Please wait… 
Please wait while we process your order,
do not press the back button… 
Design 911 Design 911 supply Porsche parts, Porsche spares and Porsche accessories, to both retail and to the trade. Our Porsche product and accessory range includes brakes, exhausts, tyres, wheels and Porsche panels and interiors. https://d911api.datadial.net/images/schemaLogo.png https://d911api.datadial.net/images/schemaLogo.png +443456003478 https://d911api.datadial.net Facebook Instagram
Check vehicle fitment
ALTERNATORKIT911.3.0
Product Information
Product Information

Alternator with belt and shims for Porsche 911 3.0L 12v 75A applications, supplied as a standard output unit for classic 911 charging systems.

What This Product Does This alternator provides electrical power to run the vehicle’s systems and maintain the battery charge while the engine is running. It is intended as a direct-style replacement to support stable charging and correct fitment on suitable Porsche 911 3.0L models.


Functions

  • Generates electrical power for engine and vehicle electronics
  • Maintains battery charge during engine operation
  • Regulates output to help provide consistent system voltage
  • Supplies current for lighting, heating, and ancillary equipment

Symptoms of Fault

  • Battery warning light illuminated or flickering
  • Dimming or pulsing lights, especially at idle
  • Repeatedly flat or weak battery
  • Electrical functions behaving erratically
  • Whining, grinding, or rumbling noise from the alternator area
  • Belt squeal or visible belt slip under load

Why Replacement Matters A worn or failing alternator can lead to low charging voltage, causing starting issues, flat batteries, and unstable electrical behaviour. Replacing a weak unit with a correctly specified alternator helps restore reliable charging performance and supports proper operation of ignition, lighting, and other electrical systems on classic Porsche 911 models.

Fits

  • Porsche 911 & 912 (1965–1989) → 911 1974–1977 2.7L / 1976–77 3.0 Carrera
  • Porsche 911 & 912 (1965–1989) → 911 1978–1983 3.0L / SC


Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

ALTERNATORKIT911.3.0
91160312004

The product you are viewing cross references to these numbers