How to remove and replace the brake master cylinder on Mercury Grand Marquis?

In order to change the brake master cylinder, disconnect the brake tube fitting and fluid level switch, loosen the cylinder nuts and wiring bracket. Re-Installation is by reversing the steps and bleeding the system. Clean brake fluid, spills, and safety instructions can help avoid injury.

How to service and repair the brake master cylinder on Mercury Cougar?

To maintain brake master cylinder, preserve brake fluid paint. Take off reservoir cap, discharge the reservoir and unhook up hose required. Take out the master cylinder assembly, unscrew the reservoir and disregard old seals. Fit new seals, wiping down and reverse the process. Lastly, drain the brakes.

OEM Mercury Brake Master Cylinder

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56 Brake Master Cylinders found

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Mercury Master Cylinder Part Number: 9L8Z-2140-A
$147.65 MSRP: $242.95
You Save: $95.30 (40%)
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Product Specifications
- Other Name: Kit - Master Cylinder Repair; Brake Master Cylinder
Fits the following Mercury Models:
- Mariner | 2009-2011 | Base, Premier | 4 Cyl 2.5 L GAS, 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mercury Master Cylinder Part Number: 8L2Z-2140-B
$134.81 MSRP: $221.82
You Save: $87.01 (40%)
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Product Specifications
- Other Name: Kit - Master Cylinder Repair; Brake Master Cylinder; Brake Reservoir; Master Cylinder Assembly
- Manufacturer Note: Service Kit
- Replaces: 6L2Z-2140-B
Fits the following Mercury Models:
- Mountaineer | 2006-2010 | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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Mercury Master Cylinder Part Number: F7AZ-2140-AA
$132.89 MSRP: $180.84
You Save: $47.95 (27%)
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Product Specifications
- Other Name: Cylinder Assembly - Master; Brake Master Cylinder
Fits the following Mercury Models:
- Grand Marquis | 1997-2002 | GS, LS | 8 Cyl 4.6 L GAS
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Mercury Master Cylinder Part Number: F87Z-2004-B
$151.59 MSRP: $206.29
You Save: $54.70 (27%)
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Product Specifications
- Other Name: Kit - Master Cylinder Repair; Brake Master Cylinder
- Replaces: F87Z-2140-EB
Fits the following Mercury Models:
- Mountaineer | 1998-2002 | Base | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS, 8 Cyl 5.0 L GAS
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Mercury Master Cylinder Part Number: 9L2Z-2004-A
$293.46 MSRP: $487.27
You Save: $193.81 (40%)
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Product Specifications
- Other Name: Kit - Master Cylinder Repair; Brake Master Cylinder
- Replaces: F57Z-2140-B, F67Z-2140-JA
Fits the following Mercury Models:
- Mountaineer | 1997 | Base | 8 Cyl 5.0 L GAS
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Mercury Master Cylinder Part Number: 6L5Z-2140-BA
$209.48 MSRP: $289.79
You Save: $80.31 (28%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Cylinder Assembly - Master; Brake Master Cylinder
- Replaces: 3L2Z-2140-BB
Fits the following Mercury Models:
- Mountaineer | 2002-2005 | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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Mercury Master Cylinder Part Number: 6W1Z-2140-AA
Product Specifications
- Other Name: Cylinder Assembly - Master; Brake Master Cylinder
- Manufacturer Note: w/ Traction Control - less IVD
- Replaces: 1W1Z-2140-AA
Fits the following Mercury Models:
- Grand Marquis | 2001-2011 | GS, GSL, Limited Edition, LS, LSE, Ultimate Edition | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS
- Marauder | 2003-2004 | Base | 8 Cyl 4.6 L GAS
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Mercury Master Cylinder Part Number: 2F2Z-2140-AA
Product Specifications
- Other Name: Cylinder Assembly - Master; Brake Master Cylinder
- Manufacturer Note: Master cylinder, w/ IVD
Fits the following Mercury Models:
- Monterey | 2004-2005 | Base, Convenience, Luxury, Premier | 6 Cyl 4.2 L GAS
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Mercury Master Cylinder Part Number: 5M6Z-2140-B
Product Specifications
- Other Name: Cylinder Assembly - Master; Brake Master Cylinder
- Replaces: 5M6Z-2140-AA
Fits the following Mercury Models:
- Mariner | 2006-2007 | Hybrid | 4 Cyl 2.3 L FULL HYBRID EV-GAS (FHEV)
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Mercury Master Cylinder Part Number: 8M6Z-2140-A
Product Specifications
- Other Name: Cylinder Assembly - Master; Brake Master Cylinder
Fits the following Mercury Models:
- Mariner | 2008 | Hybrid | 4 Cyl 2.3 L FULL HYBRID EV-GAS (FHEV)
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Mercury Master Cylinder Part Number: F5AZ-2140-D
Product Specifications
- Other Name: Cylinder Assembly - Master; Brake Master Cylinder
Fits the following Mercury Models:
- Grand Marquis | 1995-1996 | GS, LS | 8 Cyl 4.6 L GAS
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Mercury Master Cylinder Part Number: 9E5Z-2140-B
Product Specifications
- Other Name: Kit - Master Cylinder Repair; Brake Master Cylinder
Fits the following Mercury Models:
- Milan | 2010-2011 | Hybrid | 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV)
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Mercury Master Cylinder Part Number: 3F1Z-2140-AA
Product Specifications
- Other Name: Cylinder Assembly - Master; Brake Master Cylinder
- Replaces: F7DZ-2140-AA
Fits the following Mercury Models:
- Sable | 1997-2003 | GS, LS, LS Premium | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mercury Master Cylinder Part Number: 3F1Z-2140-BA
Product Specifications
- Other Name: Cylinder Assembly - Master; Brake Master Cylinder
- Manufacturer Note: Includes reservoir & cap, ABS with Traction assist
- Replaces: YF1Z-2140-AA
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 Master Cylinder Part Number: 4F1Z-2140-BA
Product Specifications
- Other Name: Cylinder Assembly - Master; Brake Master Cylinder
- Manufacturer Note: Includes reservoir & cap, ABS with Traction assist
Fits the following Mercury Models:
- Sable | 2003-2005 | GS, LS, LS Premium, Platinum Edition | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mercury Master Cylinder Part Number: 4F9Z-2140-BA
Product Specifications
- Other Name: Cylinder Assembly - Master; Brake Master Cylinder
Fits the following Mercury Models:
- Montego | 2005-2007 | Luxury, Premier | 6 Cyl 3.0 L GAS
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Mercury Master Cylinder Part Number: 5F9Z-2140-CA
Product Specifications
- Other Name: Cylinder Assembly - Master; Brake Master Cylinder
Fits the following Mercury Models:
- Montego | 2005-2007 | Luxury, Premier | 6 Cyl 3.0 L GAS
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Mercury Master Cylinder Part Number: 6F2Z-2140-AA
Product Specifications
- Other Name: Cylinder Assembly - Master; Brake Master Cylinder
Fits the following Mercury Models:
- Monterey | 2004-2007 | Base, Convenience, Luxury, Premier | 6 Cyl 4.2 L GAS
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Mercury Master Cylinder Part Number: 6F2Z-2140-CA
Product Specifications
- Other Name: Cylinder Assembly - Master; Brake Master Cylinder
Fits the following Mercury Models:
- Monterey | 2005-2007 | Convenience, Luxury, Premier | 6 Cyl 4.2 L GAS
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Mercury Master Cylinder Part Number: 6L8Z-2140-D
Product Specifications
- Other Name: Kit - Master Cylinder; Brake Master Cylinder; Kit - Master Cylinder Repair
Fits the following Mercury Models:
- Mariner | 2005-2006 | Base, Convenience, Luxury, Premier | 4 Cyl 2.3 L GAS, 6 Cyl 3.0 L GAS

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Mercury Brake Master Cylinder Parts and Q&A

Master Cylinder
6W1Z-2140-AA
Q: How to remove and replace the brake master cylinder on Mercury Grand Marquis?
A: In order to change the brake master cylinder, disconnect the brake tube fitting and fluid level switch, loosen the cylinder nuts and wiring bracket. Re-Installation is by reversing the steps and bleeding the system. Clean brake fluid, spills, and safety instructions can help avoid injury.
Master Cylinder
F7RZ-2140-BA
Q: How to service and repair the brake master cylinder on Mercury Cougar?
A: To maintain brake master cylinder, preserve brake fluid paint. Take off reservoir cap, discharge the reservoir and unhook up hose required. Take out the master cylinder assembly, unscrew the reservoir and disregard old seals. Fit new seals, wiping down and reverse the process. Lastly, drain the brakes.