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

The procedure for repairing or servicing a door lock cylinder starts with handling the exterior front door handle for removal steps. Start by removing the door lock cylinder actuating rod followed by the disconnecting of any door disarm switch electrical connectors that exist. The service process starts with unclipping the door lock cylinder and extracting it from the vehicle. Each cylinder requires replacement by discarding the malfunctioning unit and proceeding to build a standard lock cylinder with materials contained in the lock repair package according to detailed instructions for key-code alignment. Follow the opposite method used in the removal step to finish the installation process.

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, Rear
Part Number: F8AZ5443262AA
$21.18 MSRP: $29.31
You Save: $8.13 (28%)
Ships in 1-2 Business Days
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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, 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
ADD TO CART
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
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
View related parts
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

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Mercury Grand Marquis Door Lock Cylinder Parts Questions & Experts Answers

Lock Cylinder, Front Driver Side
6W3Z-5421991-A
Q: How to service and repair the door lock cylinder on Mercury Grand Marquis?
A: The procedure for repairing or servicing a door lock cylinder starts with handling the exterior front Door Handle for removal steps. Start by removing the door lock cylinder actuating rod followed by the disconnecting of any door disarm switch electrical connectors that exist. The service process starts with unclipping the door lock cylinder and extracting it from the vehicle. Each cylinder requires replacement by discarding the malfunctioning unit and proceeding to build a standard lock cylinder with materials contained in the lock repair package according to detailed instructions for key-code alignment. Follow the opposite method used in the removal step to finish the installation process.