How to service and repair the door lock cylinder on 2009 Mercury Grand Marquis?

Service and repairs of the door lock cylinder begin with exterior front door handle removal. The first step requires disconnecting both the door lock cylinder actuating rod followed by disconnecting any electrical connector connected to the door disarm switch. Take out the clip followed by the door lock cylinder. Production of new lock cylinders starts with discarding broken lock components before following instructions from lock repair packages to build units identical to original key codes. The procedure for installing a new lock cylinder requires performing the uninstallation steps in reverse order.

OEM 2009 Mercury Grand Marquis Door Lock Cylinder

Door Lock Cylinder Tumbler

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3 Door Lock Cylinders found

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2009 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 2009 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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2009 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
- 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 2009 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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2009 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
- Base No.: 43262
- Item Weight: 0.50 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 6W3Z-5443262-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2009 Mercury Grand Marquis Submodels:
- GS, LS | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS

2009 Mercury Grand Marquis Door Lock Cylinder

If you're seeking quality and affordability, look no further than our extensive inventory of genuine 2009 Mercury Grand Marquis Door Lock Cylinder available at FordPartsDeal.com. You can confidently purchase our OEM 2009 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.

2009 Mercury Grand Marquis Door Lock Cylinder Parts Questions & Experts Answers

Q: How to service and repair the door lock cylinder on 2009 Mercury Grand Marquis?
A: Service and repairs of the door lock cylinder begin with exterior front door handle removal. The first step requires disconnecting both the door lock cylinder actuating rod followed by disconnecting any electrical connector connected to the door disarm switch. Take out the clip followed by the door lock cylinder. Production of new lock cylinders starts with discarding broken lock components before following instructions from lock repair packages to build units identical to original key codes. The procedure for installing a new lock cylinder requires performing the uninstallation steps in reverse order.