How to Service the Heated Oxygen Sensors on Lincoln MKX?

Start the service of Heated Oxygen Sensor (HO2S) by first securing the vehicle on a hoist using NEUTRAL gear position. The electrical connector of the HO2S must be disconnected. Penetrating and lock lubricant serves to minimize resistance when removing the sensor by applying it to its threads. The Exhaust Gas Oxygen Sensor Socket enables you to remove the HO2S while following torque calculations for the specified torque level. Work through the following steps for new HO2S installation while applying light anti-seize lubrication to its threads then tight the sensor to 48 Nm (35 lb-ft). Continue by performing the removal steps in opposite order to finish the installation.

OEM Lincoln MKX Oxygen Sensors

Oxygen O2 Sensor

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9 Oxygen Sensors found

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Lincoln MKX Oxygen Sensor, Rear
Part Number: FL3Z-9G444-E
$37.44 MSRP: $59.45
You Save: $22.01 (38%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor - Exhaust Gas - Oxygen; Oxygen Sensor, Rear; Rear Oxygen Sensor; Lower Oxygen Sensor
- Position: Rear
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2016-2018 Lincoln MKX | Black Label, Premiere, Reserve, Select | 6 Cyl 2.7 L GAS
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Lincoln MKX Oxygen Sensor, Front Passenger Side
Part Number: FR3Z-9F472-A
$97.35 MSRP: $160.18
You Save: $62.83 (40%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Sensor - Hego; Oxygen Sensor, Front, Front Right; Wideband Air/Fuel Sensor; Air/Fuel Sensor; Front Oxygen Sensor; Upper Oxygen Sensor
- Manufacturer Note: RH/LH
- Position: Front Passenger Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2016-2018 Lincoln MKX | Black Label, Premiere, Reserve, Select | 6 Cyl 2.7 L GAS
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Lincoln MKX Oxygen Sensor, Rear
Part Number: FL3Z-9G444-A
$58.23 MSRP: $95.82
You Save: $37.59 (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
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2016-2018 Lincoln MKX | Black Label, Premiere, Reserve, Select | 6 Cyl 3.7 L GAS
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Lincoln MKX Oxygen Sensor, Front
Part Number: FB5Z-9F472-A
$67.74 MSRP: $111.45
You Save: $43.71 (40%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Sensor - Hego; Oxygen Sensor, Front, Front Left, Front Right; Wideband Air/Fuel Sensor; Air/Fuel Sensor; Front Oxygen Sensor; Upper Oxygen Sensor
- Manufacturer Note: Front Or Rear
- Position: Front
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2016-2018 Lincoln MKX | Black Label, Premiere, Reserve, Select | 6 Cyl 3.7 L GAS
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Lincoln MKX Oxygen Sensor, Front
Part Number: BL3Z-9F472-A
$133.71 MSRP: $220.00
You Save: $86.29 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor - Hego; Oxygen Sensor, Front, Front Right; Wideband Air/Fuel Sensor; Air/Fuel Sensor; Front Oxygen Sensor; Upper Oxygen Sensor
- Position: Front
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2012-2015 Lincoln MKX | Base | 6 Cyl 3.7 L GAS
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Lincoln MKX Oxygen Sensor, Rear Driver Side
Part Number: BH6Z-9G444-A
$68.51 MSRP: $112.73
You Save: $44.22 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor - Exhaust Gas - Oxygen; Oxygen Sensor, Rear, Rear Left; Rear Oxygen Sensor; Lower Oxygen Sensor
- Position: Rear Driver Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011-2015 Lincoln MKX | Base | 6 Cyl 3.7 L GAS
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Lincoln MKX Oxygen Sensor, Front
Part Number: 9E5Z-9F472-D
$104.42 MSRP: $171.82
You Save: $67.40 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor - Hego; Oxygen Sensor, Front; Wideband Air/Fuel Sensor; Air/Fuel Sensor; Front Oxygen Sensor; Upper Oxygen Sensor
- Position: Front
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011 Lincoln MKX | Base | 6 Cyl 3.7 L GAS
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Lincoln MKX Oxygen Sensor, Front
Part Number: 7T4Z-9F472-A
$62.43 MSRP: $102.73
You Save: $40.30 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor - Hego; Oxygen Sensor, Front; Front Oxygen Sensor; Upper Oxygen Sensor
- Position: Front
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2007-2010 Lincoln MKX | Base | 6 Cyl 3.5 L GAS
View related parts
Lincoln MKX Oxygen Sensor, Rear Driver Side
Part Number: 5F9Z-9G444-AB
$63.46 MSRP: $106.55
You Save: $43.09 (41%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor - Exhaust Gas - Oxygen; Oxygen Sensor, Rear, Rear Left; Rear Oxygen Sensor; Lower Oxygen Sensor
- Position: Rear Driver Side
- Replaces: 5F9Z-9G444-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2007-2010 Lincoln MKX | Base | 6 Cyl 3.5 L GAS

Lincoln MKX Oxygen Sensors

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Lincoln MKX Oxygen Sensors Parts Questions & Experts Answers

Oxygen Sensor, Rear Driver Side
5F9Z-9G444-AB
Q: How to Service the Heated Oxygen Sensors on Lincoln MKX?
A: Start the service of Heated Oxygen Sensor (HO2S) by first securing the vehicle on a hoist using NEUTRAL gear position. The electrical connector of the HO2S must be disconnected. Penetrating and lock lubricant serves to minimize resistance when removing the sensor by applying it to its threads. The Exhaust Gas Oxygen Sensor Socket enables you to remove the HO2S while following torque calculations for the specified torque level. Work through the following steps for new HO2S installation while applying light anti-seize lubrication to its threads then tight the sensor to 48 Nm (35 lb-ft). Continue by performing the removal steps in opposite order to finish the installation.