How to Service the Mass Air Flow Sensor on Mercury Cougar?

The service procedure for Mass Air Flow (MAF) sensor starts by removing electrical connector then disconnecting the air cleaner outlet tube from the sensor assembly. The installation process for MAF sensor service consists of performing the removal procedure in reverse after sensor removal.

How to Service the Mass Air Flow Sensor on Mercury Mariner?

The first step for servicing the mass air flow (MAF) sensor is disconnecting its electrical connector. The MAF sensor requires removal of its two securing screws before you can extract it from the system. You should install the new sensor by tightening its screws to 10 Nm (89 lb-in) following the opposite order of removal to finish the installation.

OEM Mercury Mass Air Flow Sensor

MAF Sensor Meter

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30 Mass Air Flow Sensors found

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Mercury Mass Air Flow Sensor Part Number: 3W7Z-12B579-BARM
$231.27 MSRP: $315.15
You Save: $83.88 (27%)
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Product Specifications
- Other Name: Remanufactured Sensor Assembly; MAF Sensor Assembly; MAF Sensor; Air Mass Sensor
- Replaces: 3W7Z-12B579-BA
Fits the following Mercury Models:
- Grand Marquis | 2003-2004 | GS, LS, LSE | 8 Cyl 4.6 L GAS
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Mercury Mass Air Flow Sensor Part Number: 1L2Z-12B579-ABRM
$231.27 MSRP: $315.15
You Save: $83.88 (27%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Remanufactured Sensor Assembly; MAF Sensor Assembly; Air Mass Sensor
- Replaces: 1L2Z-12B579-AAA, 1L2Z-12B579-AAARM
Fits the following Mercury Models:
- Mountaineer | 2002-2005 | Base, Convenience, Luxury, Premier | 8 Cyl 4.6 L GAS
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Mercury Mass Air Flow Sensor Part Number: F5RZ-12B579-BARM
$122.96 MSRP: $170.10
You Save: $47.14 (28%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Remanufactured Sensor Assembly; MAF Sensor Assembly; MAF Sensor; Air Mass Sensor
- Replaces: F5RZ-12B579-B
Fits the following Mercury Models:
- Cougar | 1999 | Base | 4 Cyl 2.0 L GAS
- Mystique | 1995-2000 | Base, GS, GS Spree, LS | 4 Cyl 2.0 L GAS
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Mercury Mass Air Flow Sensor Part Number: FOCZ-12B579-AARM
$23.50 MSRP: $32.51
You Save: $9.01 (28%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor Assembly; MAF Sensor Assembly; MAF Sensor; Air Mass Sensor
Fits the following Mercury Models:
- Tracer | 1991-1993 | Base, Trio | 4 Cyl 1.9 L GAS
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Mercury Mass Air Flow Sensor Part Number: F67Z-12B579-MRM
Product Specifications
- Other Name: Remanufactured Sensor Assembly; MAF Sensor Assembly; Air Mass Sensor
- Replaces: F67Z-12B579-EA, F67Z-12B579-EBRM, AFLS-124-RM
Fits the following Mercury Models:
- Sable | 1996-1999 | G, GS, LS, LS Premium | 6 Cyl 3.0 L GAS
- Tracer | 1996-1999 | Base, GS, LS, Trio | 4 Cyl 1.9 L GAS, 4 Cyl 2.0 L GAS
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Mercury Mass Air Flow Sensor Part Number: 1L2Z-12B579-ARM
Product Specifications
- Other Name: Remanufactured Sensor Assembly; Air Charge Temperature Sensor; MAF Sensor Assembly.; Air Mass Sensor
- Replaces: 1L2Z-12B579-BA, 1L2Z-12B579-BARM, XF2Z-12B579-AA, AFLS-154, XF2Z-12B579-ABRM
Fits the following Mercury Models:
- Mariner | 2005-2007 | Luxury, Premier | 6 Cyl 3.0 L GAS
- Mountaineer | 1999-2005 | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 5.0 L GAS
- Sable | 2000-2003 | LS, LS Premium | 6 Cyl 3.0 L GAS
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Mercury Mass Air Flow Sensor Part Number: F2VZ-12B579-AARM
Product Specifications
- Other Name: Remanufactured Sensor Assembly; MAF Sensor Assembly; MAF Sensor; Air Mass Sensor
- Replaces: F2VY-12B579-A
Fits the following Mercury Models:
- Grand Marquis | 1993-1994 | GS, LS | 8 Cyl 4.6 L GAS
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Mercury Mass Air Flow Sensor Part Number: XW4Z-12B579-ABRM
Product Specifications
- Other Name: Sensor Assembly; MAF Sensor Assembly; Air Mass Sensor; MAF Sensor
- Replaces: XW4Z-12B579-AARM, XW4Z-12B579-AA
Fits the following Mercury Models:
- Grand Marquis | 2000-2004 | GS, LS, LSE | 8 Cyl 4.6 L GAS
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Mercury Air Mass Sensor Part Number: F57Z-12B579-TRM
Product Specifications
- Other Name: Sensor Assembly; Mass Air Flow Sensor; MAF Sensor Assembly
Fits the following Mercury Models:
- Mountaineer | 1997-1998 | Base | 8 Cyl 5.0 L GAS
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Mercury Mass Air Flow Sensor Part Number: F23Z-12B579-AARM
Product Specifications
- Other Name: Sensor Assembly; MAF Sensor Assembly; Air Mass Sensor
Fits the following Mercury Models:
- Topaz | 1992-1994 | GS, LS, LTS, Sport | 4 Cyl 2.3 L GAS
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Mercury Mass Air Flow Sensor Part Number: F4SZ-12B579-AARM
Product Specifications
- Other Name: Remanufactured Sensor Assembly; MAF Sensor Assembly; MAF Sensor; Air Mass Sensor
- Replaces: F4SZ-12B579-A
Fits the following Mercury Models:
- Cougar | 1994-1995 | XR-7 | 6 Cyl 3.8 L GAS, 8 Cyl 4.6 L GAS
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Mercury Mass Air Flow Sensor Part Number: F57Z-12B579-CARM
Product Specifications
- Other Name: Sensor Assembly; MAF Sensor Assembly
Fits the following Mercury Models:
- Mountaineer | 1997 | Base | 8 Cyl 5.0 L GAS
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Mercury Air Mass Sensor Part Number: XS8Z-12B579-BBRM
Product Specifications
- Other Name: Sensor Assembly; Mass Air Flow Sensor; MAF Sensor Assembly; MAF Sensor
Fits the following Mercury Models:
- Cougar | 2000-2002 | Base | 4 Cyl 2.0 L GAS
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Mercury Mass Air Flow Sensor Part Number: F57Z-12B579-NRM
Product Specifications
- Other Name: Remanufactured Sensor Assembly; MAF Sensor Assembly; Air Mass Sensor
- Replaces: F57Z-12B579-DBRM, F57Z-12B579-DA, AFLS-119-RM
Fits the following Mercury Models:
- Mountaineer | 1998 | Base | 6 Cyl 4.0 L GAS
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Mercury Mass Air Flow Sensor Part Number: F1ZZ-12B579-AARM
Product Specifications
- Other Name: Remanufactured Sensor Assembly; MAF Sensor Assembly; MAF Sensor; Air Mass Sensor; Sensor
- Replaces: F1ZZ-12B579-A
Fits the following Mercury Models:
- Cougar | 1991-1993 | LS, XR-7 | 6 Cyl 3.8 L GAS, 8 Cyl 5.0 L GAS
- Sable | 1992-1995 | GS, LS | 6 Cyl 3.0 L GAS, 6 Cyl 3.8 L GAS
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Mercury Mass Air Flow Sensor Part Number: FO7Z-12B579-AARM
Product Specifications
- Other Name: Remanufactured Sensor Assembly; MAF Sensor Assembly; MAF Sensor; Air Mass Sensor
- Replaces: FOTZ-12B579-A
Fits the following Mercury Models:
- Grand Marquis | 1992-1993 | GS, LS | 8 Cyl 4.6 L GAS
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Mercury Mass Air Flow Sensor Part Number: 1SDZ-12B579-BBRM
Product Specifications
- Other Name: Remanufactured Sensor Assembly; MAF Sensor; Air Mass Sensor
- Replaces: 1SDZ-12B579-BARM, XF2Z-12B579-BA, XF2Z-12B579-BBRM
Fits the following Mercury Models:
- Sable | 2000-2003 | GS, LS, LS Premium | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mercury Mass Air Flow Sensor Part Number: 3W3Z-12B579-AARM
Product Specifications
- Other Name: Sensor Assembly; MAF Sensor Assembly; MAF Sensor; Air Mass Sensor
Fits the following Mercury Models:
- Grand Marquis | 2003-2004 | GS, LS, LSE | 8 Cyl 4.6 L GAS
- Marauder | 2003-2004 | Base | 8 Cyl 4.6 L GAS
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Mercury Mass Air Flow Sensor Part Number: F37Z-12B579-RRM
Product Specifications
- Other Name: Remanufactured Sensor Assembly; MAF Sensor Assembly; Air Mass Sensor
- Replaces: AFLS-108-RM, F37Z-12B579-F, F37Z-12B579-FARM
Fits the following Mercury Models:
- Sable | 1994-1995 | GS, LS, LTS | 6 Cyl 3.0 L GAS
- Tracer | 1994-1996 | Base, Trio | 4 Cyl 1.9 L GAS
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Mercury Mass Air Flow Sensor Part Number: F5RZ-12B579-CARM
Product Specifications
- Other Name: Sensor Assembly; MAF Sensor Assembly; Air Mass Sensor
Fits the following Mercury Models:
- Mystique | 1995-1997 | Base, GS, GS Spree, LS, LS Young America | 6 Cyl 2.5 L GAS

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Mercury Mass Air Flow Sensor

If you own Mercury and want to keep it in top shape, choosing OEM Mass Air Flow Sensor is a smart move. They are precisely engineered and follow strict factory standards. They are made in advanced facilities that use cutting edge technology. Each part goes through thorough testing to confirm strength and safety, so you can trust it. FordPartsDeal.com gives you genuine Mercury Mass Air Flow Sensor at some of the affordable online prices without cutting quality. Every OEM Mercury part includes the manufacturer's warranty, easy returns, and super-fast delivery. So why wait? Shop now and get your vehicle back to peak condition.

Mercury Mass Air Flow Sensor is a quick meter to ensure that the incoming air is clean and robust to mix the fuel. Mercury cut its own path by combining luxury touches with spacious cabins, silencing road noise and allowing drivers to drive with fingertips, all with sharp lines that made every mid-size yearn and that skill in blending smooth ride and wallet awareness kept the showrooms packed in 1939 and in customers headed to it in 2011, as other badges went with the times and forgot the simple pleasure of a relaxed drive. Mercury also crammed dashboards with transparent knobs, exposed cabins to more sunshine, and adjusted seat padding such that long journeys were shorter, which proved the badge sought to pursue calm and worth rather than flash. The Mass Air Flow Sensor is in the Mercury engine bay and it samples every gulp of air and sends immediate voltage to fuel so that it lands in pitch harmony. Mercury is confident in this Mass Air Flow Sensor due to the fact that the strip of hot wire that makes it respond within milliseconds avoids heat soak and cuts stalls or thirsty waves in scorching summers and freezing mornings. In cases where grime covers the Mass Air Flow Sensor, reading is affected and clean-up restores Mass Air Flow Sensor reading to its rightful place, but also brings throttle response to life.

Mercury Mass Air Flow Sensor Parts and Q&A

Mass Air Flow Sensor
F7RZ-12B579-VRM
Q: How to Service the Mass Air Flow Sensor on Mercury Cougar?
A:
The service procedure for Mass Air Flow (MAF) sensor starts by removing electrical connector then disconnecting the air cleaner outlet tube from the sensor assembly. The installation process for MAF sensor service consists of performing the removal procedure in reverse after sensor removal.
Mass Air Flow Sensor
3L3Z-12B579-BA
Q: How to Service the Mass Air Flow Sensor on Mercury Mariner?
A:
The first step for servicing the mass air flow (MAF) sensor is disconnecting its electrical connector. The MAF sensor requires removal of its two securing screws before you can extract it from the system. You should install the new sensor by tightening its screws to 10 Nm (89 lb-in) following the opposite order of removal to finish the installation.