How to Address Issues with the Front Door Latch Assembly on a Mercury Cougar?

Disconnect the battery ground cable, remove the door trim panel and peel back the watershield in order to service the front door latch. Disconnect the electrical connector, the lock and the door handle actuator rods and screw out the latch. Invert the re-installation process.

How to service and repair the front Door Latch Assembly on Mercury Cougar?

To maintain the front door latch, disconnect battery ground cable, door trim panel and peel watershield. Loosen the screws of the latch, de-connect the lock and door handle actuator rods, electrical connector, and disconnect the screws of the latch. To install, reverse the un-installation process.

OEM Mercury Cougar Door Latch Assembly

Door Latch

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4 Door Latch Assemblys found

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Mercury Cougar Latch Assembly, Front Passenger Side Part Number: 5S4Z-5421812-D
$350.38 MSRP: $480.73
You Save: $130.35 (28%)
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Product Specifications
- Other Name: Lock Assembly - Door; Door Latch Assembly, Front Right; Door Lock; Lock; Door Latch Assembly
- Position: Front Passenger Side
- Replaces: 4S4Z-5421812-BB, 4S4Z-5421812-AB, 4S4Z-5421812-CA, 5S4Z-5421812-C
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999-2002 Mercury Cougar | Base, S, V6 | 4 Cyl 2.0 L GAS, 6 Cyl 2.5 L GAS
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Mercury Cougar Latch Assembly, Front Driver Side Part Number: 6S4Z-5421813-D
$131.53 MSRP: $191.45
You Save: $59.92 (32%)
Product Specifications
- Other Name: Lock Assembly - Door; Door Latch Assembly, Front Left; Door Lock; Lock; Door Latch Assembly
- Position: Front Driver Side
- Replaces: 4S4Z-5421813-BB, 4S4Z-5421813-CB, 6S4Z-5421813-C, 4S4Z-5421813-AB
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999-2002 Mercury Cougar | Base, S, V6 | 4 Cyl 2.0 L GAS, 6 Cyl 2.5 L GAS
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Mercury Cougar Lock, Driver Side Part Number: F8SZ-6321813-A
Product Specifications
- Other Name: Latch; Door Latch Assembly; Door Lock
- Position: Driver Side
- Replaces: F8SZ-6321813-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1989-1997 Mercury Cougar | LS, XR-7 | 6 Cyl 3.8 L GAS, 8 Cyl 4.6 L GAS, 8 Cyl 5.0 L GAS
View related parts
Mercury Cougar Lock, Passenger Side Part Number: F8SZ-6321812-A
Product Specifications
- Other Name: Latch; Door Latch Assembly; Door Lock
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1989-1997 Mercury Cougar | LS, XR-7 | 6 Cyl 3.8 L GAS, 8 Cyl 4.6 L GAS, 8 Cyl 5.0 L GAS

Mercury Cougar Door Latch Assembly

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Mercury Cougar Door Latch Assembly Parts and Q&A

Latch Assembly, Front Passenger Side
5S4Z-5421812-D
Q: How to Address Issues with the Front Door Latch Assembly on a Mercury Cougar?
A: Disconnect the battery ground cable, remove the door trim panel and peel back the watershield in order to service the front door latch. Disconnect the electrical connector, the lock and the door handle actuator rods and screw out the latch. Invert the re-installation process.
Latch Assembly, Front Driver Side
6S4Z-5421813-D
Q: How to service and repair the front Door Latch Assembly on Mercury Cougar?
A: To maintain the front door latch, disconnect battery ground cable, door trim panel and peel watershield. Loosen the screws of the latch, de-connect the lock and door handle actuator rods, electrical connector, and disconnect the screws of the latch. To install, reverse the un-installation process.