How to Service and Repair Valve Stem Seals on Mercury Mountaineer?

The service operation for valve guide seals begins by removing valve springs first. Remove the valve springs before proceeding to the valve stem seal removal process. Clean engine oil lubrication of new valve stem seals precedes their installation through the Valve Stem Seal Installer application. Finally, reinstall the valve springs.

OEM Mercury Mountaineer Valve Stem Seal

Engine Valve Seal

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4 Valve Stem Seals found

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Mercury Mountaineer 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:
- 2002-2005 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 8 Cyl 4.6 L GAS
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Mercury Mountaineer Valve Seals
Part Number: F77Z-6571-AB
$3.40 MSRP: $4.81
You Save: $1.41 (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: SOHC
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1998-2010 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS
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Mercury Mountaineer 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:
- 2006-2010 Mercury Mountaineer | Luxury, Premier | 8 Cyl 4.6 L GAS
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Mercury Mountaineer Valve Seals
Part Number: F3ZZ-6571-C
$2.04 MSRP: $2.89
You Save: $0.85 (30%)
Ships in 1-3 Business Days
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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:
- 1997-2001 Mercury Mountaineer | Base | 8 Cyl 5.0 L GAS

Mercury Mountaineer Valve Stem Seal

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Mercury Mountaineer Valve Stem Seal Parts Questions & Experts Answers

Valve Seals
3L3Z-6571-DA
Q: How to Service and Repair Valve Stem Seals on Mercury Mountaineer?
A: The service operation for valve guide seals begins by removing valve springs first. Remove the valve springs before proceeding to the valve stem seal removal process. Clean engine oil lubrication of new valve stem seals precedes their installation through the Valve Stem Seal Installer application. Finally, reinstall the valve springs.