How to Service and Repair Valve Stem Seals on Ford F-350 Super Duty?

In order to repair valve guide seals, one has to remove the spark plug and valve cover and position the piston at the top travel. Step by Step Put parts away, replace the valve stem seal with a Valve spring compressor. Install components in the original position, lubricating where necessary, and complete with the replacement of a spark plug and valve cover.

OEM Ford F-350 Super Duty Valve Stem Seal

Engine Valve Seal

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8 Valve Stem Seals found

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Ford F-350 Super Duty 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:
- 1999-2004 Ford F-350 Super Duty | Harley-Davidson Edition, King Ranch, Lariat, XL, XLT | 10 Cyl 6.8 L GAS, 8 Cyl 5.4 L GAS
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Ford F-350 Super Duty Valve Seals Part Number: F4TZ-6571-A
$6.17 MSRP: $8.08
You Save: $1.91 (24%)
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
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999-2003 Ford F-350 Super Duty | King Ranch, Lariat, XL, XLT | 8 Cyl 7.3 L DIESEL
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Ford F-350 Super Duty Valve Seals Part Number: 3C3Z-6571-AA
$11.88 MSRP: $15.55
You Save: $3.67 (24%)
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: SEAL ASM VALVE
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003-2010 Ford F-350 Super Duty | Cabela's, FX4, Harley-Davidson Edition, King Ranch, Lariat, XL, XLT | 8 Cyl 6.0 L DIESEL, 8 Cyl 6.4 L DIESEL
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Ford F-350 Super Duty Valve Seals Part Number: BC3Z-6571-A
$3.33 MSRP: $4.72
You Save: $1.39 (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:
- 2011-2023 Ford F-350 Super Duty | King Ranch, Lariat, Limited, Platinum, XL, XLT | 8 Cyl 6.7 L DIESEL
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Ford F-350 Super Duty Valve Seals Part Number: 3L3Z-6571-DA
$5.19 MSRP: $7.37
You Save: $2.18 (30%)
Ships in 1 Business Day
ADD TO CART
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:
- 2005-2010 Ford F-350 Super Duty | Cabela's, FX4, Harley-Davidson Edition, King Ranch, Lariat, XL, XLT | 10 Cyl 6.8 L GAS, 8 Cyl 5.4 L GAS
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Ford F-350 Super Duty 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:
- 2011-2016 Ford F-350 Super Duty | King Ranch, Lariat, Platinum, XL, XLT | 8 Cyl 6.2 L FLEX
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Ford F-350 Super Duty Valve Seals Part Number: FC3Z-6571-A
$16.48
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Product Specifications
- Other Name: Seal - Valve Stem; Valve Stem Seal
- Manufacturer Note: Use with FC3Z-6513-A Valve Spring Only
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2017-2022 Ford F-350 Super Duty | King Ranch, Lariat, Platinum, XL, XLT | 8 Cyl 6.2 L FLEX
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Ford F-350 Super Duty Valve Seals Part Number: LC3Z-6571-A
$2.59 MSRP: $3.67
You Save: $1.08 (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:
- 2020-2023 Ford F-350 Super Duty | King Ranch, Lariat, Platinum, XL, XLT | 8 Cyl 6.8 L GAS, 8 Cyl 7.3 L GAS

Ford F-350 Super Duty Valve Stem Seal

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Ford F-350 Super Duty Valve Stem Seal Parts and Q&A

Valve Seals
3L3Z-6571-DA
Q: How to Service and Repair Valve Stem Seals on Ford F-350 Super Duty?
A: In order to repair valve guide seals, one has to remove the Spark Plug and valve cover and position the Piston at the top travel. Step by Step Put parts away, replace the valve stem seal with a Valve spring compressor. Install components in the original position, lubricating where necessary, and complete with the replacement of a spark plug and valve cover.