How to replace the front crankshaft seal on 2002 Chevrolet Avalanche 2500?

First of all in order to be able to replace the crankshaft front oil seal, the crankshaft balancer must be removed without damaging the engine front cover. Apply clean engine oil on the new seal, install with Front Cover Oil Seal Installer and place balancer back in place.

OEM 2002 Chevrolet Avalanche 2500 Crankshaft Seal

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2 Crankshaft Seals found

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2002 Chevrolet Avalanche 2500 Timing Cover Oil Seal, Front Part Number: 12580743
$16.05 MSRP: $26.45
You Save: $10.40 (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.
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Fits the following 2002 Chevrolet Avalanche 2500 Submodels:
- Base, LS, LT | 8 Cyl 8.1 L GAS
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2002 Chevrolet Avalanche 2500 Rear Main Seal Part Number: 12587621
$37.56 MSRP: $63.95
You Save: $26.39 (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 2002 Chevrolet Avalanche 2500 Submodels:
- Base, LS, LT | 8 Cyl 8.1 L GAS

2002 Chevrolet Avalanche 2500 Crankshaft Seal

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2002 Chevrolet Avalanche 2500 Crankshaft Seal Parts and Q&A

Q: How to replace the front crankshaft seal on 2002 Chevrolet Avalanche 2500?
A: First of all in order to be able to replace the crankshaft front oil seal, the crankshaft balancer must be removed without damaging the engine front cover. Apply clean engine oil on the new seal, install with Front Cover Oil Seal Installer and place balancer back in place.