Crankshaft Rear Oil Seal (Porsche Original)

Crankshaft Seal – Rear (Genuine Porsche)

Radial shaft seal for the rear crankshaft, gearbox side. High-quality genuine seal for Porsche 911 and 930 models. Dimensions: 90 × 110 × 12 mm.

Details at a Glance

• Genuine Porsche radial shaft seal
• Position: Rear, gearbox side
• Dimensions: Inner diameter 90 mm, outer diameter 110 mm, width 12 mm
• Ensures sealing between engine and gearbox side
• Prevents oil loss at the rear crankshaft
• Diagram reference: No. 33

Description

This genuine crankshaft seal for the rear crankshaft is an essential component for reliably sealing the crankcase on the transmission side. It prevents engine oil from escaping and protects adjacent components from contamination and wear. Thanks to its precise manufacturing according to Porsche specifications, the seal guarantees optimal fit and long durability.

With the precisely specified dimensions of 90 × 110 × 12 mm, this radial shaft seal replaces aged or hardened original seals and fully restores the factory sealing effect – especially important during engine overhauls, gearbox removal, or oil loss around the clutch housing.

Technical Data

• Manufacturer: Porsche (Genuine Part)
• Type: Radial Shaft Seal
• Inner Diameter: 90 mm
• Outer Diameter: 110 mm
• Width: 12 mm
• Installation Side: Gearbox side (rear)
• Diagram Reference: No. 33

Compatibility / Vehicle Assignment

• Porsche 911 3.0L (1978–1983)
• Porsche 911 3.2L (1984–1989)
• Porsche 930 Turbo (1975–1989)

Scope of Delivery

• 1 × Crankshaft Seal – Rear (Genuine Porsche)

Note

Replacement is recommended as part of an engine overhaul or when removing the gearbox, to prevent consequential damage due to oil loss.