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

The starting point for servicing the front door latch requires exterior front door handle removal before you loosen the exterior door handle reinforcement screw to allow it to slide out. You should begin by removing the interior door handle after clipping it loose. First disconnect the cable conduit along with the door latch cable. The service procedure starts by removing three front door latch bolts before installation where new bolt torque should be set at 8 Nm (71 lb-in). The door latch electrical connector should be disconnected before sliding out the door latch assembly towards the vehicle front. Reverse the removal steps and then apply lubrication to all surfaces between the door latch and striker upon completion of the installation.

How to Service and Repair the Front Door Latch Assembly on Mercury Cougar?

Service and repair procedures for the front door latch demand the removal of the battery ground cable first. Start by taking out the door trim panel and proceed to peel away the watershield but avoid touching the adhesive surface which will prevent re-bonding issues. Begin the door actuator rod and the lock cylinder actuator rod separations by rotating the clip clockwise ninety degrees followed by rod detachment steps. After disconnecting the electrical connector you should remove the latch screws to take out the latch. The latch cable needs to be detaching by rotating its position and breaking its connection. The reverse steps of removal should be followed during the installation process.

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

Service and repair operations on the front door latch start with removal of both the front door trim panel along with the watershield. Proceed by removing the screw followed by moving the door latch release handle in order to separate it from the rod. You can release the actuating rod by opening the clip before disconnecting the door lock cylinder rod and the electrical connectors. First disconnect the electrical connector and afterward take out the rivet together with screws until the door lock actuator can be removed from the latch. Finally, remove the door latch. The reverse order of steps will be used to reassemble the parts.

OEM Mercury Door Latch Assembly

Door Latch

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115 Door Latch Assemblys found

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Mercury Latch Assembly, Front Passenger Side
Part Number: 6C2Z-1521812-A
$138.65 MSRP: $213.97
You Save: $75.32 (36%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Latch; Door Latch Assembly, Front Right; Door Lock; Lock; Door Latch Assembly
- Position: Front Passenger Side
- Replaces: 4C2Z-1521812-AA
Fits the following Mercury Models:
- Sable | 2000-2005 | GS, LS, LS Premium, Platinum Edition | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mercury Latch Assembly, Rear Passenger Side
Part Number: F77Z-7826412-B
$60.03 MSRP: $92.22
You Save: $32.19 (35%)
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Product Specifications
- Other Name: Latch; Door Latch Assembly, Rear Right; Door Latch Assembly; Door Lock; Lock
- Position: Rear Passenger Side
Fits the following Mercury Models:
- Mountaineer | 1997-2001 | Base | 6 Cyl 4.0 L GAS, 8 Cyl 5.0 L GAS
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Mercury Latch Assembly, Front Driver Side
Part Number: 6C2Z-1521813-A
$113.65 MSRP: $165.43
You Save: $51.78 (32%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Latch; Door Latch Assembly, Front Left, Front Right; Door Lock; Lock; Door Latch Assembly
- Position: Front Driver Side
- Replaces: 4C2Z-1521813-AA
Fits the following Mercury Models:
- Monterey | 2004-2007 | Base, Convenience, Luxury, Premier | 6 Cyl 4.2 L GAS
- Sable | 1999-2005 | GS, LS, LS Premium, Platinum Edition | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mercury Control Assembly, Front Passenger Side
Part Number: AL2Z-78218A64-AB
$143.95 MSRP: $199.14
You Save: $55.19 (28%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Latch; Door Latch Assembly, Front Right; Body Control Module; Door Lock; Latch Assembly; Lock Module; Door Latch Assembly
- Position: Front Passenger Side
- Replaces: 6L2Z-78219A64-AA, 6L2Z-78219A64-AAA, 8L2Z-78218A64-AA, 9L2Z-78218A64-AA, AL2Z-78218A64-AA
Fits the following Mercury Models:
- Mountaineer | 2006-2010 | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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Mercury Lock Actuator, Rear Passenger Side
Part Number: BL8Z-7826412-B
$283.70 MSRP: $441.90
You Save: $158.20 (36%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Latch; Door Latch Assembly, Rear Right; Door Lock Actuator Motor; Door Latch Assembly; Door Lock Actuator; Door Lock; Latch Assembly
- Position: Rear Passenger Side
- Replaces: 9L8Z-7826412-A, BL8Z-7826412-A
Fits the following Mercury Models:
- Mariner | 2008-2011 | Base, Hybrid, Premier | 4 Cyl 2.3 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.5 L GAS, 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mercury Latch Assembly, Front Passenger Side
Part Number: 6L5Z-7821812-C
$77.99 MSRP: $120.02
You Save: $42.03 (36%)
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Product Specifications
- Other Name: Latch; Door Latch Assembly, Front Right; Door Latch Assembly; Door Lock; Lock
- Position: Front Passenger Side
Fits the following Mercury Models:
- Mountaineer | 1997-2001 | Base | 6 Cyl 4.0 L GAS, 8 Cyl 5.0 L GAS
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Mercury Latch Assembly, Front Passenger Side
Part Number: 6L8Z-7821812-B
$357.83 MSRP: $525.45
You Save: $167.62 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Latch; Door Latch Assembly, Front Right; Door Lock; Lock; Door Latch Assembly
- Position: Front Passenger Side
- Replaces: 5L8Z-7821812-B, 5L8Z-7821812-HB
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 Actuator, Rear Driver Side
Part Number: BL8Z-7826413-B
$237.83 MSRP: $349.23
You Save: $111.40 (32%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Latch; Door Latch Assembly, Rear Left; Door Lock Actuator Motor; Door Latch Assembly; Door Lock Actuator; Door Lock; Latch Assembly
- Position: Rear Driver Side
- Replaces: 8L8Z-7826413-A, 9L8Z-7826413-A, BL8Z-7826413-A
Fits the following Mercury Models:
- Mariner | 2008-2011 | Base, Hybrid, Premier | 4 Cyl 2.3 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.5 L GAS, 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
View related parts
Mercury Lock Actuator, Front Driver Side
Part Number: BL8Z-7821813-B
$304.45 MSRP: $447.07
You Save: $142.62 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Latch; Door Latch Assembly, Front Left; Door Lock Actuator Motor; Door Latch Assembly; Door Lock Actuator; Door Lock; Latch Assembly
- Position: Front Driver Side
- Replaces: 9L8Z-7821813-A, BL8Z-7821813-A, 8L8Z-7821813-A
Fits the following Mercury Models:
- Mariner | 2008-2011 | Base, Hybrid, Premier | 4 Cyl 2.3 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.5 L GAS, 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mercury Lock Actuator, Front Passenger Side
Part Number: BE5Z-5421812-A
$124.70 MSRP: $191.90
You Save: $67.20 (36%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Latch; Door Latch Assembly, Front Right; Door Lock Actuator Motor; Door Lock Actuator; Door Lock; Latch Assembly; Lock; Door Latch Assembly
- Manufacturer Note: Includes Actuator
- Position: Front Passenger Side
- Replaces: 6E5Z-5421812-AA
Fits the following Mercury Models:
- Milan | 2006-2011 | Base, Hybrid, Premier | 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.5 L GAS, 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mercury Lock, Black, Passenger Side
Part Number: 5F2Z-17219A64-AB
$95.45 MSRP: $138.93
You Save: $43.48 (32%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Latch; Door Latch Assembly; Door Lock
- Position: Passenger Side
Fits the following Mercury Models:
- Monterey | 2004-2007 | Base, Convenience, Luxury, Premier | 6 Cyl 4.2 L GAS
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Mercury Lock, Rear
Part Number: 4L2Z-7843150-A
$58.72 MSRP: $90.20
You Save: $31.48 (35%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Latch Assembly - Tailgate; Liftgate Latch, Rear; Trunk Latch; Door Lock; Latch
- Position: Rear
Fits the following Mercury Models:
- Mountaineer | 2002-2005 | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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Mercury Lock Actuator, Front Driver Side
Part Number: 6L2Z-78218A43-B
$12.10 MSRP: $18.73
You Save: $6.63 (36%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Actuator Assembly; Door Lock Actuator Motor, Front Left, Rear Left; Door Latch Assembly.; Actuator
- Position: Front Driver Side
- Replaces: 4L2Z-78218A43-AA, 6L2Z-78218A43-AB, 6L2Z-78218A43-A, 6L2Z-78218A43-AA
Fits the following Mercury Models:
- Montego | 2005-2007 | Luxury, Premier | 6 Cyl 3.0 L GAS
- Mountaineer | 2002-2010 | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
- Sable | 2008-2009 | Base, Premier | 6 Cyl 3.5 L GAS
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Mercury 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
Fits the following Mercury Models:
- Cougar | 1999-2002 | Base, S, V6 | 4 Cyl 2.0 L GAS, 6 Cyl 2.5 L GAS
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Mercury Control Assembly, Passenger Side
Part Number: 1F1Z-54264A00-D
Product Specifications
- Other Name: Control; Door Lock
- Manufacturer Note: R.H., w/power locks, FROM 2/13/03
- Position: Passenger Side
Fits the following Mercury Models:
- Sable | 2002-2004 | GS, LS, LS Premium | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
View related parts
Mercury Control Assembly, Driver Side
Part Number: 1F1Z-54264A01-D
Product Specifications
- Other Name: Control; Door Lock
- Manufacturer Note: L.H., w/power locks, FROM 2/13/03
- Position: Driver Side
Fits the following Mercury Models:
- Sable | 2002-2004 | GS, LS, LS Premium | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
View related parts
Mercury Control Assembly, Passenger Side
Part Number: 5L2Z-78219A64-AD
Product Specifications
- Other Name: Latch; Body Control Module; Door Latch Assembly; Door Lock; Latch Assembly; Lock
- Manufacturer Note: BLACK
- Position: Passenger Side
Fits the following Mercury Models:
- Mountaineer | 2004-2005 | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
View related parts
Mercury Latch Assembly, Front Passenger Side
Part Number: 8F9Z-74219A64-A
Product Specifications
- Other Name: Control; Door Latch Assembly, Front Right; Door Lock; Lock Module; Door Latch Assembly
- Position: Front Passenger Side
Fits the following Mercury Models:
- Sable | 2008-2009 | Base, Premier | 6 Cyl 3.5 L GAS
View related parts
Mercury Lock, Rear Passenger Side
Part Number: 8L2Z-7826412-C
Product Specifications
- Other Name: Lock Assembly - Door; Door Latch Assembly, Rear Right; Door Latch Assembly; Door Lock; Latch
- Position: Rear Passenger Side
- Replaces: 8L2Z-7826412-A
Fits the following Mercury Models:
- Mountaineer | 2006-2010 | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
View related parts
Mercury Lock Assembly, Front Driver Side
Part Number: 8F9Z-5421813-A
$41.39 MSRP: $59.22
You Save: $17.83 (31%)
Product Specifications
- Other Name: Latch; Door Latch Assembly, Front Left; Door Lock; Lock; Door Latch Assembly
- Position: Front Driver Side
Fits the following Mercury Models:
- Montego | 2005-2007 | Luxury, Premier | 6 Cyl 3.0 L GAS
- Sable | 2008-2009 | Base, Premier | 6 Cyl 3.5 L GAS

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Mercury Door Latch Assembly Parts Questions & Experts Answers

Latch Assembly, Front Passenger Side
6L8Z-7821812-B
Q: How to service and repair the front Door Latch Assembly on Mercury Mariner?
A: The starting point for servicing the front door latch requires exterior front door handle removal before you loosen the exterior door handle reinforcement screw to allow it to slide out. You should begin by removing the interior door handle after clipping it loose. First disconnect the cable conduit along with the door latch cable. The service procedure starts by removing three front door latch bolts before installation where new bolt torque should be set at 8 Nm (71 lb-in). The door latch electrical connector should be disconnected before sliding out the door latch assembly towards the vehicle front. Reverse the removal steps and then apply lubrication to all surfaces between the door latch and striker upon completion of the installation.
Latch Assembly, Front Driver Side
6S4Z-5421813-D
Q: How to Service and Repair the Front Door Latch Assembly on Mercury Cougar?
A: Service and repair procedures for the front door latch demand the removal of the battery ground cable first. Start by taking out the door trim panel and proceed to peel away the watershield but avoid touching the adhesive surface which will prevent re-bonding issues. Begin the door actuator rod and the lock cylinder actuator rod separations by rotating the clip clockwise ninety degrees followed by rod detachment steps. After disconnecting the electrical connector you should remove the latch screws to take out the latch. The latch cable needs to be detaching by rotating its position and breaking its connection. The reverse steps of removal should be followed during the installation process.
Latch Assembly, Front Passenger Side
9W7Z-5421812-B
Q: How to Address Issues with the Front Door Latch Assembly on a Mercury Grand Marquis?
A: Service and repair operations on the front door latch start with removal of both the front door trim panel along with the watershield. Proceed by removing the screw followed by moving the door latch release handle in order to separate it from the rod. You can release the actuating rod by opening the clip before disconnecting the door lock cylinder rod and the electrical connectors. First disconnect the electrical connector and afterward take out the rivet together with screws until the door lock actuator can be removed from the latch. Finally, remove the door latch. The reverse order of steps will be used to reassemble the parts.