How to service and repair a door lock cylinder on Mercury Grand Marquis?

The procedure for repairing the door lock cylinder starts with taking off the exterior front door handle. You need to disconnect the door lock cylinder actuating rod before taking out the clip and the door lock cylinder. A new lock cylinder is built for individual units through the use of appropriate lock repair packages containing both installation instructions and the necessary components to match current key codes. The installation process should follow the reverse steps of removal.

OEM Mercury Grand Marquis Door Lock Cylinder

Door Lock Cylinder Tumbler

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6 Door Lock Cylinders found

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Mercury Grand Marquis Lock Cylinder, Front Driver Side Part Number: 6W3Z-5421991-A
$86.35 MSRP: $132.88
You Save: $46.53 (36%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Cylinder Assembly - Lock; Door Lock Cylinder, Front Left; Lock Cylinder Assy; Door Lock Cylinder
- Manufacturer Note: LH - door
- Position: Front Driver Side
- Replaces: F6AZ-5421991-AA, F8AZ-5421991-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1996-2011 Mercury Grand Marquis | GS, GSL, Limited Edition, LS, LSE, Ultimate Edition | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS
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Mercury Grand Marquis Lock Cylinder, Front Passenger Side Part Number: 6W3Z-5421990-A
$65.72 MSRP: $101.13
You Save: $35.41 (36%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Cylinder Assembly - Actuating; Door Lock Cylinder, Front Right; Door Lock Cylinder
- Position: Front Passenger Side
- Replaces: F6AZ-5421990-AA, F8AZ-5421990-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1996-2011 Mercury Grand Marquis | GS, GSL, Limited Edition, LS, LSE, Ultimate Edition | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS
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Mercury Grand Marquis Lock Cylinder, Rear Part Number: F8AZ5443262AA
Product Specifications
- Other Name: Cylinder Assembly - Actuating; Deck Lid Lock, Rear; Trunk Lock Cylinder; Door Lock Cylinder
- Position: Rear
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1996-1997 Mercury Grand Marquis | GS, LS | 8 Cyl 4.6 L GAS
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Mercury Grand Marquis Lock Cylinder Part Number: F8MZ-5443262-BB
Product Specifications
- Other Name: Cylinder Assembly - Actuator; Trunk Lock Cylinder; Door Lock Cylinder; Cylinder Assembly - Actuating
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1998-2002 Mercury Grand Marquis | GS, LS | 8 Cyl 4.6 L GAS
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Mercury Grand Marquis Lock Cylinder Part Number: F5MY5443507A
Product Specifications
- Other Name: Lock Cylinder With Remote Release; Trunk Lock Cylinder; Door Lock Cylinder; Lock Assembly - Glove Compartment
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1995-1997 Mercury Grand Marquis | GS, LS | 8 Cyl 4.6 L GAS
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Mercury Grand Marquis Lock Cylinder Part Number: 6W3Z-5443262-A
Product Specifications
- Other Name: Cylinder Assembly - Lock; Trunk Lock Cylinder; Door Lock Cylinder
- Replaces: 3W3Z-5443262-BA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2011 Mercury Grand Marquis | GS, LS | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS

Mercury Grand Marquis Door Lock Cylinder

OEM Door Lock Cylinder 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 Door Lock Cylinder with long life and a perfect fit. Come to our website and find genuine Mercury Grand Marquis parts. We keep a wide inventory of OEM Grand Marquis 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.

The Mercury Grand Marquis Door Lock Cylinder is a crucial part that however holds a lot of reliability and performance in the market. Built to uniquely engage with the lock and unlock the doors of different Grand Marquis models the Door Lock Cylinder offers a steady access to the vehicle's interior, still a worthy aspect as many new vehicles switch to the use of buttons instead of handles for door unlocking. Mercury Grand Marquis is a popular car model that was manufactured between 1975 and 2011, and its durability is attributed to the performance of among them the Door Lock Cylinder. The Door Lock Cylinder should be frequently checked and maintained because the wear takes its toll on the lock's functioning - the key may get lodged or will not turn at all. A defective Door Lock Cylinder may minimize the effectiveness of the Mercury Grand Marquis and decrease its safety, but the problem can be solved immediately by the owners. This part can also be installed in previous generation and the latest Grand Marquis making sure that all their owners can have the same level of security and convenience. Of particular interest is the fact that the Door Lock Cylinder is easy to install while at the same time boasting of a rather strong make, something that should be expected given that it is from Mercury. The Mercury Grand Marquis Door Lock Cylinder is functional and reliable which contributes to the security and sometimes the driving experience of the vehicle for it is an essential component in the Grand Marquis series.

Mercury Grand Marquis Door Lock Cylinder Parts and Q&A

Lock Cylinder, Front Driver Side
6W3Z-5421991-A
Q: How to service and repair a door lock cylinder on Mercury Grand Marquis?
A:
The procedure for repairing the door lock cylinder starts with taking off the exterior front Door Handle. You need to disconnect the door lock cylinder actuating rod before taking out the clip and the door lock cylinder. A new lock cylinder is built for individual units through the use of appropriate lock repair packages containing both installation instructions and the necessary components to match current key codes. The installation process should follow the reverse steps of removal.