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Porsche Cayenne 9YA.2 (E3 II) 2023>> Engine Electrical Alternator / Generator Alternator Pulley / Pulley Nuts

Alternator fan pulley. Porsche 964 Turbo 91-94  ›  93010612402

Alternator fan pulley. Porsche 964 Turbo 91-94 - 93010612402
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Product Information
Product Information

Alternator Fan Pulley

The OE Match Alternator Fan Pulley is a replacement component for Porsche 964 Turbo models manufactured between 1991 and 1994.

Fits:

  • Porsche 964 (911) TURBO 3.3L 1991-93
  • Porsche 964 (911) TURBO 3.6L 1991-93

Diagram ref no 21

The pulley forms part of the engine's belt-driven alternator and cooling fan assembly, helping maintain reliable alternator operation and engine cooling.

Over time, the original pulley can become worn, damaged or distorted, potentially affecting belt alignment and operation.

Replacing a deteriorated pulley helps maintain correct belt drive and protects associated engine components.

What Does It Do?

The alternator fan pulley transfers drive from the engine belt to the alternator and cooling fan assembly.

This allows the alternator to generate electrical power while the fan circulates cooling air around the air-cooled engine.

Why Does It Fail?

Common causes of deterioration include:

  • Wear to the pulley belt-contact surfaces
  • Corrosion and age-related damage
  • Incorrect belt tension
  • Pulley misalignment
  • Damage during previous maintenance
  • General wear from prolonged use

When Should It Be Replaced?

Inspect or replace the pulley if you notice:

  • Visible cracks, distortion or damage
  • Excessive wear to the pulley grooves
  • Abnormal belt noise or vibration
  • Repeated belt wear or slipping
  • Damage discovered during alternator or cooling fan servicing

Installation Notes

Inspect the fan belt, pulley halves, spacers and associated hardware during replacement. Ensure correct pulley alignment and belt tension according to Porsche workshop specifications.

Porsche 964 Turbo Alternator Pulleys & Cooling Fan Parts

The Porsche 964 Turbo uses a belt-driven cooling fan and alternator assembly to maintain engine cooling and electrical system operation.

OE Match alternator fan pulley 93010612402 provides a replacement for compatible Porsche 964 Turbo applications, helping restore reliable belt drive operation.

Design911 supplies Porsche 964 Turbo alternator pulleys, cooling fan components, drive belts and associated air-cooled engine servicing parts.



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93010612402

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