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
$2.23 MSRP: $3.16
You Save: $0.93 (30%)
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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
$1.93 MSRP: $2.73
You Save: $0.80 (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
$1.68 MSRP: $2.39
You Save: $0.71 (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
$6.62 MSRP: $9.38
You Save: $2.76 (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
$2.64 MSRP: $3.75
You Save: $1.11 (30%)
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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
$5.03 MSRP: $7.13
You Save: $2.10 (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
$5.10 MSRP: $7.23
You Save: $2.13 (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
$1.54 MSRP: $2.18
You Save: $0.64 (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
$3.91 MSRP: $5.55
You Save: $1.64 (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.

The Lincoln Valve Stem Seal is a rubber cap placed on top of each valve guide, which directs oil to the stem to ensure engines remain lubricated without smoke. Silence is treasured by Lincoln, and everything in the house is padded down as far as possible to silence wind and road growl and to enable conversation to be carried on at a low tone. The moment you get in, soft leather, real wood, and bright screens, but not busy, meet your eyes. The Co-pilot 360 suite keeps lanes straight, lights smart, and blind spots under observation without any nagging. ActiveGlide goes so far as to permit hands-free driving along mapped roads, which makes long distances comfortable and lowers fatigue. The feedback between owners and Lincoln drives annual software updates that simply fall into the infotainment stack instead of compelling new hardware purchases. Specialized training programs imply that the staff really knows about the product and therefore questions are answered swiftly and properly. The appointments to the service are never lengthy and torturous. When it is time to replace a Lincoln Valve Stem Seal, prepare to do it. Kill the battery, take the valve covers off, and have the selected piston at top dead center so that the valve will not fall. Use feed rope that goes through the hole of the spark plug to support, clamp the spring, pop the keepers, and lift off the retainer. Take out the old seal with pliers, rub the guide down, and wipe with a cloth, and then force the new Valve Stem Seal into position. Install keeping and spring, turn engine, and listen to your Lincoln idle, evidence that Valve Stem Seal is operating.

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.