How to Service Oxygen Sensors on Mercury Cougar?

To maintain the Heated Oxygen Sensor ( HO2S ), then begin by disconnecting and removing the HO2S electrical connector. Next, loose the dipstick and the exhaust manifold heat shield. Afterward, take out the HO2S. The reverse of these is to install.

How to Service the Heated Oxygen Sensors (HO2S) on Mercury Cougar?

In order to service the Heated Oxygen Sensor (HO2S), begin by taking off the electrical connector. Then, pull the dipstick and the exhaust manifold exhaust shield and extract the HO2S. Installation To install, simply do the reverse steps during removal.

OEM Mercury Cougar Oxygen Sensors

Oxygen O2 Sensor

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9 Oxygen Sensors found

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Mercury Cougar Oxygen Sensor, Rear Driver Side Part Number: GU2Z-9G444-A
$56.02 MSRP: $92.18
You Save: $36.16 (40%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Sensor - Exhaust Gas - Oxygen; Oxygen Sensor, Front, Front Left, Front Right, Rear, Rear Left, Rear Right; Rear Oxygen Sensor; Front Oxygen Sensor; Upper Oxygen Sensor; Lower Oxygen Sensor; Sensor
- Position: Rear Driver Side
- Replaces: 1R3Z-9G444-BA, 1R3Z-9G444-AA, 5F9Z-9G444-BA, 5W6Z-9G444-BA, 5C5Z-9F472-AA, DY-1091, DY-1005, DY-1063, DY-1089, DY-649, DY-1086, DY-1104, F1TZ-9F472-A, F4DZ-9F472-A, F6DZ-9G444-AA, F88Z-9F472-AA, F78Z-9F472-BA, F75Z-9G444-BA, DY-1081, DY-1060, DY-800, DY-831, DY-832, F3UZ-9F472-A, F4DZ-9F472-B, F4ZZ-9F472-C, F4UZ-9F472-A, F78Z-9F472-AA, F7RZ-9G444-BA, DY-1040, XC2Z-9F472-BA, F1SZ-9F472-A, XR3Z-9G444-BB, F5WZ-9F472-BA, 5C5Z-9F472-BA, 6E5Z-9G444-AA, 5W6Z-9G444-AA, DY-1034, DY-1093, DY-1058, F1SZ-9F472-B, 6L7Z-9F472-BA, DY-761, F5AZ-9G444-B, F4SZ-9F472-A, F77Z-9F472-BA, F6DZ-9G444-B, DY-1039, F85Z-9G444-E, F5UZ-9F472-A, F75Z-9G444-AA, F88Z-9F472-AB, F4SZ-9F472-D, F8RZ-9G444-BB, F85Z-9G444-AA, F85Z-9G444-AB, F88Z-9F472-BA, DY-1053, XR3Z-9G444-JA, XC2Z-9F472-AA, DY-1038, DY-703, F6DZ-9G444-EA, F5MZ-9F472-AA, DY-1087, FOTZ-9F472-A, DY-1057, XR3Z-9G444-EA, XR3Z-9G444-HA, DY-661, DY-731
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2001-2002, 1992-1997 Mercury Cougar | Base, LS, XR-7 | 4 Cyl 2.0 L GAS, 6 Cyl 3.8 L GAS, 8 Cyl 5.0 L GAS
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Mercury Cougar Oxygen Sensor Part Number: F6RZ-9F472-AA
$4.54 MSRP: $6.28
You Save: $1.74 (28%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor Assembly
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999-2000 Mercury Cougar | Base | 4 Cyl 2.0 L GAS
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Mercury Cougar Oxygen Sensor Part Number: F1TZ-9F472-A
$56.02 MSRP: $92.18
You Save: $36.16 (40%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Sensor Assembly
- Replaced by: GU2Z-9G444-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1991 Mercury Cougar
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Mercury Cougar Oxygen Sensor Part Number: F5RZ-9F472-B
$52.08 MSRP: $72.05
You Save: $19.97 (28%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor Assembly
- Replaces: F5RZ-9F472-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999 Mercury Cougar | Base, V6 | 4 Cyl 2.0 L GAS, 6 Cyl 2.5 L GAS
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Mercury Cougar Oxygen Sensor Part Number: F6CZ-9G444-BA
$53.41 MSRP: $73.88
You Save: $20.47 (28%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor Assembly
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999 Mercury Cougar | Base, V6 | 4 Cyl 2.0 L GAS, 6 Cyl 2.5 L GAS
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Mercury Cougar Oxygen Sensor Part Number: F4ZZ-9F472-C
$56.02 MSRP: $92.18
You Save: $36.16 (40%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Sensor - Hego
- Replaced by: GU2Z-9G444-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1994-1997 Mercury Cougar | XR-7 | 8 Cyl 4.6 L GAS
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Mercury Cougar Oxygen Sensor Part Number: XC2Z-9F472-BB
$80.58 MSRP: $135.27
You Save: $54.69 (41%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor - Hego
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999-2002 Mercury Cougar | Base, S, V6 | 4 Cyl 2.0 L GAS, 6 Cyl 2.5 L GAS
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Mercury Cougar Oxygen Sensor Part Number: E6ZZ9F472A
Product Specifications
- Other Name: Sensor Assembly
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1987 Mercury Cougar | LS | 6 Cyl 3.8 L GAS
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Mercury Cougar Oxygen Sensor Part Number: XS2Z-9G444-AA
Product Specifications
- Other Name: Sensor Assembly; Rear Oxygen Sensor
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999-2002 Mercury Cougar | Base, S, V6 | 4 Cyl 2.0 L GAS, 6 Cyl 2.5 L GAS

Mercury Cougar Oxygen Sensors

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Mercury Cougar Oxygen Sensors Parts and Q&A

Oxygen Sensor, Rear Driver Side
GU2Z-9G444-A
Q: How to Service Oxygen Sensors on Mercury Cougar?
A: To maintain the Heated Oxygen Sensor ( HO2S ), then begin by disconnecting and removing the HO2S electrical connector. Next, loose the Dipstick and the exhaust manifold heat shield. Afterward, take out the HO2S. The reverse of these is to install.
Oxygen Sensor
XC2Z-9F472-BB
Q: How to Service the Heated Oxygen Sensors (HO2S) on Mercury Cougar?
A: In order to service the Heated Oxygen Sensor (HO2S), begin by taking off the electrical connector. Then, pull the Dipstick and the exhaust manifold exhaust shield and extract the HO2S. Installation To install, simply do the reverse steps during removal.