Left outer differential bearing – Genuine Porsche

Left differential outer bearing (50 × 90 × 21.7 mm) in original Porsche quality. Precision replacement part for numerous Porsche 911, 964, 993, Boxster, 996, 997 and 968 models.

Details at a glance

• Genuine Porsche differential outer bearing (left)
• Dimensions: 50 × 90 × 21.7 mm
• Heavy-duty bearing for precise synchronization
• To restore smooth running of the differential.
• Exact fit according to OEM specifications
• Diagram reference: No. 11

Description

The left outer differential bearing is an essential component for power transmission and the smooth operation of the rear axle differential. This genuine Porsche bearing ensures maximum stability, precise support of the differential carrier, and minimizes vibrations and wear, even under high loads.

Over time, differential bearings are subjected to high thermal and mechanical stresses. Noise, play, or instability in the drivetrain are typical symptoms of a worn bearing. Replacing it with this OEM bearing ensures the correct function of the entire differential and increases the service life of the connected components.

Thanks to precise Porsche factory manufacturing, the bearing fits perfectly and can be installed without modifications. Ideal for maintenance, complete rear axle overhauls, or motorsport applications.

Technical data

• Manufacturer: Porsche (Original part)
• Position: Left outer differential
• Dimensions: 50 mm (inner), 90 mm (outer), 21.7 mm (width)
• Material: hardened steel
• Diagram reference: No. 11

Compatibility / Vehicle Assignment

• Porsche 911 (1987–1989)
• Porsche 911 Turbo (1975–1989)
• Porsche 964 C2 / C4 (1989–1994)
• Porsche 993 C2 (1994–1998)
• Porsche 968 (1992–1995)
• Porsche 986 Boxster S (2000–2004)
• Porsche 996 C2 / C4 (1998–2005)
• Porsche 996 Turbo / GT2 (2001–2005)
• Porsche 996 GT3 (2000–2005)
• Porsche 997.1 Turbo / GT2 / GT2 RS (2007-2009)
• Porsche 997.2 GT2 RS (2011)
• Porsche 997 GT3 / GT3 RS (2007–2011)

Scope of delivery

• 1 × Left outer differential bearing – Genuine Porsche

Notice

Replacing both differential bearings is recommended to ensure optimal smooth running and noise performance.