How to replace the Crankshaft Seal on 2004 Toyota Prius?

In order to replace Engine Rear Oil Seal (1NZ-FXE), take off transaxle and input damper assemblies then the flywheel. Cut the seal off and put the new one on with grease. Install the flywheel using an adhesive and tighten the bolts. Lastly, install back the input damper and the transaxle assembly.

OEM 2004 Toyota Prius Crankshaft Seal

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2 Crankshaft Seals found

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2004 Toyota Prius Rear Main Seal
Part Number: 90311-75022
$40.26 MSRP: $56.03
You Save: $15.77 (29%)
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Product Specifications
- Other Name: Seal, Type T Oil; Engine Crankshaft Seal, Rear; Seal, Engine Rear Oil; Engine Crankshaft Seal; Crankshaft Seal
- Position: Rear
- Replaces: 90311-75015, 90311-75019, 90311-75016
- Part Name Code: 11401L
- Item Weight: 0.50 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 90311-75022
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
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Fits the following 2004 Toyota Prius Submodels:
- Base, Touring | 4 Cyl 1.5 L FULL HYBRID EV-GAS (FHEV)
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2004 Toyota Prius Front Crank Seal
Part Number: 90311-25032
$9.31 MSRP: $12.96
You Save: $3.65 (29%)
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Product Specifications
- Other Name: Seal, Type T Oil; Engine Crankshaft Seal, Front; Timing Cover Gasket; Multi-Purpose Seal; Timing Cover Seal; Oil Seal; Front Seal; Oil Seal for Timing Chain/Belt Cover & Oil Pump; Engine Crankshaft Seal
- Position: Front
- Replaces: 90311-25020, 90311-25021
- Item Weight: 0.50 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 90311-25032
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
More Info
Fits the following 2004 Toyota Prius Submodels:
- Base, Touring | 4 Cyl 1.5 L FULL HYBRID EV-GAS (FHEV)

2004 Toyota Prius Crankshaft Seal

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2004 Toyota Prius Crankshaft Seal Parts Q&A

Q: How to replace the Crankshaft Seal on 2004 Toyota Prius?
A: In order to replace Engine Rear Oil Seal (1NZ-FXE), take off transaxle and input damper assemblies then the flywheel. Cut the seal off and put the new one on with grease. Install the flywheel using an adhesive and tighten the bolts. Lastly, install back the input damper and the transaxle assembly.