Generator pulley hub. Porsche 356 / 912  ›  54709311

Generator Pulley Hub

The OE Match Generator Pulley Hub is a replacement component designed for the generator pulley assembly fitted to classic Porsche 356 and 912 engines.

Fits:

• Porsche 911 1965-1968 912 SWB (F)
• Porsche 356 1950-55
• Porsche 356A 1955-59
• Porsche 356B 1959-63
• Porsche 356C 1963-65

The hub supports correct pulley mounting and alignment, helping maintain reliable belt-driven operation of the generator and engine cooling fan.

What Does It Do?

The generator pulley hub provides the mounting connection between the generator shaft and pulley assembly, helping maintain correct positioning and drive-belt alignment.

Why Does It Fail?

Common causes include:

• Wear around the mounting surfaces
• Corrosion and age-related deterioration
• Damage from incorrect installation
• Excessive vibration or pulley misalignment
• Wear caused by loose fastening components

When Should It Be Replaced?

Replace if the hub shows excessive wear, cracking, deformation or damage that prevents secure pulley mounting.

Inspect the hub whenever the generator pulley is removed or when investigating pulley wobble and abnormal belt wear.

Checks & Installation

Inspect the generator shaft, pulley halves and associated fastening hardware for damage.

Ensure the hub is correctly seated and the pulley runs true. Adjust belt tension according to the relevant Porsche workshop instructions.

Key Features

• OE Match replacement generator pulley hub
• Designed for classic Porsche generator assemblies
• Supports correct pulley positioning
• Helps maintain drive-belt alignment
• Suitable for engine servicing and restoration

Porsche 356 & 912 Generator Pulley Parts

The generator pulley assembly is essential to the belt-driven charging and cooling systems of classic Porsche 356 and 912 engines.

Replacing a worn generator pulley hub helps maintain correct pulley alignment and dependable operation of the generator and cooling fan.