How to Service and Repair a Crankshaft Seal with a Retainer Plate on Lincoln Navigator?

To fix crankshaft main bearing seal, take out transmission and oil pan and then the rear engine cover. Crankshaft oil slinger and rear seal are to be removed with a Slide Hammer. Wipe with plastic brush and silicone remover. Use sealant and affix the retainer plate, and lubricate parts then reassemble them.

How to service and repair the front crankshaft seal on Lincoln Navigator?

In order to fix the front crankshaft seal, lift the car in neutral, pull out the cooling fan and remove the accessory drive belt. Take off the crankshaft pulley and seal and replaced by a new seal lubricated surfaces. Install a new bolt to secure the pulley in stages and then re-install a cooling fan.

OEM Lincoln Navigator Crankshaft Seal

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4 Crankshaft Seals found

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Lincoln Navigator Oil Seal, Front Part Number: XW4Z-6700-AA
$10.89 MSRP: $15.45
You Save: $4.56 (30%)
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Product Specifications
- Other Name: Seal Assembly - Crankshaft Oil - Front; Engine Crankshaft Seal, Front; Timing Cover Gasket; Timing Cover Seal; Crankshaft Seal; Front Crank Seal; Timing Cover Oil Seal; Engine Crankshaft Seal
- Position: Front
- Replaces: XW4Z-6700-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2004-2024, 1999-2002 Lincoln Navigator | Base, Black Label, L, L Base, L Black Label, L Livery, L Luxury, L Reserve, L Select, L Ultimate, Luxury, Premiere, Reserve, Select, Ultimate | 6 Cyl 3.5 L GAS, 8 Cyl 5.4 L FLEX, 8 Cyl 5.4 L GAS
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Lincoln Navigator Rear Main Seal Part Number: F4AZ-6701-A
$29.36 MSRP: $41.65
You Save: $12.29 (30%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Seal Assembly - Crankshaft Oil; Engine Crankshaft Seal, Rear; Timing Cover Gasket; Timing Cover Seal; Oil Seal; Crankshaft Seal; Rear Seal; Timing Cover Seal; Oil Pan Seal.
- Position: Rear
- Replaces: F3AZ-6701-B
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1998-2014 Lincoln Navigator | Base, L, L Luxury, L Ultimate, Luxury, Ultimate | 8 Cyl 5.4 L FLEX, 8 Cyl 5.4 L GAS
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Lincoln Navigator Rear Main Seal Retainer Part Number: 6C3Z-6K301-A
$45.47 MSRP: $66.18
You Save: $20.71 (32%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Retainer - Crankshaft Oil Seal; Oil Pan Rear Seal
- Manufacturer Note: Gasket Is RTV. Refer To Workshop Manual For Proper Specs
- Replaces: 3L3Z-6K301-AA, 3L3Z-6K301-CA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2007-2014 Lincoln Navigator | Base, L, L Luxury, L Ultimate, Luxury, Ultimate | 8 Cyl 5.4 L FLEX, 8 Cyl 5.4 L GAS
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Lincoln Navigator Rear Main Seal Retainer Part Number: CG1Z-6335-B
$47.18 MSRP: $67.50
You Save: $20.32 (31%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Retainer - Crankshaft Oil Seal
- Replaces: 7T4Z-6K301-A, AT4Z-6K301-B, CG1Z-6K301-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2015-2023 Lincoln Navigator | Base, Black Label, L, L Base, L Black Label, L Livery, L Reserve, L Select, Premiere, Reserve, Select | 6 Cyl 3.5 L GAS

Lincoln Navigator Crankshaft Seal

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Lincoln Navigator Crankshaft Seal Parts and Q&A

Rear Main Seal Retainer
6C3Z-6K301-A
Q: How to Service and Repair a Crankshaft Seal with a Retainer Plate on Lincoln Navigator?
A: To fix crankshaft main bearing seal, take out transmission and Oil Pan and then the rear engine cover. Crankshaft oil slinger and rear seal are to be removed with a Slide Hammer. Wipe with plastic brush and silicone remover. Use sealant and affix the retainer plate, and lubricate parts then reassemble them.
Oil Seal, Front
XW4Z-6700-AA
Q: How to service and repair the front crankshaft seal on Lincoln Navigator?
A: In order to fix the front crankshaft seal, lift the car in neutral, pull out the cooling fan and remove the accessory Drive Belt. Take off the crankshaft pulley and seal and replaced by a new seal lubricated surfaces. Install a new bolt to secure the pulley in stages and then re-install a cooling fan.