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.

How to Service and Repair the Rear Crankshaft Seal on Ford Mustang?

Exchanging and fixing the crankshaft rear seal requires starting with the removal of the flexplate or flywheel and then removing the spacer plate. A completed original crankshaft rear seal operates without a speedy sleeve although this feature exists in a new replacement seal. The removal of a metal speedy sleeve requires two screwdrivers or small pry bars to continue with any operation. You need to use Oil Seal Remover since it will help prevent damage to the crankshaft rear seal running surface when performing the removal step. Installation of the new crankshaft rear seal requires you to keep the provided speedy sleeve attached to the seal. Preparatively clean the crankshaft rear sealing surface with extra-fine emery cloth while using 0000 steel wool followed by applying clean engine oil to lubricate the crankshaft rear oil seal. Position the crankshaft rear seal with its speedy sleeve encircling the screws and adapter before using the Crankshaft Rear Oil Seal Installer to put the seal into place. The replacement process ends with the reinstallation of the flexplate-to-crankshaft spacer and spacer plate and flexplate or flywheel.

How to service and repair the front crankshaft seal on Ford Ranger?

A service procedure for front crankshaft seal requires initial removal of timing belt cover and crankshaft pulley then drive belt with bolt followed by timing chain belt removal and lastly crankshaft sprocket and key before the installation phase. Start by taking away both the timing chain or belt then you should remove the crankshaft sprocket followed by the crankshaft key. Before using Front Cover Seal Remover 303-108 users must verify that its jaws wrap securely around the thin edge of the seal before operating the jack screw to remove the seal which must be discarded. The product and Front Seal Replacer help you set a new front seal before you take the tool off the engine front cover. Put the crankshaft key into its keyway before installing the crankshaft sprocket and the timing chain or belt. The procedure ends with reinstalling and securing the timing belt cover after putting on the crankshaft pulley and tightening its bolt and washer.

OEM Ford Crankshaft Seal

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50 Crankshaft Seals found

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Ford Rear Main Seal Retainer
Part Number: AT4Z-6K301-B
$47.18 MSRP: $67.50
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Product Specifications
- Other Name: Retainer - Crankshaft; Retainer - Crankshaft Oil Seal
- Replaced by: CG1Z-6335-B
Fits the following Ford Models:
- Edge | 2011-2013 | Limited, SE, SEL, Sport | 6 Cyl 3.5 L GAS, 6 Cyl 3.7 L GAS
- Fusion | 2010-2012 | Sport | 6 Cyl 3.5 L GAS
- Police Interceptor Utility | 2013-2015 | Base | 6 Cyl 3.7 L FLEX, 6 Cyl 3.7 L GAS
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Ford Rear Main Seal Retainer
Part Number: 7T4Z-6K301-A
$47.18 MSRP: $67.50
You Save: $20.32 (31%)
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Product Specifications
- Other Name: Retainer - Crankshaft; Retainer - Crankshaft Oil Seal
- Replaced by: CG1Z-6335-B
Fits the following Ford Models:
- Edge | 2007-2010 | Limited, SE, SEL, SEL Plus, Sport | 6 Cyl 3.5 L GAS
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Ford Rear Main Seal
Part Number: 3C3Z-6701-B
$57.40 MSRP: $88.17
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Product Specifications
- Other Name: Seal Assembly - Crankshaft Oil; Engine Crankshaft Seal, Rear; Timing Cover Seal; Rear Seal; Timing Cover Rear Seal; Gasket Rear Seal; Engine Crankshaft Seal; Crankshaft Seal
- Position: Rear
- Replaces: 3C3Z-6701-AA, 3C3Z-6701-A
Fits the following Ford Models:
- E-350 Super Duty | 2004-2010 | Base, Chateau, XL, XLT | 8 Cyl 6.0 L DIESEL
- Excursion | 2003-2005 | Eddie Bauer, Limited, XLS, XLT | 8 Cyl 6.0 L DIESEL
- F-250 Super Duty | 2003-2010 | Cabela's, FX4, Harley-Davidson Edition, King Ranch, Lariat, XL, XLT | 8 Cyl 6.0 L DIESEL, 8 Cyl 6.4 L DIESEL
- F-350 Super Duty | 2003-2010 | Cabela's, FX4, Harley-Davidson Edition, King Ranch, Lariat, XL, XLT | 8 Cyl 6.0 L DIESEL, 8 Cyl 6.4 L DIESEL
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Ford Rear Main Seal Retainer
Part Number: CG1Z-6335-B
$47.18 MSRP: $67.50
You Save: $20.32 (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
Fits the following Ford Models:
- Edge | 2013-2018 | Limited, SE, SEL, Sport, Titanium | 6 Cyl 3.5 L GAS, 6 Cyl 3.7 L GAS
- Expedition | 2015-2023 | EL King Ranch, EL Limited, EL Platinum, EL SSV, EL XL, EL XLT, King Ranch, Limited, Max King Ranch, Max Limited, Max Platinum, Max SSV, Max XL, Max XLT, Platinum, SSV, Timberline, XL, XL STX, XLT | 6 Cyl 3.5 L FLEX, 6 Cyl 3.5 L GAS
- Explorer | 2011-2023 | Base, Limited, Limited Hybrid, Platinum, Platinum Hybrid, Sport, XLT | 6 Cyl 3.3 L FLEX, 6 Cyl 3.3 L FULL HYBRID EV-GAS (FHEV), 6 Cyl 3.5 L GAS
- F-150 | 2011-2023 | 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
- Flex | 2009-2019 | Limited, SE, SEL, Titanium | 6 Cyl 3.5 L GAS
- Mustang | 2011-2017 | Base, V6 | 6 Cyl 3.7 L GAS
- Police Interceptor Sedan | 2013-2019 | Base | 6 Cyl 3.5 L FLEX, 6 Cyl 3.5 L GAS, 6 Cyl 3.7 L FLEX, 6 Cyl 3.7 L GAS
- Police Interceptor Utility | 2014-2023 | Base | 6 Cyl 3.3 L FLEX, 6 Cyl 3.3 L FULL HYBRID EV-GAS (FHEV), 6 Cyl 3.5 L GAS, 6 Cyl 3.7 L FLEX, 6 Cyl 3.7 L GAS
- Taurus | 2008-2019 | Limited, SE, SEL, SHO | 6 Cyl 3.5 L FLEX, 6 Cyl 3.5 L GAS
- Taurus X | 2008-2009 | Eddie Bauer, Limited, SEL | 6 Cyl 3.5 L GAS
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Ford Rear Main Seal
Part Number: F4TZ-6701-A
$77.97 MSRP: $113.50
You Save: $35.53 (32%)
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Product Specifications
- Other Name: Seal Assembly - Crankshaft Oil; Engine Crankshaft Seal, Rear; Engine Crankshaft Seal; Crankshaft Seal
- Position: Rear
Fits the following Ford Models:
- E-350 Econoline | 1995-1998 | Base, XL | 8 Cyl 7.3 L DIESEL
- E-350 Econoline Club Wagon | 1995-2002 | Chateau, Chateau HD, Custom, XL, XL HD, XLT, XLT HD | 8 Cyl 7.3 L DIESEL
- E-350 Super Duty | 1999-2003 | Base, XL | 8 Cyl 7.3 L DIESEL
- Excursion | 2000-2003 | Eddie Bauer, Limited, XLT | 8 Cyl 7.3 L DIESEL
- F-250 | 1994-1996 | Eddie Bauer, Special, XL, XLT | 8 Cyl 7.3 L DIESEL
- F-250 HD | 1997 | XL, XLT | 8 Cyl 7.3 L DIESEL
- F-250 Super Duty | 1999-2003 | Lariat, XL, XLT | 8 Cyl 7.3 L DIESEL
- F-350 | 1994-1997 | Base, Eddie Bauer, Special, XL, XLT | 8 Cyl 7.3 L DIESEL
- F-350 Super Duty | 1999-2003 | King Ranch, Lariat, XL, XLT | 8 Cyl 7.3 L DIESEL
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Ford Rear Main Seal
Part Number: JR3Z-6701-A
$13.59 MSRP: $19.62
You Save: $6.03 (31%)
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Product Specifications
- Other Name: Seal Assembly - Crankshaft Oil; Engine Crankshaft Seal, Rear; Rear Seal; Crankshaft Seal
- Position: Rear
Fits the following Ford Models:
- Bronco | 2021-2023 | Badlands, Base, Big Bend, Black Diamond, First Edition, Heritage Limited Edition, Outer Banks, Raptor, Wildtrak | 6 Cyl 2.7 L GAS, 6 Cyl 3.0 L GAS
- E-350 Super Duty | 2021-2024 | Base | 8 Cyl 7.3 L GAS
- Explorer | 2020-2023 | King Ranch, Platinum, ST | 6 Cyl 3.0 L GAS
- F-150 | 2018-2023 | King Ranch, Lariat, Platinum, SSV, Tremor, XL, XLT | 6 Cyl 2.7 L GAS, 8 Cyl 5.0 L FLEX
- F-250 Super Duty | 2020-2023 | King Ranch, Lariat, Platinum, XL, XLT | 8 Cyl 6.8 L GAS, 8 Cyl 7.3 L GAS
- F-350 Super Duty | 2020-2023 | King Ranch, Lariat, Platinum, XL, XLT | 8 Cyl 6.8 L GAS, 8 Cyl 7.3 L GAS
- Mustang | 2018-2023 | Bullitt, GT, GT Premium, Mach 1 | 8 Cyl 5.0 L GAS
- Police Interceptor Utility | 2020-2023 | Base | 6 Cyl 3.0 L GAS
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Ford Rear Main Seal Retainer
Part Number: 6C3Z-6K301-A
$45.47 MSRP: $66.18
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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
Fits the following Ford Models:
- E-150 | 2008-2014 | Base, XL, XLT | 8 Cyl 4.6 L GAS, 8 Cyl 5.4 L CNG, 8 Cyl 5.4 L FLEX, 8 Cyl 5.4 L GAS, 8 Cyl 5.4 L LPG
- E-250 | 2008-2014 | Base | 8 Cyl 4.6 L GAS, 8 Cyl 5.4 L CNG, 8 Cyl 5.4 L FLEX, 8 Cyl 5.4 L GAS, 8 Cyl 5.4 L LPG
- E-350 Super Duty | 2008-2019 | Base, XL, XLT | 10 Cyl 6.8 L CNG, 10 Cyl 6.8 L GAS, 10 Cyl 6.8 L LPG, 8 Cyl 5.4 L CNG, 8 Cyl 5.4 L FLEX, 8 Cyl 5.4 L GAS, 8 Cyl 5.4 L LPG
- Expedition | 2007-2014 | Eddie Bauer, EL Eddie Bauer, EL King Ranch, EL Limited, EL XL, EL XLT, Funkmaster Flex Edition, King Ranch, Limited, XL, XLT | 8 Cyl 5.4 L FLEX, 8 Cyl 5.4 L GAS
- Explorer | 2006-2008 | Eddie Bauer, Limited, XLT | 8 Cyl 4.6 L GAS
- F-150 | 2009-2010 | 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
- F-250 Super Duty | 2008-2010 | Cabela's, FX4, King Ranch, Lariat, XL, XLT | 8 Cyl 5.4 L GAS
- F-350 Super Duty | 2008-2010 | Cabela's, FX4, King Ranch, Lariat, XL, XLT | 8 Cyl 5.4 L GAS
- Mustang | 2005-2014 | GT, Shelby GT, Shelby GT500, Shelby GT500KR | 8 Cyl 4.6 L GAS, 8 Cyl 5.4 L GAS, 8 Cyl 5.8 L GAS
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Ford Oil Seal, Front
Part Number: XW4Z-6700-AA
$10.89 MSRP: $15.45
You Save: $4.56 (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
Fits the following Ford Models:
- E-150 | 2003-2014 | Base, Chateau, XL, XLT | 8 Cyl 4.6 L GAS, 8 Cyl 5.4 L CNG, 8 Cyl 5.4 L FLEX, 8 Cyl 5.4 L GAS, 8 Cyl 5.4 L LPG
- E-150 Club Wagon | 2003-2005 | Chateau, XL, XLT | 8 Cyl 4.6 L GAS, 8 Cyl 5.4 L GAS
- E-150 Econoline | 1999-2002 | Base, XL | 8 Cyl 4.6 L GAS, 8 Cyl 5.4 L GAS
- E-150 Econoline Club Wagon | 1999-2002 | Chateau, Custom, XL, XLT | 8 Cyl 4.6 L GAS, 8 Cyl 5.4 L GAS
- E-250 | 2003-2014 | Base | 8 Cyl 4.6 L GAS, 8 Cyl 5.4 L CNG, 8 Cyl 5.4 L FLEX, 8 Cyl 5.4 L GAS, 8 Cyl 5.4 L LPG
- E-250 Econoline | 1999-2002 | Base, XL | 8 Cyl 5.4 L BI-FUEL, 8 Cyl 5.4 L CNG, 8 Cyl 5.4 L GAS
- E-350 Club Wagon | 2003-2005 | Chateau, XL, XLT | 10 Cyl 6.8 L GAS, 8 Cyl 5.4 L CNG, 8 Cyl 5.4 L GAS
- E-350 Econoline Club Wagon | 1999-2002 | Chateau, Custom, XL, XLT | 10 Cyl 6.8 L GAS, 8 Cyl 5.4 L BI-FUEL, 8 Cyl 5.4 L CNG, 8 Cyl 5.4 L GAS
- E-350 Super Duty | 1999-2019 | Base, Chateau, XL, XLT | 10 Cyl 6.8 L CNG, 10 Cyl 6.8 L GAS, 10 Cyl 6.8 L LPG, 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 5.4 L LPG
- Edge | 2007-2018 | Limited, SE, SEL, SEL Plus, Sport, Titanium | 6 Cyl 3.5 L GAS, 6 Cyl 3.7 L GAS
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Ford 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
Fits the following Ford Models:
- Aerostar | 1990-1997, 1986 | Base, Eddie Bauer, XL, XL Plus, XL Sport, XLT, XLT Plus, XLT Sport | 6 Cyl 2.8 L GAS, 6 Cyl 4.0 L GAS
- Bronco II | 1984-1990 | Base, Eddie Bauer, XL, XL Sport, XLS, XLT, XLT Plus | 6 Cyl 2.8 L GAS, 6 Cyl 2.9 L GAS
- Explorer | 1991-2010 | Eddie Bauer, Expedition, Limited, NBX, Postal, Sport, XL, XL Fleet, XLS, XLS Sport, XLT, XLT Sport | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS
- Explorer Sport | 2001-2003 | Base, XLS, XLT | 6 Cyl 4.0 L GAS
- Explorer Sport Trac | 2007-2010, 2001-2005 | Adrenalin, Base, Limited, XL, XLS, XLT | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS
- Mustang | 2005-2010 | Base | 6 Cyl 4.0 L GAS
- Ranger | 1984-2011 | Base, Custom, Edge, FX4, GT, S, Splash, Sport, STX, Tremor, XL, XL Sport, XLS, XLT | 6 Cyl 2.8 L GAS, 6 Cyl 2.9 L GAS, 6 Cyl 4.0 L GAS
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Ford Oil Seal, Front
Part Number: BE8Z-6700-B
$5.65 MSRP: $8.01
You Save: $2.36 (30%)
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Product Specifications
- Other Name: Seal Assembly - Crankshaft Oil - Front; Engine Crankshaft Seal, Front; Multi-Purpose Seal; Timing Cover Seal; Crankshaft Seal; Front Crank Seal; Front Seal
- Position: Front
Fits the following Ford Models:
- Escape | 2013-2019 | SE, SEL, Titanium | 4 Cyl 1.5 L GAS, 4 Cyl 1.6 L GAS
- Fiesta | 2011-2019 | S, SE, SEL, SES, ST, ST Line, Titanium | 4 Cyl 1.6 L GAS
- Fusion | 2013-2020 | SE, SEL | 4 Cyl 1.5 L GAS, 4 Cyl 1.6 L GAS
- Transit Connect | 2014-2016 | Titanium, XL, XLT | 4 Cyl 1.6 L GAS
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Ford Rear Main Seal
Part Number: YS4Z-6701-BA
$88.57 MSRP: $122.50
You Save: $33.93 (28%)
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Product Specifications
- Other Name: Seal Assembly - Crankshaft Oil; Engine Crankshaft Seal, Rear; Rear Seal; Kit; Engine Crankshaft Seal; Crankshaft Seal
- Position: Rear
- Replaces: YS4Z-6701-AA
Fits the following Ford Models:
- Escape | 2001-2004 | Limited, XLS, XLT | 4 Cyl 2.0 L GAS
- Focus | 2000-2007 | S, SE, SES, Sony Limited Edition, SVT, ZTS, ZTW, ZX3, ZX4, ZX5, ZXW | 4 Cyl 2.0 L GAS
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Ford Rear Main Seal Retainer
Part Number: LC3Z-6L080-B
$282.16 MSRP: $414.33
You Save: $132.17 (32%)
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Product Specifications
- Other Name: Shield - Rear
- Position: Rear
- Replaced by: LC3Z-6L080-C
Fits the following Ford Models:
- F-250 Super Duty | 2020-2023 | King Ranch, Lariat, Limited, Platinum, XL, XLT | 8 Cyl 6.7 L DIESEL
- F-350 Super Duty | 2020-2023 | King Ranch, Lariat, Limited, Platinum, XL, XLT | 8 Cyl 6.7 L DIESEL
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Ford Rear Main Seal
Part Number: KR3Z-6701-A
$88.92 MSRP: $129.43
You Save: $40.51 (32%)
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Product Specifications
- Other Name: Seal Assembly - Crankshaft Oil; Engine Crankshaft Seal, Rear; Crankshaft Seal
- Position: Rear
Fits the following Ford Models:
- Mustang | 2020-2022 | Shelby GT500 | 8 Cyl 5.2 L GAS
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Ford Rear Main Seal Retainer
Part Number: JR3Z-6K301-A
$48.83 MSRP: $69.85
You Save: $21.02 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Retainer - Crankshaft Oil Seal
Fits the following Ford Models:
- F-150 | 2018-2020 | King Ranch, Lariat, Platinum, SSV, XL, XLT | 8 Cyl 5.0 L FLEX
- Mustang | 2018-2023 | Bullitt, GT, GT Premium, Mach 1, Shelby GT500 | 8 Cyl 5.0 L GAS, 8 Cyl 5.2 L GAS
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Ford Rear Main Seal Retainer
Part Number: ML3Z-6K301-A
$15.86 MSRP: $22.50
You Save: $6.64 (30%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Retainer - Crankshaft Oil Seal
Fits the following Ford Models:
- F-150 | 2021-2023 | King Ranch, Lariat, Platinum, SSV, Tremor, XL, XLT | 8 Cyl 5.0 L FLEX
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Ford Rear Main Seal Retainer
Part Number: LC3Z-6335-B
$66.38 MSRP: $96.62
You Save: $30.24 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Retainer - Crankshaft Oil Seal
Fits the following Ford Models:
- F-250 Super Duty | 2020-2022 | King Ranch, Lariat, Platinum, XL, XLT | 8 Cyl 6.2 L FLEX
- F-350 Super Duty | 2020-2022 | King Ranch, Lariat, Platinum, XL, XLT | 8 Cyl 6.2 L FLEX
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Ford Rear Main Seal
Part Number: GR3Z-6701-A
$48.31 MSRP: $69.12
You Save: $20.81 (31%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Seal Assembly - Crankshaft Oil; Engine Crankshaft Seal, Rear; Crankshaft Seal
- Position: Rear
Fits the following Ford Models:
- Mustang | 2015-2020 | Shelby GT350, Shelby GT350R | 8 Cyl 5.2 L GAS
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Ford Rear Main Seal
Part Number: BC3Z-6701-B
$12.10 MSRP: $17.17
You Save: $5.07 (30%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Seal Assembly - Crankshaft Oil; Engine Crankshaft Seal, Rear; Engine Crankshaft Seal; Crankshaft Seal
- Position: Rear
- Replaces: LC3Z-6701-A
Fits the following Ford Models:
- F-250 Super Duty | 2020-2023 | King Ranch, Lariat, Limited, Platinum, XL, XLT | 8 Cyl 6.7 L DIESEL
- F-350 Super Duty | 2020-2023 | King Ranch, Lariat, Limited, Platinum, XL, XLT | 8 Cyl 6.7 L DIESEL
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Ford Rear Main Seal Retainer
Part Number: JX6Z-6701-B
$20.15 MSRP: $29.33
You Save: $9.18 (32%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Seal Assembly - Crankshaft Oil
- Replaces: JX6Z-6335-B
Fits the following Ford Models:
- Bronco Sport | 2021-2023 | Base, Big Bend, Heritage Edition, Outer Banks | 3 Cyl 1.5 L GAS
- Escape | 2020-2023 | Active, Base, S, SE, SEL, ST-Line | 3 Cyl 1.5 L GAS
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Ford 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
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Product Specifications
- Other Name: Retainer - Crankshaft Oil Seal
Fits the following Ford Models:
- E-350 Super Duty | 2017-2019 | Base | 8 Cyl 6.2 L FLEX
- F-150 | 2011-2014 | FX2, FX4, Harley-Davidson Edition, Lariat, Lariat Limited, Platinum, SVT Raptor, XLT | 8 Cyl 6.2 L GAS
- F-250 Super Duty | 2011-2019 | King Ranch, Lariat, Platinum, XL, XLT | 8 Cyl 6.2 L FLEX
- F-350 Super Duty | 2011-2019 | King Ranch, Lariat, Platinum, XL, XLT | 8 Cyl 6.2 L FLEX
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Ford Crankshaft Seal Parts Questions & Experts Answers

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.
Rear Main Seal Retainer
6C3Z-6K301-A
Q: How to Service and Repair the Rear Crankshaft Seal on Ford Mustang?
A: Exchanging and fixing the crankshaft rear seal requires starting with the removal of the flexplate or flywheel and then removing the spacer plate. A completed original crankshaft rear seal operates without a speedy sleeve although this feature exists in a new replacement seal. The removal of a metal speedy sleeve requires two screwdrivers or small pry bars to continue with any operation. You need to use Oil Seal Remover since it will help prevent damage to the crankshaft rear seal running surface when performing the removal step. Installation of the new crankshaft rear seal requires you to keep the provided speedy sleeve attached to the seal. Preparatively clean the crankshaft rear sealing surface with extra-fine emery cloth while using 0000 steel wool followed by applying clean engine oil to lubricate the crankshaft rear oil seal. Position the crankshaft rear seal with its speedy sleeve encircling the screws and adapter before using the Crankshaft Rear Oil Seal Installer to put the seal into place. The replacement process ends with the reinstallation of the flexplate-to-crankshaft spacer and spacer plate and flexplate or flywheel.
Rear Main Seal
F37Z-6701-A
Q: How to service and repair the front crankshaft seal on Ford Ranger?
A: A service procedure for front crankshaft seal requires initial removal of timing belt cover and crankshaft pulley then drive belt with bolt followed by timing chain belt removal and lastly crankshaft sprocket and key before the installation phase. Start by taking away both the timing chain or belt then you should remove the crankshaft sprocket followed by the crankshaft key. Before using Front Cover Seal Remover 303-108 users must verify that its jaws wrap securely around the thin edge of the seal before operating the jack screw to remove the seal which must be discarded. The product and Front Seal Replacer help you set a new front seal before you take the tool off the engine front cover. Put the crankshaft key into its keyway before installing the crankshaft sprocket and the timing chain or belt. The procedure ends with reinstalling and securing the timing belt cover after putting on the crankshaft pulley and tightening its bolt and washer.