Seal For Differential Output Shaft, Cover Side. Porsche 986 / 987-1 Boxster & Cayman (Tiptronic Gearbox)  ❭  98639702700

Seal For Differential Output Shaft, Cover Side.

The Differential Output Shaft Seal – Cover Side is a OE MATCH drivetrain sealing component designed to prevent gear oil leakage from the differential where the output shaft exits the differential housing. This seal helps maintain proper lubrication inside the differential while protecting internal gears and bearings from contamination.

Fits:

• Porsche Boxster 986 2.5L 1997-99
• Porsche Boxster 986 2.7L 1999-02
• Porsche Boxster S 986 3.2L 1999-02
• Porsche Boxster 986 2.7L 2003-04
• Porsche Boxster S 986 3.2L 2003-04
• Porsche Boxster 987 2.7L 2005-08/08
• Porsche Boxster 987 S 3.2/3.4L 2005-08/08
• Porsche Cayman 2.7L 987C 2006-08
• Porsche Cayman S 3.4L 987C 2005-08

Diagram Ref No 3

What This Product Does:

• Sealing the differential output shaft opening
• Preventing gear oil leaks from the differential housing
• Maintaining proper lubrication of internal gears
• Protecting internal components from dirt and debris
• Supporting smooth and reliable drivetrain operation

Symptoms Of Wear Or Failure:

• Gear oil leaks near the differential or axle area
• Oil spots under the vehicle
• Low differential fluid levels
• Whining or grinding noises from the drivetrain
• Oil residue around the differential housing or driveshaft connection

Why Replacement Matters:

• Prevent gear oil leaks
• Maintain proper differential lubrication
• Protect gears and bearings from premature wear
• Ensure smooth drivetrain performance
• Avoid costly differential repairs or replacement

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98639702700

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