How to service and repair the Valve Stem Seal on Ford F-150?

The next step for valve guide seal service and repair requires removal of either the left-hand (LH) or right-hand (RH) valve cover depending on the valve stem seal under maintenance. Start by removing the spark plug and afterward rotate the crankshaft until the piston for the targeted valve stem seal reaches its highest position while both valves remain shut. All elements need proper marking that reflects their original places to safeguard against motor damage. Errors will occur when valve keepers drop off since this incident may cause the valve to fall into the cylinder requiring cylinder head removal. A Valve Spring Compressor should be used to squeeze the valve spring and extract the camshaft roller follower. The application of 965 kPa (140 psi) minimum compressed air pressure seals both valves into place. The driver should keep the valve securely supported while eliminating air pressure from the cylinder to stop the valve from entering the cylinder space. The Valve Spring Compressor enables you to compress valve springs and extract the valve spring retainer keys from the engine block before proceeding with valve spring retainer, valve spring, and valve stem seal removal. Discard the used valve stem seal. All components need inspection before installation while clean engine oil needs application to both the new valve stem seal and valve stem. Insert the new valve stem seal on the valve stem while using a Valve Stem Oil Seal Installer for installation procedures. Placing the valve spring and valve spring retainer together with valve spring retainer keys requires the Valve Spring Compressor until you release the air pressure in the cylinder. When reinstalling the valve spring you must lubricate the camshaft roller followers with engine oil before repeating the valve spring compression to add the camshaft roller follower. Finishing the process requires you to reinstall the spark plug followed by the correct valve cover which should be the left-hand one if you serviced the left-hand valve stem seal or the right-hand one if you serviced the right-hand valve stem seal.

OEM Ford F-150 Valve Stem Seal

Engine Valve Seal

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20 Valve Stem Seals found

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Ford F-150 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
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-2008 Ford F-150 | Base, FX2, FX4, Harley-Davidson Edition, King Ranch, Lariat, Lightning, STX, THE 60TH ANNIVERSARY EDITION, XL, XLT | 8 Cyl 4.6 L GAS, 8 Cyl 5.4 L BI-FUEL, 8 Cyl 5.4 L CNG, 8 Cyl 5.4 L GAS
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Ford F-150 Valve Seals
Part Number: BR3Z-6571-B
$1.80 MSRP: $2.54
You Save: $0.74 (30%)
Ships in 1 Business Day
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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: 8 Per Package
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011-2017 Ford F-150 | FX2, FX4, King Ranch, Lariat, Platinum, SSV, STX, XL, XLT | 8 Cyl 5.0 L FLEX
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Ford F-150 Valve Seals
Part Number: BL3Z-6571-A
$2.69 MSRP: $3.82
You Save: $1.13 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Seal - Valve Stem; Valve Stem Seal
- Manufacturer Note: 4 Per Package
- Replaces: 7T4Z-6571-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2018-2023, 2011-2016 Ford F-150 | FX2, FX4, King Ranch, Lariat, Limited, Platinum, SSV, STX, XL, XLT | 6 Cyl 3.3 L FLEX, 6 Cyl 3.5 L FLEX, 6 Cyl 3.5 L GAS, 6 Cyl 3.7 L CNG, 6 Cyl 3.7 L FLEX, 6 Cyl 3.7 L LPG
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Ford F-150 Valve Seals
Part Number: 1F2Z-6571-AA
$2.97 MSRP: $4.22
You Save: $1.25 (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
- Manufacturer Note: Intake & Exhaust
- Replaces: XF2Z-6571-BA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2008, 1999-2003 Ford F-150 | Base, STX, XL, XLT | 6 Cyl 4.2 L GAS
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Ford F-150 Valve Seals
Part Number: 3L3Z-6571-DA
$5.19 MSRP: $7.37
You Save: $2.18 (30%)
Ships in 1 Business Day
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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
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2004-2010 Ford F-150 | FX2, FX4, Harley-Davidson Edition, King Ranch, Lariat, Limited, Platinum, STX, SVT Raptor, THE 60TH ANNIVERSARY EDITION, XL, XLT | 8 Cyl 4.6 L GAS, 8 Cyl 5.4 L FLEX, 8 Cyl 5.4 L GAS
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Ford F-150 Valve Seals
Part Number: F4AZ-6571-A
$7.27 MSRP: $10.31
You Save: $3.04 (30%)
Ships in 1-3 Business Days
ADD TO CART
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
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2009-2010 Ford F-150 | STX, XL, XLT | 8 Cyl 4.6 L GAS
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Ford F-150 Valve Seals
Part Number: AL3Z-6571-AA
$2.29 MSRP: $3.25
You Save: $0.96 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Seal - Valve Stem; Valve Stem Seal
- Replaces: AL3Z-6571-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011-2014 Ford F-150 | FX2, FX4, Harley-Davidson Edition, Lariat, Lariat Limited, Platinum, SVT Raptor, XLT | 8 Cyl 6.2 L GAS
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Ford F-150 Valve Seals
Part Number: F2TZ-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; Exhaust Valve Seals
- Replaces: E5ZZ-6571-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1992-1996 Ford F-150 | Custom, Eddie Bauer, Lightning, Special, XL, XLT, XLT Lariat | 6 Cyl 4.9 L BI-FUEL, 6 Cyl 4.9 L GAS, 8 Cyl 5.8 L GAS
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Ford F-150 Valve Seals
Part Number: F57Z-6571-A
$1.62 MSRP: $2.29
You Save: $0.67 (30%)
Ships in 1-3 Business Days
ADD TO CART
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
- Manufacturer Note: Intake & Exhaust
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-1998 Ford F-150 | Base, XL, XLT | 6 Cyl 4.2 L GAS
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Ford F-150 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
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2017-2023 Ford F-150 | King Ranch, Lariat, Limited, Platinum, Police Responder, Raptor, SSV, Tremor, XL, XLT | 6 Cyl 3.5 L FLEX, 6 Cyl 3.5 L FULL HYBRID EV-GAS (FHEV), 6 Cyl 3.5 L GAS
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Ford F-150 Valve Seals
Part Number: F3ZZ-6571-C
$2.04 MSRP: $2.89
You Save: $0.85 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Seal - Valve Stem; Valve Stem Seal; Exhaust Valve Seals; Intake Valve Seals; Intake Valve Stem Seal
- Manufacturer Note: Used on Intake & Exhaust valves
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1993-1996 Ford F-150 | Eddie Bauer, Special, XL, XLT | 8 Cyl 5.0 L GAS
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Ford F-150 Valve Seals
Part Number: 4S7Z-6571-A
$3.91 MSRP: $5.56
You Save: $1.65 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Seal - Valve Stem; Valve Stem Seal
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2018-2021 Ford F-150 | King Ranch, Lariat, Platinum, XL, XLT | 6 Cyl 3.0 L DIESEL
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Ford F-150 Valve Seals
Part Number: JR3Z-6571-A
$4.72 MSRP: $6.69
You Save: $1.97 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Seal - Valve Stem; Valve Stem Seal
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2018-2023 Ford F-150 | King Ranch, Lariat, Platinum, SSV, Tremor, XL, XLT | 8 Cyl 5.0 L FLEX
View related parts
Ford F-150 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
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1986-1996 Ford F-150 | Base, Custom, Eddie Bauer, Lightning, Special, XL, XLT, XLT Lariat | 6 Cyl 4.9 L BI-FUEL, 6 Cyl 4.9 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.8 L GAS
View related parts
Ford F-150 Seal - Valve Stem
Part Number: E5ZZ-6571-A
$13.78 MSRP: $18.75
You Save: $4.97 (27%)
ADD TO CART
Product Specifications
- Replaced by: F2TZ-6571-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1987-1991 Ford F-150 | Custom, XL, XLT Lariat | 6 Cyl 4.9 L GAS, 8 Cyl 5.8 L GAS
View related parts
Ford F-150 Valve Seals
Part Number: E7ZZ-6571-A
$13.78 MSRP: $18.75
You Save: $4.97 (27%)
ADD TO CART
Product Specifications
- Other Name: Seal - Valve Stem; Valve Stem Seal; Intake Valve Seals
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1990-1992 Ford F-150 | Custom, XL, XLT Lariat | 8 Cyl 5.0 L GAS
View related parts
Ford F-150 Valve Seals
Part Number: E3TZ-6571-C
Product Specifications
- Other Name: Seal - Valve Stem; Valve Stem Seal
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1984 Ford F-150 | Base, XL, XLT | 8 Cyl 6.9 L DIESEL
View related parts
Ford F-150 Valve Seals
Part Number: E7ZZ-6571-B
Product Specifications
- Other Name: Seal - Valve Stem; Valve Stem Seal; Exhaust Valve Seals
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1990-1992 Ford F-150 | Custom, XL, XLT Lariat | 8 Cyl 5.0 L GAS
View related parts
Ford F-150 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
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2015-2020 Ford F-150 | Lariat, XL, XLT | 6 Cyl 2.7 L GAS
View related parts
Ford F-150 Valve Seals
Part Number: D6OZ-6571-A
Product Specifications
- Other Name: Seal - Valve Stem; Valve Stem Seal
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1984-1991 Ford F-150 | Base, Custom, XL, XLT, XLT Lariat | 6 Cyl 4.9 L GAS, 6 Cyl 4.9 L LPG, 8 Cyl 5.8 L GAS

Ford F-150 Valve Stem Seal

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Ford F-150 Valve Stem Seal Parts Questions & Experts Answers

Valve Seals
F4AZ-6571-A
Q: How to service and repair the Valve Stem Seal on Ford F-150?
A: The next step for valve guide seal service and repair requires removal of either the left-hand (LH) or right-hand (RH) valve cover depending on the valve stem seal under maintenance. Start by removing the Spark Plug and afterward rotate the Crankshaft until the Piston for the targeted valve stem seal reaches its highest position while both valves remain shut. All elements need proper marking that reflects their original places to safeguard against motor damage. Errors will occur when valve keepers drop off since this incident may cause the valve to fall into the cylinder requiring cylinder head removal. A Valve Spring Compressor should be used to squeeze the valve spring and extract the camshaft roller follower. The application of 965 kPa (140 psi) minimum compressed air pressure seals both valves into place. The driver should keep the valve securely supported while eliminating air pressure from the cylinder to stop the valve from entering the cylinder space. The Valve Spring Compressor enables you to compress valve springs and extract the valve spring retainer keys from the engine block before proceeding with valve spring retainer, valve spring, and valve stem seal removal. Discard the used valve stem seal. All components need inspection before installation while clean engine oil needs application to both the new valve stem seal and valve stem. Insert the new valve stem seal on the valve stem while using a Valve Stem Oil Seal Installer for installation procedures. Placing the valve spring and valve spring retainer together with valve spring retainer keys requires the Valve Spring Compressor until you release the air pressure in the cylinder. When reinstalling the valve spring you must lubricate the camshaft roller followers with engine oil before repeating the valve spring compression to add the camshaft roller follower. Finishing the process requires you to reinstall the spark plug followed by the correct valve cover which should be the left-hand one if you serviced the left-hand valve stem seal or the right-hand one if you serviced the right-hand valve stem seal.