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- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
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Related, superseded, cross reference or alternative numbers for comparison.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
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1978-1989 3.3L Turbo (930)
Fits:
Porsche 911 3.2L 1984-89
Porsche 930 3.3L 1978-89
Renewed cover with brand new electrics.
2 years warranty.
That is exactly, what you will get in any Porsche Garage in Europe as a replacement.
Overall length: 173mm
Voltage: 12V
Power: 90Amp.
Direction of rotation: Clockwise (CW)
Fixing: 6 studs
Controller: internal
Pulley: no
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91160312005
The product you are viewing cross references to these numbers
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
Internal regulator replacement for external reg. alternator
Fits:
Porsche 911 1975-81 (Non Turbo)
2.7L / 3.0L Carrera
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91160312002
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Fits:
Porsche 356 1950-65
Porsche 912 1965-69
Diagram ref no 4
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
61610938100
The product you are viewing cross references to these numbers