How to replace the rear crankshaft seal on 2003 Chevrolet Astro?

In order to fit a crankshaft rear oil seal, the transmission assembly and engine flywheel will have to be removed. Removal of old seal, cleaning of the area, and putting clean engine oil in the seal housing and in the surrounding areas. Check the installer against flaws, and then install the new complexity, making it straight. Lastly, reassemble the transmission and engine flywheel.

OEM 2003 Chevrolet Astro Crankshaft Seal

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2 Crankshaft Seals found

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2003 Chevrolet Astro Oil Seal, Front Part Number: 10128316
$21.49 MSRP: $35.40
You Save: $13.91 (40%)
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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.
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Fits the following 2003 Chevrolet Astro Submodels:
- Base, CL, CS, LS, LT | 6 Cyl 4.3 L GAS
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2003 Chevrolet Astro Rear Main Seal Part Number: 89018163
$27.46 MSRP: $45.22
You Save: $17.76 (40%)
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Product Specifications
- Other Name: Seal Kit, Crankshaft Rear Oil; Crankshaft Seal; Seal Kit, Engine Rear Main Bearing
- Position: Rear
- Replaces: 12555769
- Item Weight: 0.50 Pounds
- Item Dimensions: 5.2 x 5.2 x 1.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 89018163
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 Chevrolet Astro Submodels:
- Base, LS, LT | 6 Cyl 4.3 L GAS

2003 Chevrolet Astro Crankshaft Seal

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2003 Chevrolet Astro Crankshaft Seal Parts and Q&A

Q: How to replace the rear crankshaft seal on 2003 Chevrolet Astro?
A: In order to fit a crankshaft rear oil seal, the transmission assembly and engine flywheel will have to be removed. Removal of old seal, cleaning of the area, and putting clean engine oil in the seal housing and in the surrounding areas. Check the installer against flaws, and then install the new complexity, making it straight. Lastly, reassemble the transmission and engine flywheel.