How to Replace a Differential Seal on a Subaru Impreza?

To replace the rear differential pinion seal, raise the vehicle and support it on jack stands. Put the transaxle in Neutral, and the parking brake off. Measure the pinion flange's turning torque and note it. Remove the retaining nut and pinion flange, using a puller if needed. Detach the worn seal, and install a new one. Tighten the pinion flange nut to minimum torque, checking the turning torque against the noted figure. Reinstall the driveshaft and lower the vehicle.

Genuine Subaru Impreza Differential Seal

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5 Differential Seals found

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Subaru Impreza Gasket Differential Carrier
Part Number: 38353AA050
$14.09 MSRP: $19.57
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Product Specifications
- Other Name: Gasket-Differential Carrier; Cover Gasket
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2004-2011 Subaru Impreza | STI, STI Limited, STI Special Edition, STI Sport | 2.5L H4 Turbo
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Subaru Impreza Oil Seal 35X67X12
Part Number: 806735270
$19.91 MSRP: $28.85
You Save: $8.94 (31%)
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Product Specifications
- Other Name: Oil Seal; Pinion Seal, Seal
- Replaces: 806735130
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 1995-2019 Subaru Impreza | 2.5 GT, 2.5i, 25i, Base, Brighton, L, Limited, LX, Outback, Outback Sport, Premium, RS, Sport, Sport Limited, STI, STI Limited, STI Special Edition, STI Sport, TS, WRX, WRX Sport, WRX TR, WRXSS | 2.0L H4 Turbo, 2.2L H4, 2.2L H4 (New EVAPO), 2.2L H4 Series, 2.5L H4, 2.5L H4 DOHC, 2.5L H4 SOHC, 2.5L H4 Turbo
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Subaru Impreza GSKT-Diff Carr
Part Number: 38353AA061
$3.64 MSRP: $5.05
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Product Specifications
- Replaces: 38353AA060, 436035410
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2022-2025 Subaru Impreza | 4 Cyl 2.0L, 4 Cyl 2.0L CVT, 4 Cyl 2.5L
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Subaru Impreza GSKT-Diff Carr
Part Number: 38353AA081
$9.20 MSRP: $12.78
You Save: $3.58 (29%)
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Product Specifications
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2022-2023 Subaru Impreza | 4 Cyl 2.0L 5MT
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Subaru Impreza Gasket-Differential Carrier
Part Number: 38353AA080
$9.20 MSRP: $12.78
You Save: $3.58 (29%)
Product Specifications
- Other Name: GSKT-Diff Carr
- Warranty: This genuine part is guaranteed by Subaru's factory warranty.
Fits the following Vehicles:
- 2020-2021 Subaru Impreza | Base, Premium, Sport

Subaru Impreza Differential Seal

The Subaru Impreza Differential Seal blocks dirt and water, sealing gearbox oil in each differential so that smooth torque is sent to every wheel. Either located at the axle ends or at the center unit, the Differential Seal is a rubber ring that prevents the loss of pressure so that gear oil is at the proper level. A failing Differential Seal will cause leaks during turns or may clank, whine, and the oil temperature could rise. Over the years, the Impreza range has applied both open and limited slip diffs, yet both rely on the same basic Differential Seal, a heat resistant synthetic rubber one. Open differentials allocate equal torque to both wheels, resulting in a non-spinning driving wheel on ice. Conversely, limited slip differentials shift torque to the wheel with grip, which may shudder at takeoff. Because sealing functions don't change, a seal shows damp housing edges, dripping gear oil, and increased noise in turns. Ensure your Subaru gets checked every 3,000 miles, topping off quick fluids and quickly changing the Differential Seal to keep it quiet and protect gears from costly damage. If you drive a Subaru Impreza, be it a rally-inspired model or just a daily cruiser, this small and humble gasket is what contributes to the longevity of the car.

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Subaru Impreza Differential Seal Parts Questions & Experts Answers

Oil Seal 35X67X12
806735270
Q:
How to Replace a Differential Seal on a Subaru Impreza?
Posted by Catherine M.
A:
To replace the rear differential pinion seal, raise the vehicle and support it on jack stands. Put the transaxle in Neutral, and the parking brake off. Measure the pinion flange's turning torque and note it. Remove the retaining nut and pinion flange, using a puller if needed. Detach the worn seal, and install a new one. Tighten the pinion flange nut to minimum torque, checking the turning torque against the noted figure. Reinstall the driveshaft and lower the vehicle.
Answered by Subaru Parts Specialist Nolan / Jul 30, 2022