How to Service and Repair the Main Bearing Crankshaft Seal on 2009 Mercury Mountaineer?

To replace the crankshaft main bearing seal, dismantle the flexplate, the spacer plate and existing speedy sleeve. Apply an Oil Seal Remover on the old seal. Wipe and lubricate the crankshaft surface and fit the new seal with a speedy sleeve by using the right tools. Put back the flexplate parts.

OEM 2009 Mercury Mountaineer Crankshaft Seal

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3 Crankshaft Seals found

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2009 Mercury Mountaineer Rear Main Seal Part Number: F5TZ-6701-A
$31.53 MSRP: $44.72
You Save: $13.19 (30%)
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Product Specifications
- Other Name: Seal Assembly - Crankshaft Oil; Engine Crankshaft Seal, Rear; Crankshaft Seal; Rear Seal; Oil Pan Rear Seal; Engine Crankshaft Seal
- Position: Rear
- Replaces: F77Z-6701-AA, D7RZ-6701-A, F77Z-6701-BA
- Base No.: 6701
- Item Weight: 0.30 Pounds
- Item Dimensions: 9.2 x 7.3 x 1.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: F5TZ-6701-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
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Fits the following 2009 Mercury Mountaineer Submodels:
- Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS, 8 Cyl 5.0 L GAS
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2009 Mercury Mountaineer Rear Main Seal Part Number: F4AZ-6701-A
$29.36 MSRP: $41.65
You Save: $12.29 (30%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Seal Assembly - Crankshaft Oil; Engine Crankshaft Seal, Rear; Timing Cover Gasket; Timing Cover Seal; Oil Seal; Crankshaft Seal; Rear Seal; Timing Cover Seal; Oil Pan Seal.
- Position: Rear
- Replaces: F3AZ-6701-B
- Base No.: 6701
- Item Weight: 0.30 Pounds
- Item Dimensions: 8.4 x 6.7 x 1.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: F4AZ-6701-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2009 Mercury Mountaineer Submodels:
- Base, Convenience, Luxury, Premier | 8 Cyl 4.6 L GAS
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2009 Mercury Mountaineer Rear Main Seal Part Number: 6L3Z-6K301-AA
$39.80 MSRP: $57.93
You Save: $18.13 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Retainer - Crankshaft Oil Seal; Crankshaft Seal; Rear Main Seal Retainer
- Replaces: 3L3Z-6K301-BA
- Base No.: 6K301
- Item Weight: 1.80 Pounds
- Item Dimensions: 9.1 x 3.0 x 10.2 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 6L3Z-6K301-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2009 Mercury Mountaineer Submodels:
- Premier | 8 Cyl 4.6 L GAS

2009 Mercury Mountaineer Crankshaft Seal

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2009 Mercury Mountaineer Crankshaft Seal Parts Q&A

Q: How to Service and Repair the Main Bearing Crankshaft Seal on 2009 Mercury Mountaineer?
A: To replace the crankshaft main bearing seal, dismantle the flexplate, the spacer plate and existing speedy sleeve. Apply an Oil Seal Remover on the old seal. Wipe and lubricate the crankshaft surface and fit the new seal with a speedy sleeve by using the right tools. Put back the flexplate parts.