How to Service and Repair Valve Stem Seals on Lincoln Town Car?

The service and repair of valve stem seals must start by placing the vehicle in neutral position and hoisting it. After removing valve springs the technician should extract the valve stem seals. Before fitting new valve stem seals it is essential to bottom them against the valve seat while installing the garter spring within the seal. Make use of the valve spring compressor combined with the valve stem oil seal installer for installation. Finally, reinstall the valve springs.

How to Service and Repair Valve Stem Seals on Lincoln Navigator?

You must take off the RH valve cover before starting service and repair of the valve guide seals. The second step requires you to take away the LH valve cover. When servicing a specific cylinder, remove its spark plug and turn the crankshaft while the piston reaches its uppermost position along with shut intake and exhaust valves. Correct markings must be done on the components so they can be placed back accurately to avoid engine damage. Keeping the valve keepers secured in place will prevent the potential drop of the valve into the cylinder, accommodating the need for cylinder head removal. A Valve Spring Compressor enables valve spring compression for the removal of camshaft roller followers. A minimum of 965 kPa (140 psi) compressed air should be applied through the cylinder to secure both valves in place. When air pressure weakens, you must sustain the valve prior to extraction to stop it from falling. You can use the Valve Spring Compressor to compress the valve spring and take off the valve spring retainer keys and then remove the valve spring retainer and valve spring after removing the valve stem seal before discarding the old seal. Inspect all components before installation. The new valve stem seal requires clean engine oil treatment before its installation using the Valve Stem Oil Seal Installer while placing it onto the valve stem. The Valve Spring Compressor assists to place valve spring retainer and valve spring retainer keys into position while you remove air pressure from the cylinder. Investigate for keepers to prevent their release from the valve during this step. Clean engine oil lubrication applies to the camshaft roller followers before you reinstall the camshaft roller follower through valve spring compression. The installation process ends with replacement of the spark plug followed by the LH valve cover, then the RH valve cover.

OEM Lincoln Valve Stem Seal

Engine Valve Seal

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17 Valve Stem Seals found

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Lincoln Valve Seals Part Number: DC2Z-6571-A
$2.27 MSRP: $3.22
You Save: $0.95 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Seal - Valve Stem; Valve Stem Seal
- Replaces: F6AZ-6571-AA
Fits the following Lincoln Models:
- Navigator | 1998-2002 | Base | 8 Cyl 5.4 L GAS
- Town Car | 1995-2003 | Anniversary, Base, Cartier, Cartier L, Cypress, Executive, Executive L, Executive Protection Series, Signature, Touring Edition | 8 Cyl 4.6 L GAS
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Lincoln Valve Seals, Brown/Gray Part Number: 1S7Z-6571-A
$13.78
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Product Specifications
- Other Name: Seal - Valve Stem; Valve Stem Seal
- Replaces: 1S7Z-6571-EA, 1S7Z-6571-BA
Fits the following Lincoln Models:
- Corsair | 2020-2023 | Base, Grand Touring, Reserve | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L PLUG-IN HYBRID EV-GAS (PHEV)
- MKC | 2015-2019 | Base, Black Label, Premiere, Reserve, Select | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS
- MKT | 2013-2016 | Base | 4 Cyl 2.0 L GAS
- MKZ | 2011-2020 | Base, Black Label, Black Label Hybrid, Hybrid, Premiere, Premiere Hybrid, Reserve, Reserve Hybrid, Reserve I, Reserve I Hybrid, Reserve II, Reserve II Hybrid, Select, Select Hybrid | 4 Cyl 2.0 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV)
- Nautilus | 2019-2023 | Base, Black Label, Reserve, Select | 4 Cyl 2.0 L GAS
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Lincoln Valve Seals Part Number: F5RZ-6571-B
$2.12 MSRP: $3.00
You Save: $0.88 (30%)
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Product Specifications
- Other Name: Seal - Valve Stem; Engine Valve Stem Oil Seal Set; Valve Stem Oil Seal Set; Valve Stem Seal; Exhaust Valve Seals; Intake Valve Seals
Fits the following Lincoln Models:
- Zephyr | 2006 | Base | 6 Cyl 3.0 L GAS
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Lincoln Valve Seals Part Number: F5LY-6571-A
$2.48 MSRP: $3.51
You Save: $1.03 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Seal - Valve Stem; Engine Valve Stem Oil Seal Set; Valve Stem Oil Seal Set; Valve Stem Seal
Fits the following Lincoln Models:
- Aviator | 2003-2005 | Base | 8 Cyl 4.6 L GAS
- Blackwood | 2002 | Base | 8 Cyl 5.4 L GAS
- Continental | 1995-2002 | Anniversary, Base, Diamond Anniversary, Signature, Spinnaker Edition | 8 Cyl 4.6 L GAS
- Mark VIII | 1995-1998 | Anniversary, Base, LSC | 8 Cyl 4.6 L GAS
- Navigator | 2003-2004 | Base | 8 Cyl 5.4 L GAS
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Lincoln Valve Seals Part Number: F4AZ-6571-A
$7.27 MSRP: $10.31
You Save: $3.04 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Seal - Valve Stem; Engine Valve Stem Oil Seal Set; Valve Stem Oil Seal Set; Valve Stem Seal
- Replaces: F3AZ-6049-A, F4AZ-6049-A
Fits the following Lincoln Models:
- Town Car | 2004-2011 | Designer Series, Executive, Executive L, Protection Series, Signature, Signature L, Signature Limited, Ultimate, Ultimate L | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS
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Lincoln Valve Seals Part Number: BL3Z-6571-A
$2.69 MSRP: $3.82
You Save: $1.13 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Seal - Valve Stem; Valve Stem Seal
- Manufacturer Note: 4 Per Package
- Replaces: 7T4Z-6571-AA
Fits the following Lincoln Models:
- Continental | 2017-2020 | Base, Livery, Premiere, Select | 6 Cyl 3.7 L GAS
- MKS | 2009-2016 | Base, EcoBoost | 6 Cyl 3.5 L GAS, 6 Cyl 3.7 L GAS
- MKT | 2010-2019 | Base, EcoBoost, Livery, Premiere, Reserve | 6 Cyl 3.5 L GAS, 6 Cyl 3.7 L GAS
- MKX | 2007-2018 | Base, Black Label, Premiere, Reserve, Select | 6 Cyl 3.5 L GAS, 6 Cyl 3.7 L GAS
- MKZ | 2013-2016, 2007-2009 | Base, Black Label | 6 Cyl 3.5 L GAS, 6 Cyl 3.7 L GAS
- Navigator | 2015-2017 | Base, L, L Reserve, L Select, Reserve, Select | 6 Cyl 3.5 L GAS
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Lincoln Valve Seals, Green Part Number: 3S4Z-6571-A
$5.52 MSRP: $7.83
You Save: $2.31 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Seal - Valve Stem; Valve Stem Seal
- Replaces: 3S4Z-6571-AA, 1S7Z-6571-FA
Fits the following Lincoln Models:
- Corsair | 2020-2023 | Base, Grand Touring, Reserve | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L PLUG-IN HYBRID EV-GAS (PHEV)
- MKC | 2015-2019 | Base, Black Label, Premiere, Reserve, Select | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS
- MKT | 2013-2016 | Base | 4 Cyl 2.0 L GAS
- MKZ | 2011-2020 | Base, Black Label, Black Label Hybrid, Hybrid, Premiere Hybrid, Reserve Hybrid, Reserve I Hybrid, Reserve II Hybrid, Select Hybrid | 4 Cyl 2.0 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV)
- Nautilus | 2019-2023 | Base, Black Label, Reserve, Select | 4 Cyl 2.0 L GAS
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Lincoln Valve Seals Part Number: 3L3Z-6571-DA
$5.19 MSRP: $7.37
You Save: $2.18 (30%)
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Product Specifications
- Other Name: Seal - Valve Stem; Engine Valve Stem Oil Seal Set; Valve Stem Oil Seal Set; Valve Stem Seal
- Manufacturer Note: SEAL, VALVE STEM
- Replaces: 3L3Z-6571-CA
Fits the following Lincoln Models:
- Mark LT | 2006-2008 | Base | 8 Cyl 5.4 L GAS
- Navigator | 2005-2014 | 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 Valve Seals Part Number: E7ZZ-6571-A
$13.78 MSRP: $18.75
You Save: $4.97 (27%)
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Product Specifications
- Other Name: Seal - Valve Stem; Valve Stem Seal; Intake Valve Seals
Fits the following Lincoln Models:
- Mark VII | 1992 | Bill Blass, LSC | 8 Cyl 5.0 L GAS
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Lincoln Valve Seals Part Number: E8AZ-6571-A
$13.78 MSRP: $18.75
You Save: $4.97 (27%)
ADD TO CART
Product Specifications
- Other Name: Seal - Valve Stem; Engine Valve Stem Oil Seal Set; Valve Stem Oil Seal Set; Valve Stem Seal; Intake Valve Seals; Intake Valve Stem Seal
- Replaces: E43Z-6571-A, FOTZ-6049-K, F1HZ-6049-A
Fits the following Lincoln Models:
- Mark VII | 1985-1991 | Base, Bill Blass, LSC, Versace | 8 Cyl 5.0 L GAS
- Town Car | 1990 | Base, Cartier, Cypress, Executive, Signature, Touring Edition | 8 Cyl 5.0 L GAS
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Lincoln Valve Seals Part Number: HL3Z-6571-A
$2.20 MSRP: $3.12
You Save: $0.92 (30%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Seal - Valve Stem; Valve Stem Seal
Fits the following Lincoln Models:
- Navigator | 2018-2023 | Base, Black Label, L Base, L Black Label, L Livery, L Reserve, L Select, Premiere, Reserve, Select | 6 Cyl 3.5 L GAS
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Lincoln Valve Seals Part Number: XW4Z-6571-BA
Product Specifications
- Other Name: Seal - Valve Stem; Valve Stem Seal; Lower Spring Retainer
Fits the following Lincoln Models:
- LS | 2000-2002 | Base, LSE | 8 Cyl 3.9 L GAS
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Lincoln Valve Seals Part Number: XW4Z-6571-AA
Product Specifications
- Other Name: Seal - Valve Stem; Valve Stem Seal
Fits the following Lincoln Models:
- LS | 2000-2005 | Appearance, Base, LSE, Luxury, Premium | 6 Cyl 3.0 L GAS
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Lincoln Valve Seals Part Number: F3LY-6571-A
Product Specifications
- Other Name: Seal - Valve Stem; Engine Valve Stem Oil Seal Set; Valve Stem Oil Seal Set; Valve Stem Seal
- Manufacturer Note: Intake & Exhaust
Fits the following Lincoln Models:
- Mark VIII | 1993-1994 | Base | 8 Cyl 4.6 L GAS
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Lincoln Valve Seals Part Number: F1AZ-6571-A
Product Specifications
- Other Name: Seal - Valve Stem; Valve Stem Seal
- Manufacturer Note: Intake & Exhaust
Fits the following Lincoln Models:
- Town Car | 1991-1994 | Base, Cartier, Cypress, Executive, Jack Nicklaus, Signature, Touring Edition, Tournament Edition | 8 Cyl 4.6 L GAS
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Lincoln Valve Seals Part Number: E7ZZ-6571-B
Product Specifications
- Other Name: Seal - Valve Stem; Valve Stem Seal; Exhaust Valve Seals
Fits the following Lincoln Models:
- Mark VII | 1992 | Bill Blass, LSC | 8 Cyl 5.0 L GAS
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Lincoln Valve Seals Part Number: JT4Z-6571-A
$4.34 MSRP: $6.14
You Save: $1.80 (30%)
Product Specifications
- Other Name: Seal - Valve Stem; Valve Stem Seal
- Replaces: FT4Z-6571-A, JT4Z-6571-B
Fits the following Lincoln Models:
- Aviator | 2020-2023 | Base, Black Label, Black Label Grand Touring, Grand Touring, Livery, Reserve | 6 Cyl 3.0 L GAS, 6 Cyl 3.0 L PLUG-IN HYBRID EV-GAS (PHEV)
- Continental | 2017-2020 | 80th Anniversary Coach Door Edition, Black Label, Coach Door Edition, Reserve, Select | 6 Cyl 2.7 L GAS, 6 Cyl 3.0 L GAS
- MKX | 2016-2018 | Black Label, Premiere, Reserve, Select | 6 Cyl 2.7 L GAS
- MKZ | 2017-2020 | Black Label, Reserve, Reserve II, Select | 6 Cyl 3.0 L GAS
- Nautilus | 2019-2023 | Black Label, Reserve, Select | 6 Cyl 2.7 L GAS
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Lincoln Valve Stem Seal

If you own Lincoln and want to keep it in top shape, choosing OEM Valve Stem Seal is a smart move. They are precisely engineered and follow strict factory standards. They are made in advanced facilities that use cutting edge technology. Each part goes through thorough testing to confirm strength and safety, so you can trust it. FordPartsDeal.com gives you genuine Lincoln Valve Stem Seal at some of the affordable online prices without cutting quality. Every OEM Lincoln part includes the manufacturer's warranty, easy returns, and super-fast delivery. So why wait? Shop now and get your vehicle back to peak condition.

Lincoln Valve Stem Seal Parts and Q&A

Valve Seals
F4AZ-6571-A
Q: How to Service and Repair Valve Stem Seals on Lincoln Town Car?
A:
The service and repair of valve stem seals must start by placing the vehicle in neutral position and hoisting it. After removing valve springs the technician should extract the valve stem seals. Before fitting new valve stem seals it is essential to bottom them against the valve seat while installing the garter spring within the seal. Make use of the valve spring compressor combined with the valve stem oil seal installer for installation. Finally, reinstall the valve springs.
Valve Seals
3L3Z-6571-DA
Q: How to Service and Repair Valve Stem Seals on Lincoln Navigator?
A:
You must take off the RH valve cover before starting service and repair of the valve guide seals. The second step requires you to take away the LH valve cover. When servicing a specific cylinder, remove its spark plug and turn the crankshaft while the piston reaches its uppermost position along with shut intake and exhaust valves. Correct markings must be done on the components so they can be placed back accurately to avoid engine damage. Keeping the valve keepers secured in place will prevent the potential drop of the valve into the cylinder, accommodating the need for cylinder head removal. A Valve Spring Compressor enables valve spring compression for the removal of camshaft roller followers. A minimum of 965 kPa (140 psi) compressed air should be applied through the cylinder to secure both valves in place. When air pressure weakens, you must sustain the valve prior to extraction to stop it from falling. You can use the Valve Spring Compressor to compress the valve spring and take off the valve spring retainer keys and then remove the valve spring retainer and valve spring after removing the valve stem seal before discarding the old seal. Inspect all components before installation. The new valve stem seal requires clean engine oil treatment before its installation using the Valve Stem Oil Seal Installer while placing it onto the valve stem. The Valve Spring Compressor assists to place valve spring retainer and valve spring retainer keys into position while you remove air pressure from the cylinder. Investigate for keepers to prevent their release from the valve during this step. Clean engine oil lubrication applies to the camshaft roller followers before you reinstall the camshaft roller follower through valve spring compression. The installation process ends with replacement of the spark plug followed by the LH valve cover, then the RH valve cover.