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

In order to replace the front door latch, take away the exterior handle and remove the screw which reinforces it. Unscrew the interior handle and cable and dispose the old latch bolts, and replace them with new ones with a tightening of 8 Nm. Unscrew the electrical connector, unscrew the latch assembly and reverse the procedure to install, and lubricate surfaces after.

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

To repair the front door latch, unconnect battery ground cable, door trim panel and scratch away watershield. Disconnect the lock and door handle actuator rods, the electrical connector and the latch screws. Reinstallation is reversed.

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
$66.16 MSRP: $90.03
You Save: $23.87 (27%)
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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
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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
ADD TO CART
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
$58.13 MSRP: $89.30
You Save: $31.17 (35%)
Ships in 1-2 Business Days
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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
ADD TO CART
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
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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
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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
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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 and Q&A

Latch Assembly, Front Passenger Side
6L8Z-7821812-B
Q: How to service and repair the front Door Latch Assembly on Mercury Mariner?
A: In order to replace the front door latch, take away the exterior handle and remove the screw which reinforces it. Unscrew the interior handle and cable and dispose the old latch bolts, and replace them with new ones with a tightening of 8 Nm. Unscrew the electrical connector, unscrew the latch assembly and reverse the procedure to install, and lubricate surfaces after.
Latch Assembly, Front Driver Side
6S4Z-5421813-D
Q: How to Service and Repair the Front Door Latch Assembly on Mercury Cougar?
A: To repair the front door latch, unconnect battery ground cable, door trim panel and scratch away watershield. Disconnect the lock and door handle actuator rods, the electrical connector and the latch screws. Reinstallation is reversed.