How to Service and Repair a Crankshaft Seal on Ford F-150?

You should start crankshaft main bearing seal service and repair by removing the flexplate then the engine-to-transmission spacer plate. You should employ the Impact Slide Hammer together with the Crankshaft Rear Oil Slinger Remover to remove the crankshaft oil slinger that needs disposal. You must utilize the Impact Slide Hammer and the Crankshaft Rear Seal Remover to pull out the crankshaft rear seal before discarding it. Apply clean engine oil to the inside part of the new crankshaft rear seal before installing it with the help of the 2 Crankshaft Rear Seal Installers. After distributing engine oil to the new crankshaft rear oil slinger, use the combo of 2 Crankshaft Rear Seal Installers and the Crankshaft Rear Oil Slinger Installer to set in both components. Drive the engine-to-transmission spacer plate together with the flexplate during reinstallation.

OEM Ford F-150 Crankshaft Seal

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19 Crankshaft Seals found

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Ford F-150 Rear Main Seal Retainer Part Number: BR3Z-6K301-B
$46.65 MSRP: $66.73
You Save: $20.08 (31%)
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Product Specifications
- Other Name: Retainer - Crankshaft Oil Seal
- Replaces: BR3Z-6K301-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011-2017 Ford F-150 | FX2, FX4, King Ranch, Lariat, Platinum, SSV, STX, XL, XLT | 8 Cyl 5.0 L FLEX
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Ford F-150 Oil Seal, Front Part Number: XW4Z-6700-AA
$11.43 MSRP: $16.22
You Save: $4.79 (30%)
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Product Specifications
- Other Name: Seal Assembly - Crankshaft Oil - Front; Engine Crankshaft Seal, Front; Timing Cover Gasket; Timing Cover Seal; Crankshaft Seal; Front Crank Seal; Timing Cover Oil Seal; Engine Crankshaft Seal
- Position: Front
- Replaces: XW4Z-6700-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999-2023 Ford F-150 | Base, FX2, FX4, Harley-Davidson Edition, King Ranch, Lariat, Lightning, Limited, Platinum, Police Responder, Raptor, SSV, STX, SVT Raptor, THE 60TH ANNIVERSARY EDITION, Tremor, XL, XLT | 6 Cyl 3.3 L FLEX, 6 Cyl 3.5 L FLEX, 6 Cyl 3.5 L FULL HYBRID EV-GAS (FHEV), 6 Cyl 3.5 L GAS, 6 Cyl 3.7 L CNG, 6 Cyl 3.7 L FLEX, 6 Cyl 3.7 L LPG, 8 Cyl 4.6 L GAS, 8 Cyl 5.4 L BI-FUEL, 8 Cyl 5.4 L CNG, 8 Cyl 5.4 L FLEX, 8 Cyl 5.4 L GAS, 8 Cyl 6.2 L GAS
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Ford F-150 Rear Main Seal Part Number: F4AZ-6701-A
$33.89 MSRP: $49.33
You Save: $15.44 (32%)
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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:
- 1997-2010 Ford F-150 | Base, FX2, FX4, Harley-Davidson Edition, King Ranch, Lariat, Lightning, Limited, Platinum, STX, SVT Raptor, THE 60TH ANNIVERSARY EDITION, XL, XLT | 8 Cyl 4.6 L GAS, 8 Cyl 5.4 L BI-FUEL, 8 Cyl 5.4 L CNG, 8 Cyl 5.4 L FLEX, 8 Cyl 5.4 L GAS
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Ford F-150 Rear Main Seal Part Number: JR3Z-6701-A
$13.17 MSRP: $19.00
You Save: $5.83 (31%)
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Product Specifications
- Other Name: Seal Assembly - Crankshaft Oil; Engine Crankshaft Seal, Rear; Rear Seal; Crankshaft Seal
- Position: Rear
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2018-2023 Ford F-150 | King Ranch, Lariat, Platinum, SSV, Tremor, XL, XLT | 6 Cyl 2.7 L GAS, 8 Cyl 5.0 L FLEX
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Ford F-150 Rear Main Seal Part Number: AT4Z-6701-A
$31.73 MSRP: $45.00
You Save: $13.27 (30%)
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Product Specifications
- Other Name: Seal Assembly - Crankshaft Oil; Engine Crankshaft Seal, Rear; Crankshaft Seal; Rear Seal; Engine Crankshaft Seal
- Position: Rear
- Replaces: 7T4Z-6701-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011-2023 Ford F-150 | FX2, FX4, Harley-Davidson Edition, King Ranch, Lariat, Lariat Limited, Limited, Platinum, Police Responder, Raptor, SSV, STX, SVT Raptor, Tremor, XL, XLT | 6 Cyl 2.7 L GAS, 6 Cyl 3.3 L FLEX, 6 Cyl 3.5 L FULL HYBRID EV-GAS (FHEV), 6 Cyl 3.5 L GAS, 6 Cyl 3.7 L CNG, 6 Cyl 3.7 L FLEX, 6 Cyl 3.7 L LPG, 8 Cyl 5.0 L FLEX, 8 Cyl 6.2 L GAS
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Ford F-150 Rear Main Seal Retainer Part Number: 6C3Z-6K301-A
$45.47 MSRP: $66.18
You Save: $20.71 (32%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Retainer - Crankshaft Oil Seal; Oil Pan Rear Seal
- Manufacturer Note: Gasket Is RTV. Refer To Workshop Manual For Proper Specs
- Replaces: 3L3Z-6K301-AA, 3L3Z-6K301-CA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2009-2010 Ford F-150 | FX2, FX4, Harley-Davidson Edition, King Ranch, Lariat, Platinum, STX, SVT Raptor, XL, XLT | 8 Cyl 4.6 L GAS, 8 Cyl 5.4 L FLEX
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Ford F-150 Crankshaft Seal, Front Part Number: XW4Z-6700-B
$6.44 MSRP: $9.13
You Save: $2.69 (30%)
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Product Specifications
- Other Name: Seal Assembly - Crankshaft Oil - Front; Engine Crankshaft Seal, Front; Timing Cover Gasket; Timing Cover Seal; Front Crank Seal; Front Seal; Front Cover Seal; Crankshaft Seal Gasket; Engine Crankshaft Seal
- Position: Front
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2021-2023, 2010-2017 Ford F-150 | FX2, FX4, Harley-Davidson Edition, King Ranch, Lariat, Lariat Limited, Platinum, SSV, STX, SVT Raptor, XL, XLT | 6 Cyl 2.7 L GAS, 8 Cyl 5.0 L FLEX, 8 Cyl 6.2 L GAS
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Ford F-150 Rear Main Seal Part Number: F1SZ-6701-A
$18.57 MSRP: $26.33
You Save: $7.76 (30%)
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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 Oil Seal; Engine Crankshaft Seal
- Position: Rear
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2008, 1992-2003 Ford F-150 | Base, Custom, Eddie Bauer, Special, STX, XL, XLT, XLT Lariat | 6 Cyl 4.2 L GAS, 8 Cyl 5.0 L GAS
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Ford F-150 Rear Main Seal Retainer Part Number: CG1Z-6335-B
$35.42 MSRP: $50.67
You Save: $15.25 (31%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Retainer - Crankshaft Oil Seal
- Replaces: 7T4Z-6K301-A, AT4Z-6K301-B, CG1Z-6K301-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011-2023 Ford F-150 | FX2, FX4, King Ranch, Lariat, Limited, Platinum, Police Responder, Raptor, SSV, STX, Tremor, XL, XLT | 6 Cyl 3.3 L FLEX, 6 Cyl 3.5 L FLEX, 6 Cyl 3.5 L FULL HYBRID EV-GAS (FHEV), 6 Cyl 3.5 L GAS, 6 Cyl 3.7 L CNG, 6 Cyl 3.7 L FLEX, 6 Cyl 3.7 L LPG
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Ford F-150 Rear Main Seal Part Number: 6L3Z-6K301-AA
$40.50 MSRP: $57.93
You Save: $17.43 (31%)
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
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2009-2010 Ford F-150 | FX2, STX, XL, XLT | 8 Cyl 4.6 L GAS
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Ford F-150 Rear Main Seal Retainer Part Number: AL3Z-6K301-A
$32.78 MSRP: $46.50
You Save: $13.72 (30%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Retainer - Crankshaft Oil Seal
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2011-2014 Ford F-150 | FX2, FX4, Harley-Davidson Edition, Lariat, Lariat Limited, Platinum, SVT Raptor, XLT | 8 Cyl 6.2 L GAS
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Ford F-150 Rear Main Seal Retainer Part Number: ML3Z-6K301-A
$15.46 MSRP: $22.50
You Save: $7.04 (32%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Retainer - Crankshaft Oil Seal
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2021-2023 Ford F-150 | King Ranch, Lariat, Platinum, SSV, Tremor, XL, XLT | 8 Cyl 5.0 L FLEX
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Ford F-150 Rear Main Seal Retainer Part Number: CK5Z-6335-A
$78.47 MSRP: $114.22
You Save: $35.75 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Retainer - Crankshaft Oil Seal
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2018-2021 Ford F-150 | King Ranch, Lariat, Platinum, XL, XLT | 6 Cyl 3.0 L DIESEL
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Ford F-150 Rear Main Seal Retainer Part Number: JR3Z-6K301-A
$48.83 MSRP: $69.85
You Save: $21.02 (31%)
ADD TO CART
Product Specifications
- Other Name: Retainer - Crankshaft Oil Seal
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2018-2020 Ford F-150 | King Ranch, Lariat, Platinum, SSV, XL, XLT | 8 Cyl 5.0 L FLEX
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Ford F-150 Rear Main Seal Retainer Part Number: JT4Z-6335-B
$29.31 MSRP: $42.67
You Save: $13.36 (32%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Retainer - Crankshaft Oil Seal
- Replaced by: JT4Z-6335-C
- Replaces: JT4Z-6335-A, FT4Z-6335-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2015-2023 Ford F-150 | Lariat, XL, XLT | 6 Cyl 2.7 L GAS
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Ford F-150 Rear Main Seal Part Number: F1TZ-6701-A
Product Specifications
- Other Name: Seal Assembly - Crankshaft Oil; Engine Crankshaft Seal, Rear; Rear Seal; Engine Crankshaft Seal; Crankshaft Seal
- Position: Rear
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1992-1996 Ford F-150 | Custom, Eddie Bauer, Lightning, Special, XL, XLT, XLT Lariat | 6 Cyl 4.9 L BI-FUEL, 6 Cyl 4.9 L GAS, 8 Cyl 5.8 L GAS
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Ford F-150 Rear Main Seal Part Number: E5ZZ-6701-A
Product Specifications
- Other Name: Seal Assembly - Crankshaft Oil; Engine Crankshaft Seal; Crankshaft Seal
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1984-1987 Ford F-150 | Base, Custom, XL, XLT, XLT Lariat | 8 Cyl 5.0 L GAS
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Ford F-150 Rear Main Seal Part Number: E7AZ-6701-A
Product Specifications
- Other Name: Seal Assembly - Crankshaft Oil; Engine Crankshaft Seal, Rear; Engine Crankshaft Seal; Crankshaft Seal
- Position: Rear
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1984-1991 Ford F-150 | Base, Custom, XL, XLT, XLT Lariat | 6 Cyl 4.9 L GAS, 6 Cyl 4.9 L LPG, 8 Cyl 5.8 L GAS
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Ford F-150 Rear Main Seal Part Number: E3TZ-6701-A
Product Specifications
- Other Name: Seal Assembly - Crankshaft; Engine Crankshaft Seal; Crankshaft Seal
- Position: Rear
- Replaced by: F2TZ-6701-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1984 Ford F-150 | Base, XL, XLT | 8 Cyl 6.9 L DIESEL

Ford F-150 Crankshaft Seal

OEM Crankshaft Seal boasts unmatched quality. Each part goes through full quality checks. They adhere to Ford's official factory standards. These steps remove flaws and inconsistencies. So you can get Crankshaft Seal with long life and a perfect fit. Come to our website and find genuine Ford F-150 parts. We keep a wide inventory of OEM F-150 parts at the highly affordable prices. It's easy to search, compare, and pick what you need. You'll love the clear info and simple checkout. We offer top-rated customer service, and we reply fast. We also ship promptly to ensure your order arrives on time.

The Crankshaft Seal it is a part situated at the front of the engine in the Ford F-150 vehicles and its main role is to avoid oil leakage from the crankcase. Usually made of metal and rubber, this kind of seal must be round and it is responsible for continued supply of oil in the engine which in turn decrease friction between different parts of the engine. Many designs of Crankshaft Seal have been used on various Ford F-150 years, the main differences are usually in the material and structure used to improve on durability and functionality. This component is referred to as the Crankshaft Seal, and when the car is old or the current one is damaged, there are chances that the car will develop Oil leakages, which may necessitate the replacement of this part in order to have the car's engine working well as intended. Yet again, well timed servicing of Crankshaft Seal plays a significant role in the durability of Ford F-150.

Ford F-150 Crankshaft Seal Parts and Q&A

Rear Main Seal
6L3Z-6K301-AA
Q: How to Service and Repair a Crankshaft Seal on Ford F-150?
A:
You should start crankshaft main bearing seal service and repair by removing the flexplate then the engine-to-transmission spacer plate. You should employ the Impact Slide Hammer together with the Crankshaft Rear Oil Slinger Remover to remove the crankshaft oil slinger that needs disposal. You must utilize the Impact Slide Hammer and the Crankshaft Rear Seal Remover to pull out the crankshaft rear seal before discarding it. Apply clean engine oil to the inside part of the new crankshaft rear seal before installing it with the help of the 2 Crankshaft Rear Seal Installers. After distributing engine oil to the new crankshaft rear oil slinger, use the combo of 2 Crankshaft Rear Seal Installers and the Crankshaft Rear Oil Slinger Installer to set in both components. Drive the engine-to-transmission spacer plate together with the flexplate during reinstallation.