How to Service Oxygen Sensors on Mercury Cougar?

Service of the Heated Oxygen Sensor (HO2S) requires users to first unplug its electrical connector and then remove the HO2S from its position. The first step requires users to disconnect both the dipstick and exhaust manifold heat shield. After that, remove the HO2S. Successive steps for HO2S implementation consist of following removal directions in reverse order.

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%)
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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
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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 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
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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
$61.73 MSRP: $103.64
You Save: $41.91 (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

OEM Oxygen Sensors boasts unmatched quality. Each part goes through full quality checks. They adhere to Mercury'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 Mercury Cougar parts. We keep a wide inventory of OEM Cougar 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.

Mercury Cougar Oxygen Sensors are vital standard equipments which play critical role in improving performance and reliability of Mercury Cougar automobiles. Credibly known for their durability, these Oxygen Sensors check the randomness of unburned oxygen in the exhaust and adjust the air-fuel equivalence ration for enhanced efficiency and minimized emission. Mercury Cougars, in particular, can include zirconium dioxide based Oxygen Sensors, of narrow-band and wideband model. The sensors include the narrow-band which gives rich/lean signals and the wide-band that give the broader signals of air-fuel mixtures for accuracy in fuel injector timing. This flexibility is vital in meeting emission requirement as well as improving general vehicle safety. The Mercury Cougar is a renowned model introduced by the Mercury division of Ford, with a production history of near about 35 years and Oxygen Sensors have always been instrumental in this complimentary story of the car. This Oxygen Sensors is compatible with different generations of Cougar, thus many drivers can use it with confidence of proper fitment. Also, the long life of Mercury Cougar Oxygen Sensors doesn't allow to have a degradation by contaminants that does harm the emissions and decreases the fuel efficiency. Through their function to ensure that the data given is correct and to contribute towards efficient functioning of the engines, Mercury Cougar Oxygen Sensors are among the prime in the Mercury market-aligning them to the corporate goal of the company: excellence. Therefore, the Oxygen Sensors are critical for any owner of Mercury Cougar out there that wants his car to be safe and efficient.

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:
Service of the Heated Oxygen Sensor (HO2S) requires users to first unplug its electrical connector and then remove the HO2S from its position. The first step requires users to disconnect both the Dipstick and exhaust manifold heat shield. After that, remove the HO2S. Successive steps for HO2S implementation consist of following removal directions in reverse order.