How to Service the Rear Crankshaft Seal on Mercury Mariner?

Service the crankshaft rear seal: be sure that the vehicle is in neutral on a hoist. Take off flexplate, drain engine oil, and take out the oil pan 17 bolts. Install new seal with special tool, clean the surfaces, use sealant and replace the oil pan and flexplate.

OEM Mercury Mariner Crankshaft Seal

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3 Crankshaft Seals found

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Mercury Mariner Rear Main Seal Part Number: 1S7Z-6A321-B
$56.44 MSRP: $86.70
You Save: $30.26 (35%)
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Product Specifications
- Other Name: Seal Assembly - Crankshaft Oil; Engine Crankshaft Seal, Rear; Crankshaft Seal; Rear Seal; Rear Main Seal Retainer
- Position: Rear
- Replaces: 1S7Z-6D309-AA, 1S7Z-6K301-AA, 1S7Z-6K301-BA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2011 Mercury Mariner | 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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Mercury Mariner 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
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2011 Mercury Mariner | Base, Luxury, Premier | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mercury Mariner Oil Seal, Front Part Number: CM5Z-6700-E
$8.94 MSRP: $12.68
You Save: $3.74 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Seal Assembly - Crankshaft Oil - Front; Engine Crankshaft Seal; Timing Cover Gasket & Seal.; Front Crank Seal; Front Seal; Front Cover Seal; Timing Cover Front Seal
- Position: Front
- Replaces: 1S7Z-6700-AA, CM5Z-6700-C, 9E5Z-6700-A, CM5Z-6700-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2011 Mercury Mariner | 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

Mercury Mariner Crankshaft Seal

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Mercury Mariner Crankshaft Seal Parts and Q&A

Rear Main Seal
1S7Z-6A321-B
Q: How to Service the Rear Crankshaft Seal on Mercury Mariner?
A: Service the crankshaft rear seal: be sure that the vehicle is in neutral on a hoist. Take off flexplate, drain engine oil, and take out the Oil Pan 17 bolts. Install new seal with special tool, clean the surfaces, use sealant and replace the oil pan and flexplate.