How to Service and Repair the Crankshaft Seal on 2001 Chevrolet Express 3500?

Begin crankshaft main bearing seal servicing by taking out the Transmission Assembly and Flywheel before loosening the Oil Pan. Start by taking out the crankshaft rear oil seal from its home in the crankshaft rear oil seal housing. Use the crankshaft rear oil seal installer (J 35621-B) to install the new crankshaft rear oil seal followed by tightening the Oil Pan before installing the Flywheel and Transmission Assembly.

OEM 2001 Chevrolet Express 3500 Crankshaft Seal

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6 Crankshaft Seals found

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2001 Chevrolet Express 3500 Rear Main Seal
Part Number: 23503969
$43.95 MSRP: $68.84
You Save: $24.89 (37%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Seal, Engine Rear Main Bearing; Crankshaft Seal
- Position: Rear
- Item Weight: 0.50 Pounds
- Item Dimensions: 6.1 x 6.2 x 0.6 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 23503969
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2001 Chevrolet Express 3500 Submodels:
- Base, LS | 8 Cyl 6.5 L DIESEL
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2001 Chevrolet Express 3500 Timing Cover Oil Seal, Front
Part Number: 12580743
$15.73 MSRP: $25.92
You Save: $10.19 (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; Cover Seal; Front Cover Seal; Seal, Engine Front Cover & Crankshaft Seal; Seal, Engine Crankshaft Front
- Position: Front
- Replaces: 12559279
- Item Weight: 0.40 Pounds
- Item Dimensions: 3.0 x 3.0 x 0.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12580743
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2001 Chevrolet Express 3500 Submodels:
- Base, LS | 8 Cyl 8.1 L GAS
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2001 Chevrolet Express 3500 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
- Item Weight: 0.40 Pounds
- Item Dimensions: 2.9 x 3.0 x 0.6 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 10128316
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2001 Chevrolet Express 3500 Submodels:
- Base, LS | 6 Cyl 4.3 L GAS, 8 Cyl 5.7 L BI-FUEL, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS
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2001 Chevrolet Express 3500 Thermostat Housing Gasket, Front
Part Number: 10191640
$19.24 MSRP: $36.15
You Save: $16.91 (47%)
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; Timing Cover Oil Seal; Cover Seal; Front Cover Seal; Seal, Engine Crankshaft Front
- Position: Front
- Replaces: 23500286, 3860095, 03860095
- Item Weight: 0.40 Pounds
- Item Dimensions: 3.8 x 3.7 x 0.6 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 10191640
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2001 Chevrolet Express 3500 Submodels:
- Base, LS | 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
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2001 Chevrolet Express 3500 Rear Main Seal
Part Number: 12587621
$36.51 MSRP: $62.68
You Save: $26.17 (42%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Seal, Engine Rear Main Bearing; Crankshaft Seal
- Position: Rear
- Replaces: 12559277
- Item Weight: 0.50 Pounds
- Item Dimensions: 5.3 x 5.5 x 0.6 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12587621
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2001 Chevrolet Express 3500 Submodels:
- Base, LS | 8 Cyl 8.1 L GAS
View related parts
2001 Chevrolet Express 3500 Rear Main Seal
Part Number: 12554314
$38.36 MSRP: $60.08
You Save: $21.72 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Seal, Engine Rear Main Bearing; Crankshaft Seal
- Position: Rear
- Item Weight: 0.50 Pounds
- Item Dimensions: 5.3 x 5.3 x 1.5 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12554314
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2001 Chevrolet Express 3500 Submodels:
- Base, LS | 8 Cyl 5.7 L BI-FUEL, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS

2001 Chevrolet Express 3500 Crankshaft Seal

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2001 Chevrolet Express 3500 Parts Questions & Experts Answers

Q: How to Service and Repair the Crankshaft Seal on 2001 Chevrolet Express 3500?
A: Begin crankshaft main bearing seal servicing by taking out the Transmission Assembly and Flywheel before loosening the Oil Pan. Start by taking out the crankshaft rear oil seal from its home in the crankshaft rear oil seal housing. Use the crankshaft rear oil seal installer (J 35621-B) to install the new crankshaft rear oil seal followed by tightening the Oil Pan before installing the Flywheel and Transmission Assembly.