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

In order to service the door lock cylinder, unscrew the exterior front door handle. Lift off the actuating rod, and lift off the clip and cylinder. Install lock repair kit and instructions to install the right lock and replace inoperative cylinders with the right lock. Uninstall Undo the process of removal.

How to service the door lock cylinder on Mercury Mariner?

To service the door lock cylinder, remove the exterior door handle reinforcement and the inoperative cylinder. Repair by discarding the old cylinder and using a lock repair package to build a new one matching the key code. Complete the installation by reversing the removal steps.

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35 Door Lock Cylinders found

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Mercury Ignition Lock Cylinder, Front Driver Side Part Number: 7C3Z-1521990-A
$49.00 MSRP: $70.10
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Product Specifications
- Other Name: Lock Cylinder - Less Keys; Front Left Door Lock Cylinder; Rear Liftgate & Tailgate Locks; Lock Cylinder; Lock Assembly; Lock Cylinder Assy; Lock Cylinder Less Keys; Door Lock Cylinder; Door Lock
- Position: Front Driver Side
- Replaces: F85Z-1521990-BA, 8L3Z-1521990-A, F85Z-1521990-BB
Fits the following Mercury Models:
- Monterey | 2004-2007 | Base, Convenience, Luxury, Premier | 6 Cyl 4.2 L GAS
- Mountaineer | 1997-2001 | Base | 6 Cyl 4.0 L GAS, 8 Cyl 5.0 L GAS
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Mercury Lock Cylinder, Rear Part Number: F8AZ5443262AA
$21.18 MSRP: $29.31
You Save: $8.13 (28%)
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Product Specifications
- Other Name: Cylinder Assembly - Actuating; Deck Lid Lock, Rear; Trunk Lock Cylinder; Door Lock Cylinder
- Position: Rear
Fits the following Mercury Models:
- Grand Marquis | 1996-1997 | GS, LS | 8 Cyl 4.6 L GAS
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Mercury Ignition Lock Cylinder Part Number: F1CZ-7422050-C
Product Specifications
- Other Name: Lockset - Complete Vehicle; Door Lock Cylinder; Lock Cylinder; Cylinder & Keys
Fits the following Mercury Models:
- Tracer | 1991-1993 | Base, LTS, Trio | 4 Cyl 1.8 L GAS, 4 Cyl 1.9 L GAS
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Mercury Lock Cylinder, Rear Part Number: 5F1Z-7443432-BA
Product Specifications
- Other Name: Lock Assembly; Liftgate Lock, Rear; Trunk Lock Cylinder; Door Lock Cylinder
- Position: Rear
- Replaces: 1F1Z-7443432-BA
Fits the following Mercury Models:
- Sable | 1996-2005 | GS, LS, LS Premium | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mercury Lock Cylinder, Front Part Number: 5F1Z-5421990-AA
Product Specifications
- Other Name: Cylinder Assembly - Actuating; Door Lock Cylinder, Front; Door Lock Cylinder; Lock
- Position: Front
Fits the following Mercury Models:
- Sable | 1996-2005 | G, GS, LS, LS Premium, Platinum Edition | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mercury Lock Cylinder Part Number: 6W3Z-5443262-A
Product Specifications
- Other Name: Cylinder Assembly - Lock; Trunk Lock Cylinder; Door Lock Cylinder
- Replaces: 3W3Z-5443262-BA
Fits the following Mercury Models:
- Grand Marquis | 2006-2011 | GS, LS | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS
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Mercury Cylinder & Keys Part Number: F1KY-5422050-E
Product Specifications
- Other Name: Lockset - Complete Vehicle; Ignition Lock Cylinder; Door Lock Cylinder
Fits the following Mercury Models:
- Tracer | 1991-1993 | Base, LTS, Trio | 4 Cyl 1.8 L GAS, 4 Cyl 1.9 L GAS
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Mercury Cylinder & Keys Part Number: F6XZ1222050GA
Product Specifications
- Other Name: Lock Set; Lock Cylinder With Keys
Fits the following Mercury Models:
- Villager | 1996 | GS, LS, Nautica | 6 Cyl 3.0 L GAS
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Mercury Ignition Lock Cylinder Part Number: F4CZ-7422050-B
Product Specifications
- Other Name: Lockset - Complete Vehicle; Door Lock Cylinder; Lock Cylinder; Cylinder & Keys
Fits the following Mercury Models:
- Tracer | 1994-1996 | Trio | 4 Cyl 1.9 L GAS
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Mercury Ignition Lock Cylinder Part Number: F87Z-7822050-EA
Product Specifications
- Other Name: Lock Cylinder With Keys
- Manufacturer Note: IGN, F/D, L/G, w/anti theft
- Replaced by: F87Z-7843432-CB
Fits the following Mercury Models:
- Mountaineer | 1998-2001 | Base | 6 Cyl 4.0 L GAS, 8 Cyl 5.0 L GAS
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Mercury Lock Cylinder Part Number: F8MZ-5443262-BB
Product Specifications
- Other Name: Cylinder Assembly - Actuator; Trunk Lock Cylinder; Door Lock Cylinder; Cylinder Assembly - Actuating
Fits the following Mercury Models:
- Grand Marquis | 1998-2002 | GS, LS | 8 Cyl 4.6 L GAS
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Mercury Lock Cylinder, Driver Side Part Number: 1F5Z-1221991-CA
Product Specifications
- Other Name: Cylinder Assembly - Lock; Door Lock Cylinder
- Manufacturer Note: Door - with antitheft
- Position: Driver Side
Fits the following Mercury Models:
- Villager | 1999-2002 | Base, Estate, Sport | 6 Cyl 3.3 L GAS
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Mercury Lock Cylinder Part Number: 2L8Z-7822050-YA
Product Specifications
- Other Name: Lockset - Complete Vehicle
Fits the following Mercury Models:
- Mariner | 2005-2007 | Base, Convenience, Hybrid, Luxury, Premier | 4 Cyl 2.3 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.3 L GAS, 6 Cyl 3.0 L GAS
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Mercury Lock Cylinder, Black, Driver Side Part Number: E1FZ6121985B
Product Specifications
- Other Name: Lockset - Complete Vehicle; Door Lock Cylinder; Cylinder & Keys; Cylinder
- Position: Driver Side
Fits the following Mercury Models:
- Capri | 1985-1986 | 5.0, GS, RS | 4 Cyl 2.3 L GAS, 6 Cyl 3.8 L GAS, 8 Cyl 5.0 L GAS
- Cougar | 1984-1986 | Base, LS, XR-7 | 4 Cyl 2.3 L GAS, 6 Cyl 3.8 L GAS, 8 Cyl 5.0 L GAS
- Lynx | 1984-1987 | Base, GL, GS, L, XR3 | 4 Cyl 1.6 L GAS, 4 Cyl 1.9 L GAS, 4 Cyl 2.0 L DIESEL
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Mercury Lock Cylinder, Passenger Side Part Number: F3XY1221984A
Product Specifications
- Other Name: Lock Set - Door Passenger Side; Door Lock Cylinder; Cylinder & Keys; Lockset - Complete Vehicle
- Position: Passenger Side
Fits the following Mercury Models:
- Villager | 1993-1995 | GS, LS, Nautica | 6 Cyl 3.0 L GAS
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Mercury Lock Cylinder, Driver Side Part Number: F3XY1221985A
Product Specifications
- Other Name: Lockset; Door Lock Cylinder; Cylinder & Keys; Lockset - Complete Vehicle
- Position: Driver Side
Fits the following Mercury Models:
- Villager | 1993-1995 | GS, LS, Nautica | 6 Cyl 3.0 L GAS
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Mercury Lock Cylinder Part Number: F5MY5443507A
Product Specifications
- Other Name: Lock Cylinder With Remote Release; Trunk Lock Cylinder; Door Lock Cylinder; Lock Assembly - Glove Compartment
Fits the following Mercury Models:
- Grand Marquis | 1995-1997 | GS, LS | 8 Cyl 4.6 L GAS
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Mercury Ignition Lock Cylinder Part Number: F87Z-7822050-DA
Product Specifications
- Other Name: Lock Cylinder With Keys
- Manufacturer Note: IGN, F/D, L/G, w/o anti theft
- Replaced by: F87Z-7843432-CB
Fits the following Mercury Models:
- Mountaineer | 1998-2001 | Base | 6 Cyl 4.0 L GAS, 8 Cyl 5.0 L GAS
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Mercury Lock Cylinder, Rear Part Number: F8DZ-5443262-DB
Product Specifications
- Other Name: Cylinder Assembly - Lock; Deck Lid Lock, Rear; Trunk Lock Cylinder; Door Lock Cylinder
- Manufacturer Note: Luggage Compartment , without anti,theft
- Position: Rear
Fits the following Mercury Models:
- Montego | 2005-2006 | Luxury, Premier | 6 Cyl 3.0 L GAS
- Sable | 1996-2005 | GS, LS, LS Premium, Platinum Edition | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mercury Lock Cylinder Part Number: F8DZ-5443262-EB
Product Specifications
- Other Name: Cylinder Assembly - Lock; Trunk Lock Cylinder; Door Lock Cylinder
Fits the following Mercury Models:
- Sable | 1996-1999 | GS, LS, LS Premium | 6 Cyl 3.0 L GAS

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Mercury Door Lock Cylinder Parts and Q&A

Lock Cylinder, Front Passenger Side
6W3Z-5421990-A
Q: How to service and repair a door lock cylinder on Mercury Grand Marquis?
A: In order to service the door lock cylinder, unscrew the exterior front door handle. Lift off the actuating rod, and lift off the clip and cylinder. Install lock repair kit and instructions to install the right lock and replace inoperative cylinders with the right lock. Uninstall Undo the process of removal.
Ignition Lock Cylinder, Front Driver Side
8E5Z-5421991-B
Q: How to service the door lock cylinder on Mercury Mariner?
A: To service the door lock cylinder, remove the exterior door handle reinforcement and the inoperative cylinder. Repair by discarding the old cylinder and using a lock repair package to build a new one matching the key code. Complete the installation by reversing the removal steps.