 4 Cyl 2.3L, 4 Cyl 2.3L Hybrid Gas/Electric DOHC, 4 Cyl 2.5L Duratec (110kW/150PS) | 4AT CD4E, 5-Speed Manual Transmission, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Right Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive, Two-Wheel Drive (Left Hand Drive), Two-Wheel Drive (Right Hand Drive)
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Ford Escape Sensor - Hego
Part Number: 9E5Z-9F472-E
$81.51 MSRP: $160.73
You Save: $79.22 (50%)
ADD TO CART
Product Specifications
- Other Name: Oxygen Sensor, Upper Oxygen Sensor
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2010-2012 Ford Escape | 4 Cyl 2.5L Duratec (110kW/150PS) | 6-Speed Automatic Transmission 6F Mid-Range, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
View related parts
Ford Escape Sensor - Exhaust Gas - Oxygen
Part Number: ED8Z-9G444-A
$43.09 MSRP: $68.73
You Save: $25.64 (38%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Lower Oxygen Sensor, Oxygen Sensor
- Position: Lower
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2017-2019 Ford Escape | 4 Cyl 2.5L Duratec FFV (125kW/170PS) | 6-Speed Automatic Transmission 6F Mid-Range, Four-Wheel Drive, Four-Wheel Drive (Part Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Front-Wheel Drive (Right Hand Drive), Left Hand Drive, Two-Wheel Drive (Left Hand Drive)
View related parts
Ford Escape Sensor - Exhaust Gas - Oxygen
Part Number: F1FZ-9G444-C
$92.42 MSRP: $183.64
You Save: $91.22 (50%)
ADD TO CART
Product Specifications
- Other Name: Lower Oxygen Sensor, Oxygen Sensor
- Replaced by: F1FZ-9G444-G
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2017-2019 Ford Escape | 4 Cyl 1.5L EcoBoost 16V (180PS) | 6-Speed Automatic Transmission 6F Mid-Range, Four-Wheel Drive, Four-Wheel Drive (Part Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Front-Wheel Drive (Right Hand Drive), Left Hand Drive, Two-Wheel Drive (Left Hand Drive)
View related parts
Ford Escape Sensor - Hego
Part Number: YL8Z-9F472-BA
$41.99 MSRP: $83.45
You Save: $41.46 (50%)
ADD TO CART
Product Specifications
- Other Name: Oxygen Sensor
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2001-2004 Ford Escape | 6 Cyl 3.0L DOHC EFI Modular | 4AT CD4E, 5-Speed Manual Transmission, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Right Hand Drive), Left Hand Drive, Two-Wheel Drive (Left Hand Drive), Two-Wheel Drive (Right Hand Drive)
View related parts
Ford Escape Sensor - Exhaust Gas - Oxygen
Part Number: 5L8Z-9G444-F
$52.91 MSRP: $87.45
You Save: $34.54 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Manufacturer Note: Rear
- Replaces: 5L8Z-9G444-H, 5L8Z-9G444-J
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2007-2010 Ford Escape | 6 Cyl 3.0L DOHC EFI Modular, 6 Cyl 3.0L OHC Duratec | 4AT CD4E, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
View related parts
Ford Escape Sensor - Hego
Part Number: YL8Z-9F472-AA
$62.40 MSRP: $124.00
You Save: $61.60 (50%)
ADD TO CART
Product Specifications
- Other Name: Oxygen Sensor
- Position: Driver Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2001-2004 Ford Escape | 4 Cyl 2.0L Zetec EFI, 6 Cyl 3.0L DOHC EFI Modular | 4AT CD4E, 5-Speed Manual Transmission, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Right Hand Drive), Left Hand Drive, Two-Wheel Drive (Left Hand Drive), Two-Wheel Drive (Right Hand Drive)
View related parts
Ford Escape Sensor Assembly
Part Number: YL8Z-9G444-CA
$54.56 MSRP: $90.18
You Save: $35.62 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor Assy
- Position: Passenger Side
- Replaced by: 5L8Z-9G444-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2001-2006 Ford Escape | 6 Cyl 3.0L DOHC EFI Modular | 4AT CD4E, 5-Speed Manual Transmission, 5-Speed Manual Transmission - AK, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Right Hand Drive), Left Hand Drive, Two-Wheel Drive (Left Hand Drive), Two-Wheel Drive (Right Hand Drive)
View related parts
Ford Escape Sensor - Hego
Part Number: E1GZ-9F472-B
$144.10 MSRP: $238.18
You Save: $94.08 (40%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Oxygen Sensor, Upper Oxygen Sensor
- Manufacturer Note: RH/LH
- Position: Passenger Side/Driver Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2017-2019 Ford Escape | 4 Cyl 1.5L EcoBoost 16V (180PS) | 6-Speed Automatic Transmission 6F Mid-Range, Four-Wheel Drive, Four-Wheel Drive (Part Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Front-Wheel Drive (Right Hand Drive), Left Hand Drive, Two-Wheel Drive (Left Hand Drive)
View related parts
Ford Escape Sensor - Exhaust Gas - Oxygen
Part Number: BE5Z-9G444-A
$72.60 MSRP: $120.00
You Save: $47.40 (40%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Position: Front
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011-2012 Ford Escape | 4 Cyl 2.5L PFI Gas/Electric, 6 Cyl 3.0L OHC Duratec | 4AT CD4E, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
View related parts
Ford Escape Sensor - Hego
Part Number: BA5Z-9F472-A
$82.32 MSRP: $133.64
You Save: $51.32 (39%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Manufacturer Note: Front Or Rear
- Position: Upper
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2013-2016 Ford Escape | 4 Cyl 2.0L | 6-Speed Automatic Transmission 6F Mid-Range, Four-Wheel Drive, Four-Wheel Drive (Part Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Front-Wheel Drive (Right Hand Drive), Left Hand Drive, Two-Wheel Drive (Left Hand Drive)
View related parts
Ford Escape Sensor - Hego
Part Number: 8F9Z-9F472-B
$94.27 MSRP: $155.82
You Save: $61.55 (40%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Manufacturer Note: Front Or Rear
- Position: Upper
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2009-2012 Ford Escape | 4 Cyl 2.5L PFI Gas/Electric | 4AT CD4E, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
View related parts
Ford Escape Sensor - Hego
Part Number: E1GZ-9F472-C
$85.80 MSRP: $141.82
You Save: $56.02 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Position: Front
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2017-2019 Ford Escape | 4 Cyl 2.0L EcoBoost (240PS) | 6-Speed Automatic Transmission 6F Mid-Range, Four-Wheel Drive, Four-Wheel Drive (Part Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Front-Wheel Drive (Right Hand Drive), Left Hand Drive, Two-Wheel Drive (Left Hand Drive)
View related parts
Ford Escape Sensor - Exhaust Gas - Oxygen
Part Number: BL8Z-9G444-A
$71.50 MSRP: $118.18
You Save: $46.68 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Lower Oxygen Sensor, Oxygen Sensor
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011-2012 Ford Escape | 4 Cyl 2.5L Duratec (110kW/150PS) | 4AT CD4E, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
View related parts
Ford Escape Sensor - Exhaust Gas - Oxygen
Part Number: 5L8Z-9G444-H
$52.91 MSRP: $87.45
You Save: $34.54 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Manufacturer Note: Rear
- Position: Front
- Replaced by: 5L8Z-9G444-F
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2007 Ford Escape | 6 Cyl 3.0L DOHC EFI Modular | 4AT CD4E, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
View related parts
Ford Escape Sensor - Exhaust Gas - Oxygen
Part Number: 5L8Z-9G444-J
$52.91 MSRP: $87.45
You Save: $34.54 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Position: Front
- Replaced by: 5L8Z-9G444-F
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008 Ford Escape | 6 Cyl 3.0L DOHC EFI Modular | 4AT CD4E, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
View related parts
Ford Escape Sensor - Exhaust Gas - Oxygen
Part Number: 5L8Z-9G444-G
$54.56 MSRP: $90.18
You Save: $35.62 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Manufacturer Note: Rear
- Replaced by: 5L8Z-9G444-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2007-2008 Ford Escape | 6 Cyl 3.0L DOHC EFI Modular | 4AT CD4E, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
View related parts
Ford Escape Sensor Assembly
Part Number: YL8Z-9G444-BA
$59.60 MSRP: $81.43
You Save: $21.83 (27%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor Assy; Oxygen Sensor, Sensor
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2001-2004 Ford Escape | 4 Cyl 2.0L Zetec EFI | 4AT CD4E, 5-Speed Manual Transmission, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Right Hand Drive), Left Hand Drive, Two-Wheel Drive (Left Hand Drive), Two-Wheel Drive (Right Hand Drive)

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1-20 of 54 Results

Ford Escape Oxygen Sensors

Oxygen Sensors is an important element in the Ford Escape that helps in detection of the amount of un burnt oxygen in the exhaust, so that the engine control computer can set right the air fuel mixture for better combustion and less pollution. As a result, the engine can work in a "closed loop" with help of the voltage signal responding to the oxygen concentration, thus improving catalytic converter effectiveness. Some of the Ford Escape models may use zirconium dioxide based lambda sensor, and the lambda sensors types at that can be moreover narrowband or wideband. The first type of sensors is narrow-band sensors which gives signals of either rich or lean whereas the second type is the wide-band sensors that offer signals of different air-fuel mixture. In essence, these sensors are subject to deposits over time and they may get contaminated hence causing increased emissions and more fuel consumption. Ford Escape's performance and emissions standards require proper monitoring and maintenance of the Oxygen Sensors.

We provide a wide range of Ford Escape Oxygen Sensors at the best prices possible. If you need Ford Escape Oxygen Sensors, you can shop with confidence on our website. All our OEM parts come with a manufacturer's warranty and are delivered to your door step with a fast delivery service.

Ford Escape Oxygen Sensors Parts Questions & Experts Answers

Sensor - Hego
YL8Z-9F472-AA
Q: What is the general information about oxygen sensors and their role on Ford Escape?
A: An oxygen sensor functions as a galvanic battery that generates a small voltage output based on the oxygen levels in exhaust gases, providing essential input for the feedback loop with the Powertrain Control Module (PCM) to maintain the ideal air/fuel ratio of 14.7:1 for optimal catalyst performance. Vehicles equipped with On-Board Diagnostics II (OBD-II) utilize two oxygen sensors-one before and one after the Catalytic Converter-to assess converter efficiency by comparing oxygen levels in the exhaust gases. Four-cylinder models feature one upstream and one downstream heated oxygen sensor, while V6 models have four heated sensors, with two for each cylinder head and multiple catalysts. All sensors are heated to reduce warm-up time, and care must be taken during servicing to avoid damaging the permanently attached pigtail and electrical connector, as well as to keep contaminants away from the sensor. When replacing an oxygen sensor, it is advisable to warm the engine to ease removal, apply anti-seize compound to the threads if reusing an old sensor, and ensure proper torque during installation. After reconnecting the battery, the PCM must relearn its idle and fuel trim strategy for optimal performance.