How to replace the front crankshaft seal on Chevrolet Silverado 1500?

You must remove the crankshaft balancer as the first step when replacing the crankshaft front oil seal. After removing the crankshaft front oil seal with a proper tool, check the engine front cover seal bore for damage. To install the new seal apply clean engine oil onto its external surface before using the Cover Aligner and Seal Installer (J 35468) and a hammer to properly position the crankshaft front oil seal without disturbing the alignment to the engine front cover. Finally, reinstall the crankshaft balancer.

How to replace the rear crankshaft seal on Chevrolet Silverado 1500?

Start by removing the Flywheel during replacement of the crankshaft rear oil seal. By using a flat-tipped screwdriver at the housing access notches you should gently remove the old seal before discarding it. First clean the area of dirt and rust accumulation before continuing the work. Add clean engine oil in amounts between 2 to 3 drops to the housing bore and outside diameters of the engine Flywheel pilot and Flywheel locator pin and Crankshaft Seal surface area. Measuring the j 35621-b (J 35621-B) flange for damage with emery cloth grade 1 to repair lightweight imperfections before using it. Apply clean engine oil to the outside diameter of the new seal before installing it onto the j 35621-b (J 35621-B) flange. Engine oil should never touch the seal lip surface. Pour 2-3 drops of clean engine oil onto the new seal then install the seal on top of the j 35621-b (J 35621-B). Hand-tighten bolts on the j 35621-b tool before setting it in position on the crankshaft rear. Secure the oil seal onto the crankshaft along its housing path by aligning it correctly near flush and square to avoid future failures. Use clockwise motion on the j 35621-b wing nut to push the seal into position near flush and square while experiencing heightened resistance as the seal approaches the bottom of the housing bore. Remove the j 35621-b by starting at first counterclockwise with the wing nut before taking the tool away. To complete the installation process you should use a clean rag to remove excess engine oil before placing the engine Flywheel in position.

OEM Chevrolet Silverado 1500 Crankshaft Seal

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9 Crankshaft Seals found

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Chevrolet Silverado 1500 Rear Main Seal, Front Part Number: 14090906
$18.41 MSRP: $30.33
You Save: $11.92 (40%)
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Product Specifications
- Other Name: Seal, Engine Front Cover & Crankshaft Seal; Timing Cover Gasket; Timing Cover Seal; Oil Seal; Crankshaft Seal; Front Crank Seal; Timing Cover Seal; Front Cover Seal; Engine Front Cover Seal.
- Position: Front
- Replaces: 12577710
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2013 Chevrolet Silverado 1500 | LS, WT | 6 Cyl 4.3 L GAS
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Chevrolet Silverado 1500 Rear Main Seal Part Number: 89060436
$24.24 MSRP: $39.93
You Save: $15.69 (40%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Seal Kit, Crankshaft Rear Oil; Crankshaft Seal; Seal Kit, Engine Rear Main Bearing; Seal, Engine Rear Main Bearing
- Position: Rear
- Replaces: 12550574, 12585671, 89018162
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2013 Chevrolet Silverado 1500 | Hybrid, LS, LT, LTZ, WT, XFE | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX
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Chevrolet Silverado 1500 Rear Main Seal Part Number: 12665076
$25.67 MSRP: $42.27
You Save: $16.60 (40%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Seal, Engine Rear Main Bearing; Crankshaft Seal
- Position: Rear
- Replaces: 12634615
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2023 Chevrolet Silverado 1500 | Custom, Custom Trail Boss, High Country, LS, LT, LT Trail Boss, LTZ, PPV, RST, SSV, WT, ZR2 | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 5.3 L MILD HYBRID EV-GAS (MHEV), 8 Cyl 6.2 L GAS
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Chevrolet Silverado 1500 Crankshaft Seal, Front Part Number: 12634614
$12.80 MSRP: $21.09
You Save: $8.29 (40%)
ADD TO CART
Product Specifications
- Other Name: Seal Assembly-Crankshaft Front Oil; Timing Cover Gasket; Timing Cover Seal; Front Crank Seal; Front Seal; Cover Seal; Front Cover Seal; Seal, Engine Front Cover & Crankshaft Seal
- Position: Front
- Replaces: 12693255
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2023 Chevrolet Silverado 1500 | Custom, Custom Trail Boss, High Country, LS, LT, LT Trail Boss, LTZ, PPV, RST, SSV, WT, ZR2 | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 5.3 L MILD HYBRID EV-GAS (MHEV), 8 Cyl 6.2 L GAS
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Chevrolet Silverado 1500 Oil Seal, Front Part Number: 10128316
$21.49 MSRP: $35.40
You Save: $13.91 (40%)
Ships in 1-2 Business Days
ADD TO CART
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
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1999-2007 Chevrolet Silverado 1500 | Base, LS, LT, WT | 6 Cyl 4.3 L GAS
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Chevrolet Silverado 1500 Rear Main Seal Part Number: 89018163
$31.62 MSRP: $52.08
You Save: $20.46 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Seal Kit, Crankshaft Rear Oil; Crankshaft Seal; Seal Kit, Engine Rear Main Bearing
- Position: Rear
- Replaces: 12555769
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1999-2013 Chevrolet Silverado 1500 | Base, LS, LT, WT | 6 Cyl 4.3 L GAS
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Chevrolet Silverado 1500 Rear Cover, Lower Part Number: 55515618
$65.50 MSRP: $107.89
You Save: $42.39 (40%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Cover Assembly-Timing Chain Lower; Crankshaft Seal; Timing Cover; Rear Main Seal Retainer; Rear Main Seal Housing; Housing
- Position: Lower
- Replaced by: 40009071
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2020-2023 Chevrolet Silverado 1500 | Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST | 6 Cyl 3.0 L DIESEL
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Chevrolet Silverado 1500 Crankshaft Seal, Front Part Number: 55509254
$8.59 MSRP: $14.16
You Save: $5.57 (40%)
ADD TO CART
Product Specifications
- Other Name: Seal Assembly-Crankshaft Front Oil; Timing Cover; Front Crank Seal; Front Cover; Seal, Engine Front Cover & Crankshaft Seal
- Position: Front
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2020-2023 Chevrolet Silverado 1500 | Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST | 6 Cyl 3.0 L DIESEL
View related parts
Chevrolet Silverado 1500 Rear Main Seal Part Number: 40009072
$12.00 MSRP: $19.05
You Save: $7.05 (38%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Seal, Engine Rear Main Bearing
- Position: Rear
- Replaces: 55506777, 55515617
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2020-2023 Chevrolet Silverado 1500 | Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST | 6 Cyl 3.0 L DIESEL

Chevrolet Silverado 1500 Crankshaft Seal

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Chevrolet Silverado 1500 Crankshaft Seal Parts and Q&A

Oil Seal, Front
10128316
Q: How to replace the front crankshaft seal on Chevrolet Silverado 1500?
A:
You must remove the crankshaft balancer as the first step when replacing the crankshaft front oil seal. After removing the crankshaft front oil seal with a proper tool, check the engine front cover seal bore for damage. To install the new seal apply clean engine oil onto its external surface before using the Cover Aligner and Seal Installer (J 35468) and a hammer to properly position the crankshaft front oil seal without disturbing the alignment to the engine front cover. Finally, reinstall the crankshaft balancer.
Rear Main Seal
89018163
Q: How to replace the rear crankshaft seal on Chevrolet Silverado 1500?
A:
Start by removing the Flywheel during replacement of the crankshaft rear oil seal. By using a flat-tipped screwdriver at the housing access notches you should gently remove the old seal before discarding it. First clean the area of dirt and rust accumulation before continuing the work. Add clean engine oil in amounts between 2 to 3 drops to the housing bore and outside diameters of the engine Flywheel pilot and Flywheel locator pin and Crankshaft Seal surface area. Measuring the j 35621-b (J 35621-B) flange for damage with emery cloth grade 1 to repair lightweight imperfections before using it. Apply clean engine oil to the outside diameter of the new seal before installing it onto the j 35621-b (J 35621-B) flange. Engine oil should never touch the seal lip surface. Pour 2-3 drops of clean engine oil onto the new seal then install the seal on top of the j 35621-b (J 35621-B). Hand-tighten bolts on the j 35621-b tool before setting it in position on the crankshaft rear. Secure the oil seal onto the crankshaft along its housing path by aligning it correctly near flush and square to avoid future failures. Use clockwise motion on the j 35621-b wing nut to push the seal into position near flush and square while experiencing heightened resistance as the seal approaches the bottom of the housing bore. Remove the j 35621-b by starting at first counterclockwise with the wing nut before taking the tool away. To complete the installation process you should use a clean rag to remove excess engine oil before placing the engine Flywheel in position.