How to Service and Repair Valve Stem Seals on 2009 Mercury Mariner?

An environment should be clean, and the vehicle must be on the hoist in neutral to service the valve guide seals. Take out camshafts, labeling tappet positions where reusing. Break off spark plugs, spray compress air on cylinder No. 1, and utilise valve spring compressors to strip off and put seals in place. Repeat on rest of cylinders, and re-fit camshafts.

OEM 2009 Mercury Mariner Valve Stem Seal

Engine Valve Seal

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3 Valve Stem Seals found

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2009 Mercury Mariner 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
- Item Weight: 0.20 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- Require Quantity: 8
- SKU: 1S7Z-6571-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
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Fits the following 2009 Mercury Mariner Submodels:
- Base, Convenience, Hybrid, Premier | 4 Cyl 2.3 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.5 L GAS
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2009 Mercury Mariner 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
- Item Weight: 0.20 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 3S4Z-6571-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2009 Mercury Mariner Submodels:
- Base, Convenience, Hybrid, Premier | 4 Cyl 2.3 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.5 L GAS
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2009 Mercury Mariner Valve Seals Part Number: F5RZ-6571-B
$1.93 MSRP: $2.73
You Save: $0.80 (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; Exhaust Valve Seals; Intake Valve Seals
- Base No.: 6571
- Item Weight: 0.30 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: F5RZ-6571-B
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2009 Mercury Mariner Submodels:
- Base, Luxury, Premier | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS

2009 Mercury Mariner Valve Stem Seal

If you're seeking quality and affordability, look no further than our extensive inventory of genuine 2009 Mercury Mariner Valve Stem Seal available at FordPartsDeal.com. You can confidently purchase our OEM 2009 Mercury Mariner Valve Stem Seal as they are supported by the manufacturer's warranty and our hassle-free return policy, alongside the benefit of our fast delivery service.

2009 Mercury Mariner Valve Stem Seal Parts Q&A

Q: How to Service and Repair Valve Stem Seals on 2009 Mercury Mariner?
A: An environment should be clean, and the vehicle must be on the hoist in neutral to service the valve guide seals. Take out camshafts, labeling tappet positions where reusing. Break off spark plugs, spray compress air on cylinder No. 1, and utilise valve spring compressors to strip off and put seals in place. Repeat on rest of cylinders, and re-fit camshafts.