How to service and repair a door lock cylinder on 2003 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.

OEM 2003 Mercury Grand Marquis Door Lock Cylinder

Door Lock Cylinder Tumbler

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2 Door Lock Cylinders found

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2003 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
- Base No.: 21991
- Item Weight: 0.30 Pounds
- Item Dimensions: 9.3 x 7.1 x 1.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 6W3Z-5421991-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2003 Mercury Grand Marquis Submodels:
- GS, GSL, Limited Edition, LS, LSE, Ultimate Edition | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS
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2003 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
- Base No.: 21990
- Item Weight: 0.40 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 6W3Z-5421990-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2003 Mercury Grand Marquis Submodels:
- GS, GSL, Limited Edition, LS, LSE, Ultimate Edition | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS

2003 Mercury Grand Marquis Door Lock Cylinder

If you're seeking quality and affordability, look no further than our extensive inventory of genuine 2003 Mercury Grand Marquis Door Lock Cylinder available at FordPartsDeal.com. You can confidently purchase our OEM 2003 Mercury Grand Marquis Door Lock Cylinder as they are supported by the manufacturer's warranty and our hassle-free return policy, alongside the benefit of our fast delivery service.

2003 Mercury Grand Marquis Door Lock Cylinder Parts Q&A

Q: How to service and repair a door lock cylinder on 2003 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.