How to replace the rear crankshaft seal on Buick Regal?

To replace the Crankshaft rear oil seal one should, first, remove the engine fly wheel and be careful not to damage the Crankshaft outside diameter surface or chamfer with a tool. Next, pry out the Crankshaft rear oil seal while using a flat-bladed tool that is inserted through the dust lip and pushing the handle toward the end of the Crankshaft, repetitively if need be. Visual inspect inside diameter of the bore and adjust or replace the Crankshaft rear oil seal as required and inspect the Crankshaft for nicks or burrs on the face that touches the seal and make necessary Crankshaft repair or replacement. For installation anoint the new crank shaft rear oil seal with engine oil both on and off the inner diameter and slide over the mandrel until it bottoms against the collar of the j 38196 rear Crankshaft Seal installer (J 38196). Hand tighten the j 38196 onto the Crankshaft, or tighten screws to 5 nm (54 inch lbs.), then rotate the t-handle on the j 38196 until the collar seats against the case properly to ensure correct seating. Loosen the t-handle as far as it goes to slide the collar for the next new seal, then remove the attaching screws. Finally, reinstall the engine Flywheel, make necessary checks in the crankcase and examining for leaks.

How to replace the front crankshaft seal on Buick LaCrosse?

The crankshaft balancer should be the first component to remove during the replacement process of the crankshaft front oil seal. The appropriate tool for removing the seal is the Seal Remover (J45000). The front crankshaft oil seal together with its corresponding area on the crankshaft balancer must stay ungreased during any installation works. An equivalent tool to the Oil Seal Installer (J29184) must be used to properly install the crankshaft front oil seal before reinstalling the crankshaft balancer.

How to replace the front crankshaft seal on Buick Enclave?

The first step before changing the front Crankshaft oil seal requires removal of the Crankshaft balancer. You should use a flat-bladed instrument to take out the Crankshaft oil seal but handle it with care to protect both the engine front cover and the Crankshaft. Front Crankshaft oil seals do not require any lubrication before installation either on the Crankshaft or balancer sealing surfaces. The new Crankshaft front oil seal installation requires the utilization of the oil seal installer (J 29184) before reattaching the Crankshaft balancer.

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35 Crankshaft Seals found

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Buick Rear Main Seal
Part Number: 90325571
$13.73 MSRP: $22.59
You Save: $8.86 (40%)
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Product Specifications
- Other Name: Seal, Engine Rear Main Bearing; Crankshaft Seal
- Position: Rear
- Replaces: 96101489, 90352112, 96376569
Fits the following Buick Models:
- Encore | 2013-2020 | Base, Convenience, Essence, Leather, Preferred, Preferred II, Premium, Sport Touring | 4 Cyl 1.4 L GAS
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Buick Crankshaft Seal, Front
Part Number: 12582313
$12.23 MSRP: $20.14
You Save: $7.91 (40%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Seal Assembly-Crankshaft Front Oil; Timing Cover Gasket; Timing Cover Seal; Front Seal; Cover Seal; Crankshaft Balance Seal; Timing Cover Seal; Engine Front Cover Seal
- Position: Front
- Replaces: 24504098
Fits the following Buick Models:
- Century | 1986-1993 | Custom, Estate Wagon, Limited, Special, T-Type | 6 Cyl 3.3 L GAS, 6 Cyl 3.8 L GAS
- LaCrosse | 2005-2009 | CX, CXL | 6 Cyl 3.8 L GAS
- LeSabre | 1992-2005 | Custom, Limited | 6 Cyl 3.8 L GAS
- Lucerne | 2006-2008 | CX, CXL | 6 Cyl 3.8 L GAS
- Park Avenue | 1992-2005 | Base, Ultra | 6 Cyl 3.8 L GAS
- Regal | 1990-2004 | 25th Anniversary Edition, Custom, Gran Sport, GS, GSE, Limited, LS, LSE, Olympic Gold Edition | 6 Cyl 3.8 L GAS
- Riviera | 1995-1999, 1992-1993 | Base, Luxury | 6 Cyl 3.8 L GAS
- Skylark | 1985-1993 | Base, Custom, Gran Sport, Limited, Luxury Edition | 6 Cyl 2.8 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.3 L GAS
- Somerset | 1986-1987 | Custom, Limited, T-Type | 6 Cyl 3.0 L GAS
- Somerset Regal | 1985 | Base, Limited | 6 Cyl 3.0 L GAS
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Buick Rear Main Seal
Part Number: 12637710
$41.72 MSRP: $71.66
You Save: $29.94 (42%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Seal, Engine Rear Main Bearing; Crankshaft Seal; Rear Main Seal Gasket; Rear Main Seal Retainer
- Position: Rear
- Replaces: 12608748, 12620955, 12592243, 12592242
Fits the following Buick Models:
- Enclave | 2008-2021 | Avenir, Base, Convenience, CX, CXL, Essence, Leather, Preferred, Premium | 6 Cyl 3.6 L GAS
- LaCrosse | 2010-2016, 2005-2008 | Base, Convenience, CX, CXL, CXS, Leather, Premium, Sport Touring, Touring | 6 Cyl 3.0 L GAS, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
- Rendezvous | 2004-2006 | CX, CXL, CXL Plus, Ultra | 6 Cyl 3.6 L GAS
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Buick Front Crank Seal
Part Number: 89017621
$21.60 MSRP: $33.83
You Save: $12.23 (37%)
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Product Specifications
- Other Name: Seal Kit, Engine Rear Main Bearing; Front Seal
- Position: Front
Fits the following Buick Models:
- Rainier | 2004 | CXL, CXL Plus | 6 Cyl 4.2 L GAS
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Buick Oil Seal, Front
Part Number: 25193519
$8.86 MSRP: $17.20
You Save: $8.34 (49%)
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Product Specifications
- Other Name: Seal, Engine Front Cover & Crankshaft Seal; Engine Crankshaft Seal; Crankshaft Seal; Front Crank Seal; Timing Cover Seal; Front Seal; Front Cover Seal; Seal, Engine Oil Pump Body
- Position: Front
Fits the following Buick Models:
- Encore | 2013-2021 | Base, Convenience, Essence, Leather, Preferred, Preferred II, Premium, Sport Touring | 4 Cyl 1.4 L GAS
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Buick Oil Seal, Green Line, Front
Part Number: 12584041
$8.95 MSRP: $16.80
You Save: $7.85 (47%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Seal-Crankshaft Front Oil; Engine Crankshaft & Camshaft Seals; Timing Cover Gasket & Seal.; Front Crank Seal; Timing Cover Front Seal; Engine Front Cover & Crankshaft Seal; Oil Pump Body Seal.
- Position: Front
- Replaces: 12580989, 55564509, 12609467, 90571925
Fits the following Buick Models:
- Cascada | 2016-2019 | Base, Premium, Sport Touring | 4 Cyl 1.6 L GAS
- LaCrosse | 2010-2016 | Base, Convenience, CX, CXL, Leather, Premium | 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
- Regal | 2011-2017 | Base, CXL, GS, Premium | 4 Cyl 2.0 L FLEX, 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS, 4 Cyl 2.4 L MILD HYBRID EV-GAS (MHEV)
- Verano | 2012-2017 | Base, Convenience, Leather, Premium, Sport Touring, Turbo | 4 Cyl 2.0 L GAS, 4 Cyl 2.4 L FLEX, 4 Cyl 2.4 L GAS
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Buick Oil Seal, Front
Part Number: 10128316
$21.07 MSRP: $39.56
You Save: $18.49 (47%)
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Product Specifications
- Other Name: Seal, Engine Front Cover & Crankshaft Seal; Timing Cover Gasket; Timing Cover Seal; Oil Filter Seal; Front Seal; Timing Cover Oil Seal; Crankshaft Seal
- Position: Front
Fits the following Buick Models:
- Commercial Chassis | 1994-1996 | Base | 8 Cyl 5.7 L GAS
- Roadmaster | 1994-1996 | Base, Collector's Edition, Estate Wagon, Estate Wagon Collector's Edition, Limited, Limited Collector's Edition | 8 Cyl 5.7 L GAS
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Buick Rear Main Seal
Part Number: 90280462
$23.26 MSRP: $38.33
You Save: $15.07 (40%)
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Product Specifications
- Other Name: Seal, Engine Rear Main Bearing; Crankshaft Seal
- Position: Rear
- Replaced by: 12591866
Fits the following Buick Models:
- Skyhawk | 1987-1988 | Custom, Limited, SE, Sport, T-Type | 4 Cyl 2.0 L GAS
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Buick Rear Main Seal
Part Number: 55576715
$20.40 MSRP: $31.95
You Save: $11.55 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Seal, Engine Rear Main Bearing; Crankshaft Seal
- Position: Rear
Fits the following Buick Models:
- Cascada | 2016-2019 | Base, Premium, Sport Touring | 4 Cyl 1.6 L GAS
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Buick Crankshaft Seal
Part Number: 90183572
$26.43 MSRP: $41.40
You Save: $14.97 (37%)
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Product Specifications
- Other Name: Seal, Engine Front Cover & Crankshaft Seal; Seal Ring; Front Crank Seal; Shaft Seals; Timing Cover Seal; Crankshaft Seal; Engine Oil Pump Cover.
- Position: Front
- Replaces: 90136297, 90156855
Fits the following Buick Models:
- Skyhawk | 1984-1989 | Custom, Limited, SE, Sport, T-Type | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS
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Buick Lower Timing Cover Seal, Front
Part Number: 55503998
$2.48 MSRP: $3.89
You Save: $1.41 (37%)
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Product Specifications
- Other Name: Seal-Crankshaft Front (O Ring); Seal, Engine Front Cover & Crankshaft Seal
- Position: Front
Fits the following Buick Models:
- Envision | 2021-2023 | Avenir, Essence, Preferred | 4 Cyl 2.0 L GAS
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Buick Rear Main Seal
Part Number: 10036788
$15.88 MSRP: $24.87
You Save: $8.99 (37%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Seal, Engine Rear Main Bearing; Crankshaft Seal
- Position: Rear
Fits the following Buick Models:
- Century | 1984-1992 | Custom, Estate, Estate Wagon, Limited, Olympia Limited, Special | 4 Cyl 2.5 L GAS
- Skylark | 1984-1991 | Base, Custom, Gran Sport, Limited, Luxury Edition | 4 Cyl 2.5 L GAS
- Somerset | 1986-1987 | Custom, Limited, T-Type | 4 Cyl 2.5 L GAS
- Somerset Regal | 1985 | Base, Limited | 4 Cyl 2.5 L GAS
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Buick Front Crank Seal
Part Number: 14076303
$2.86 MSRP: $13.05
You Save: $10.19 (79%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Seal, Engine Front Cover & Crankshaft Seal; Timing Cover Gasket; Timing Cover Seal; Front Cover Seal
- Position: Front
Fits the following Buick Models:
- Skyhawk | 1985-1986 | Custom, Limited, Sport, T-Type | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS
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Buick Rear Main Seal
Part Number: 22545259
$13.34 MSRP: $21.99
You Save: $8.65 (40%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Seal, Engine Rear Main Bearing; Crankshaft Seal
- Position: Rear
Fits the following Buick Models:
- Skylark | 1992-1998 | Custom, Limited, Olympic Gold Edition | 4 Cyl 2.3 L GAS, 4 Cyl 2.4 L GAS
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Buick Oil Seal
Part Number: 552711
Product Specifications
- Other Name: Seal Assembly-Crankshaft Oil; Timing Cover Gasket; Timing Cover Seal; Crankshaft Seal; Front Crank Seal; Timing Cover Oil Seal; Front Cover Seal; Seal, Engine Front Cover & Crankshaft Seal
Fits the following Buick Models:
- Century | 1984-1985 | Custom, Estate, Estate Wagon, Limited, Olympia Limited | 6 Cyl 4.3 L DIESEL
- Electra | 1989, 1984-1987 | Estate Wagon, Limited, Park Avenue | 6 Cyl 4.3 L DIESEL, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L DIESEL
- LeSabre | 1984-1990 | Collector's Edition, Custom, Estate Wagon, Limited | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L DIESEL
- Regal | 1984-1987 | Base, Limited | 6 Cyl 4.3 L DIESEL, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L DIESEL
- Riviera | 1984-1985 | Base, Luxury | 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L DIESEL
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Buick Rear Main Seal
Part Number: 12581717
Product Specifications
- Other Name: Seal, Engine Rear Main Bearing
- Position: Rear
- Replaces: 24577096
Fits the following Buick Models:
- Rainier | 2004-2007 | CXL, CXL Plus | 6 Cyl 4.2 L GAS
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Buick Rear Main Seal
Part Number: 90122607
Product Specifications
- Other Name: Seal, Engine Rear Main Bearing; Crankshaft Seal
- Position: Rear
Fits the following Buick Models:
- Skyhawk | 1984-1986 | Custom, Limited, Sport, T-Type | 4 Cyl 1.8 L GAS
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Buick Crankshaft Seal
Part Number: 1193966
Product Specifications
- Other Name: Shedder-Crankshaft Oil; Front Crank Seal; Timing Cover Shield; Shedder, Engine Front Cover & Crankshaft Seal
Fits the following Buick Models:
- Electra | 1984 | Limited, Park Avenue | 6 Cyl 4.1 L GAS
- LeSabre | 1984-1985 | Collector's Edition, Custom, Limited | 6 Cyl 3.8 L GAS, 6 Cyl 4.1 L GAS
- Riviera | 1985 | Base, Luxury, T-Type | 6 Cyl 3.8 L GAS
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Buick Crankshaft Seal, Front
Part Number: 22531277
Product Specifications
- Other Name: Seal, Engine Front Cover & Crankshaft Seal; Timing Cover Gasket; Timing Cover Seal; Front Crank Seal; Timing Cover Oil Seal; Front Cover Seal; Timing Cover Front Seal; Seal
- Position: Front
Fits the following Buick Models:
- Skylark | 1988-1998 | Base, Custom, Gran Sport, Limited, Luxury Edition, Olympic Gold Edition | 4 Cyl 2.3 L GAS, 4 Cyl 2.4 L GAS
View related parts
Buick Rear Main Seal
Part Number: 10054563
Product Specifications
- Other Name: Seal Kit, Engine Rear Main Bearing; Crankshaft Seal
- Position: Rear
Fits the following Buick Models:
- Century | 1984-1987 | Custom, Estate Wagon, Limited | 6 Cyl 2.8 L GAS
- Skyhawk | 1984 | Custom, Limited | 4 Cyl 2.0 L GAS
- Skylark | 1984-1985 | Custom, Limited, T-Type | 6 Cyl 2.8 L GAS
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Buick Crankshaft Seal Parts Questions & Experts Answers

Rear Main Seal
12582320
Q: How to replace the rear crankshaft seal on Buick Regal?
A: To replace the Crankshaft rear oil seal one should, first, remove the engine fly wheel and be careful not to damage the Crankshaft outside diameter surface or chamfer with a tool. Next, pry out the Crankshaft rear oil seal while using a flat-bladed tool that is inserted through the dust lip and pushing the handle toward the end of the Crankshaft, repetitively if need be. Visual inspect inside diameter of the bore and adjust or replace the Crankshaft rear oil seal as required and inspect the Crankshaft for nicks or burrs on the face that touches the seal and make necessary Crankshaft repair or replacement. For installation anoint the new crank shaft rear oil seal with engine oil both on and off the inner diameter and slide over the mandrel until it bottoms against the collar of the j 38196 rear Crankshaft Seal installer (J 38196). Hand tighten the j 38196 onto the Crankshaft, or tighten screws to 5 nm (54 inch lbs.), then rotate the t-handle on the j 38196 until the collar seats against the case properly to ensure correct seating. Loosen the t-handle as far as it goes to slide the collar for the next new seal, then remove the attaching screws. Finally, reinstall the engine Flywheel, make necessary checks in the crankcase and examining for leaks.
Crankshaft Seal, Front
12582313
Q: How to replace the front crankshaft seal on Buick LaCrosse?
A: The crankshaft balancer should be the first component to remove during the replacement process of the crankshaft front oil seal. The appropriate tool for removing the seal is the Seal Remover (J45000). The front crankshaft oil seal together with its corresponding area on the crankshaft balancer must stay ungreased during any installation works. An equivalent tool to the Oil Seal Installer (J29184) must be used to properly install the crankshaft front oil seal before reinstalling the crankshaft balancer.
Oil Seal, Front
12608750
Q: How to replace the front crankshaft seal on Buick Enclave?
A: The first step before changing the front Crankshaft oil seal requires removal of the Crankshaft balancer. You should use a flat-bladed instrument to take out the Crankshaft oil seal but handle it with care to protect both the engine front cover and the Crankshaft. Front Crankshaft oil seals do not require any lubrication before installation either on the Crankshaft or balancer sealing surfaces. The new Crankshaft front oil seal installation requires the utilization of the oil seal installer (J 29184) before reattaching the Crankshaft balancer.