Genuine Mercury Oxygen Sensors

Oxygen O2 Sensor

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88 Oxygen Sensors found

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Mercury Sensor - Hego
Part Number: XL3Z-9F472-AA
$67.32 MSRP: $111.27
You Save: $43.95 (40%)
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Product Specifications
- Position: Driver Side
Fits the following Mercury Models:
- Monterey | 2004-2007 | 6 Cyl 3.9L OHV EFI NA, 6 Cyl 4.2L OHV EFI | 4AT AX4N, Front-Wheel Drive (Left Hand Drive), Left Hand Drive
- Mountaineer | 2004-2010 | 6 Cyl 4.0L SOHC EFI, 8 Cyl 4.6L, 8 Cyl 4.6L Romeo SOHC EFI | 5-Speed Automatic Transmission 5R55S, 5-Speed Automatic Transmission 5R55W, 5-Speed Manual Transmission (M5R4), 6-Speed Automatic Transmission (6R80), 6-Speed Automatic Transmission 6R60, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Right Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Mercury 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
Fits the following Mercury Models:
- Mariner | 2011 | 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
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Mercury Sensor - Exhaust Gas - Oxygen
Part Number: BH6Z-9G444-A
$75.90 MSRP: $125.45
You Save: $49.55 (40%)
Ships in 1-2 Business Days
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Product Specifications
- Position: Lower
Fits the following Mercury Models:
- Milan | 2011 | 6 Cyl 3.5L DOHC VCT SMPI | 5-Speed Automatic Transmission Mazda FNR5, 5-Speed Manual Transmission (G5M), 6-Speed Automatic Transaxle - AWF21, 6-Speed Automatic Transmission 6F Mid-Range, 6-Speed Manual Transmission Mazda G6M, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
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Mercury Sensor Assembly
Part Number: F85Z-9G444-BA
$61.27 MSRP: $83.72
You Save: $22.45 (27%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Sensor Assy
- Position: Driver Side
Fits the following Mercury Models:
- Mountaineer | 2004-2010 | 6 Cyl 4.0L SOHC EFI, 8 Cyl 4.6L, 8 Cyl 4.6L Romeo SOHC EFI | 5-Speed Automatic Transmission 5R55S, 5-Speed Automatic Transmission 5R55W, 5-Speed Manual Transmission (M5R4), 6-Speed Automatic Transmission (6R80), 6-Speed Automatic Transmission 6R60, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Right Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Mercury Sensor - Hego
Part Number: 5L8Z-9F472-BA
$48.45 MSRP: $77.27
You Save: $28.82 (38%)
Ships in 1 Business Day
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Product Specifications
- Manufacturer Note: Rear
- Position: Front
Fits the following Mercury Models:
- Mariner | 2005-2010 | 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)
- Milan | 2006-2010 | 4 Cyl 2.3L, 4 Cyl 2.5L Duratec HE PFI, 6 Cyl 3.0L DOHC EFI | 5-Speed Automatic Transmission Mazda FNR5, 5-Speed Manual Transmission (G5M), 6-Speed Automatic Transaxle - AWF21, 6-Speed Automatic Transmission 6F Mid-Range, 6-Speed Manual Transmission Mazda G6M, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
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Mercury Sensor - Hego
Part Number: 9E5Z-9F472-E
$81.51 MSRP: $160.73
You Save: $79.22 (50%)
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Product Specifications
- Other Name: Oxygen Sensor, Upper Oxygen Sensor
Fits the following Mercury Models:
- Mariner | 2010-2011 | 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
- Milan | 2010-2011 | 4 Cyl 2.5L Duratec HE PFI | 6-Speed Automatic Transmission 6F Mid-Range, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
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Mercury 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
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Product Specifications
- Manufacturer Note: Rear
- Replaces: 5L8Z-9G444-H, 5L8Z-9G444-J
Fits the following Mercury Models:
- Mariner | 2007-2010 | 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
- Milan | 2007-2009 | 6 Cyl 3.0L DOHC EFI | 5-Speed Automatic Transmission Mazda FNR5, 5-Speed Manual Transmission (G5M), 6-Speed Automatic Transaxle - AWF21, 6-Speed Automatic Transmission 6F Mid-Range, 6-Speed Manual Transmission Mazda G6M, CVT Auto Trans Powersplit Elec, Front-Wheel Drive (Left Hand Drive), Left Hand Drive
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Mercury Sensor - Exhaust Gas - Oxygen
Part Number: BE5Z-9G444-C
$65.67 MSRP: $108.55
You Save: $42.88 (40%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Lower Oxygen Sensor, Oxygen Sensor
Fits the following Mercury Models:
- Milan | 2011 | 4 Cyl 2.5L Duratec HE PFI | 5-Speed Automatic Transmission Mazda FNR5, 5-Speed Manual Transmission (G5M), 6-Speed Automatic Transaxle - AWF21, 6-Speed Automatic Transmission 6F Mid-Range, 6-Speed Manual Transmission Mazda G6M, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
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Mercury Sensor Assembly
Part Number: YL8Z-9G444-CA
$54.56 MSRP: $90.18
You Save: $35.62 (40%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor Assy
- Position: Passenger Side
- Replaced by: 5L8Z-9G444-A
Fits the following Mercury Models:
- Mariner | 2005-2006 | 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)
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Mercury 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
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Product Specifications
- Other Name: Lower Oxygen Sensor, Oxygen Sensor
Fits the following Mercury Models:
- Mariner | 2011 | 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
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Mercury Sensor Assembly
Part Number: F5RZ-9F472-B
$62.18 MSRP: $84.97
You Save: $22.79 (27%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Sensor Assy; Oxygen Sensor
- Replaces: F5RZ-9F472-AA
Fits the following Mercury Models:
- Cougar | 1999 | 4 Cyl 2.0L, 6 Cyl 2.5L | 4AT CD4E, 5MT
- Mystique | 1995-1999 | 4 Cyl 2.0L, 6 Cyl 2.5L | 4AT CD4E, 5MT
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Mercury Sensor - Hego
Part Number: XC2Z-9F472-BB
$65.51 MSRP: $130.18
You Save: $64.67 (50%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Oxygen Sensor
Fits the following Mercury Models:
- Cougar | 1999-2002 | 4 Cyl 2.0L, 6 Cyl 2.5L | 4AT CD4E, 5MT
- Mystique | 1999-2000 | 4 Cyl 2.0L, 6 Cyl 2.5L | 4AT CD4E, 5MT
- Sable | 1999 | 6 Cyl 3.0L | 4AT AX4N, 4AT AX4S
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Mercury Sensor - Exhaust Gas - Oxygen
Part Number: BE5Z-9G444-D
$48.78 MSRP: $96.91
You Save: $48.13 (50%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Oxygen Sensor, Rear Oxygen Sensor
- Manufacturer Note: Rear
- Position: Passenger Side
Fits the following Mercury Models:
- Milan | 2011 | 6 Cyl 3.0L OHC Duratec | 5-Speed Automatic Transmission Mazda FNR5, 5-Speed Manual Transmission (G5M), 6-Speed Automatic Transaxle - AWF21, 6-Speed Automatic Transmission 6F Mid-Range, 6-Speed Manual Transmission Mazda G6M, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
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Mercury 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
Fits the following Mercury Models:
- Mariner | 2007 | 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
- Milan | 2007-2009 | 6 Cyl 3.0L DOHC EFI | 5-Speed Automatic Transmission Mazda FNR5, 5-Speed Manual Transmission (G5M), 6-Speed Automatic Transaxle - AWF21, 6-Speed Automatic Transmission 6F Mid-Range, 6-Speed Manual Transmission Mazda G6M, CVT Auto Trans Powersplit Elec, Front-Wheel Drive (Left Hand Drive), Left Hand Drive
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Mercury 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
Fits the following Mercury Models:
- Mariner | 2008 | 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
Mercury 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
Fits the following Mercury Models:
- Mariner | 2007-2008 | 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
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Mercury Sensor - Hego
Part Number: F4ZZ-9F472-B
$59.63 MSRP: $140.00
You Save: $80.37 (58%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Oxygen Sensor
Fits the following Mercury Models:
- Cougar | 1999-2002, 1995-1997 | 4 Cyl 2.0L, 6 Cyl 2.5L, 6 Cyl 3.8L, 8 Cyl 4.6L | 4AT, 4AT 4R70W, 4AT AODE, 4AT CD4E, 5MT
- Grand Marquis | 1995-2006 | 8 Cyl 4.6L | 4AT, 4AT 4R70W, 4AT AODE
- Mystique | 1995-2000 | 4 Cyl 2.0L, 6 Cyl 2.5L | 4AT CD4E, 5MT
- Sable | 1995-2005 | 6 Cyl 3.0L, 6 Cyl 3.8L | 4AT 4F50N, 4AT AX4N, 4AT AX4S, 6AT
- Tracer | 1995-1999 | 4 Cyl 1.8L, 4 Cyl 1.9L, 4 Cyl 2.0L | 4AT 4EAT, 4AT F4E-III, 4AT IF4E, 5MT
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Mercury Sensor - Hego
Part Number: F5MZ-9F472-DB
$27.89 MSRP: $38.11
You Save: $10.22 (27%)
Ships in 1-2 Business Days
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Fits the following Mercury Models:
- Cougar | 1999-2002, 1995-1997 | 4 Cyl 2.0L, 6 Cyl 2.5L, 6 Cyl 3.8L, 8 Cyl 4.6L | 4AT, 4AT 4R70W, 4AT AODE, 4AT CD4E, 5MT
- Grand Marquis | 1995-2006 | 8 Cyl 4.6L | 4AT, 4AT 4R70W, 4AT AODE
- Mystique | 1995-2000 | 4 Cyl 2.0L, 6 Cyl 2.5L | 4AT CD4E, 5MT
- Sable | 1995-2005 | 6 Cyl 3.0L, 6 Cyl 3.8L | 4AT 4F50N, 4AT AX4N, 4AT AX4S, 6AT
- Tracer | 1995-1999 | 4 Cyl 1.8L, 4 Cyl 1.9L, 4 Cyl 2.0L | 4AT 4EAT, 4AT F4E-III, 4AT IF4E, 5MT
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Mercury Sensor Assembly
Part Number: XF5Z-9G444-CA
$35.36 MSRP: $48.31
You Save: $12.95 (27%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor Assy
- Replaced by: XF5Z-9G444-DA
Fits the following Mercury Models:
- Villager | 1999-2000 | 6 Cyl 3.3L | 4AT 4F20E
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Mercury Sensor - Hego
Part Number: XF5Z-9F472-GA
$42.83 MSRP: $58.53
You Save: $15.70 (27%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Oxygen Sensor
Fits the following Mercury Models:
- Villager | 1999-2000 | 6 Cyl 3.3L | 4AT 4F20E

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Mercury Oxygen Sensors

We offer a wide variety of genuine Mercury Oxygen Sensors at competitive prices online. Our OEM Mercury Oxygen Sensors come with the assurance of a manufacturer's warranty, alongside a hassle-free return policy and prompt delivery service, ensuring a worry-free shopping experience.