How to Service Oxygen Sensor 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 Sensor

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
$57.57 MSRP: $94.73
You Save: $37.16 (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
- Position: Rear Driver Side
- Replaces: F1TZ-9F472-A, F85Z-9G444-AA, F88Z-9F472-AA, 1R3Z-9G444-AA, 1R3Z-9G444-BA, DY-1081, F4DZ-9F472-A, 5C5Z-9F472-AA, 5C5Z-9F472-BA, 5F9Z-9G444-BA, 5W6Z-9G444-BA, 6E5Z-9G444-AA, F85Z-9G444-AB, F85Z-9G444-E, F88Z-9F472-AB, 6L7Z-9F472-BA, 5W6Z-9G444-AA, DY-1091, DY-1086, DY-1087, DY-1053, DY-1060, DY-800, DY-831, DY-832, DY-1034, DY-661, DY-731, DY-1040, F4SZ-9F472-A, DY-1057, DY-1104, DY-1039, F1SZ-9F472-B, DY-1038, DY-1089, DY-1093, DY-649, DY-1063, DY-1005, DY-761, F1SZ-9F472-A, DY-703, F3UZ-9F472-A, F4ZZ-9F472-C, F5AZ-9G444-B, F4SZ-9F472-D, F6DZ-9G444-B, F4UZ-9F472-A, F5UZ-9F472-A, F4DZ-9F472-B, F78Z-9F472-AA, F7RZ-9G444-BA, F75Z-9G444-AA, F5WZ-9F472-BA, F6DZ-9G444-AA, F88Z-9F472-BA, F75Z-9G444-BA, F77Z-9F472-BA, F8RZ-9G444-BB, F5MZ-9F472-AA, F78Z-9F472-BA, DY-1058, F6DZ-9G444-EA, FOTZ-9F472-A, XR3Z-9G444-EA, XC2Z-9F472-BA, XR3Z-9G444-JA, XR3Z-9G444-HA, XR3Z-9G444-BB, XC2Z-9F472-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999-2002 Mercury Cougar | 2.0L L4, 2.5L V6
- 1990-1997 Mercury Cougar | XR-7 | 3.8L V6, 4.6L V8, 5.0L V8, 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
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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: F4ZZ-9F472-C
$57.57 MSRP: $94.73
You Save: $37.16 (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: F1TZ-9F472-A
$57.57 MSRP: $94.73
You Save: $37.16 (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
ADD TO CART
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: F6RZ-9F472-AA
$4.54 MSRP: $6.28
You Save: $1.74 (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:
- 1999-2000 Mercury Cougar | Base | 4 Cyl 2.0 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
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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

Mercury Cougar Oxygen Sensor

OEM Oxygen Sensor 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 Sensor 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 Sensor Parts and Q&A

Oxygen Sensor, Rear Driver Side
GU2Z-9G444-A
Q: How to Service Oxygen Sensor 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.