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Pinion Seal

Critical For Operation

Drivetrain

Seals the connection between the pinion gear and differential to prevent leaks.

The pinion seal prevents gear oil from leaking out of the differential where the pinion gear exits, ensuring proper lubrication of the gears and preventing damage from insufficient oil levels.

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Typical part cost
$20–$60🔒
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Typical labor cost
$150–$300🔒
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Typically lasts
100,000–200,000 mi
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Or about
7.0–10.0 years
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DIY difficulty
5/10

⚠️ Owners Often Notice

If the Pinion Seal is starting to fail, these are the signs owners most commonly report before it gets worse:

Gear oil leaks
Low differential fluid
Differential noise

Related Services

Services commonly performed on or around this part.

Replace Pinion Seal

No standard interval on file

Inspect Pinion Seal

No standard interval on file