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- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 968 CS 3.0L 1993-95
Fits:
Porsche 924S 2.5L 1986-87
Porsche 924S 2.5L 1988
Porsche 944 2.5L 8V 1982-85
Porsche 968 CS 3.0L 1993-95 (without air conditioning)
Porsche 90A Alternator
The 90 Amp Alternator is a direct replacement unit designed to keep your Porsche’s charging system reliable and efficient. Engineered to OEM specifications, this alternator ensures a steady power supply for both classic and modern electrical demands — from ignition and lighting systems to in-car multimedia and performance accessories.
Key
Features
- 90 Amp Output – provides stable and consistent charging for your Porsche’s electrical systems.
- OEM Replacement – built to match factory standards for performance and durability.
- Direct Fitment – compatible with Porsche models requiring part numbers 94460310900.
- Durable Design – engineered to withstand high temperatures, vibration, and long-term use.
- Restores Reliability – ensures your battery stays charged, even with modern accessories installed.
Why Replace Your Alternator?
Over time, alternators can wear out due to age,
heat, and continuous use. Signs you may need a replacement include:
- Battery Warning Light on the dashboard
- Dim or Flickering Lights at idle or under load
- Difficulty Starting or frequent flat batteries
- Unusual Noises from bearings or internal components
- Electrical Failures when running multiple systems
If left unresolved, alternator failure can lead to battery drain, poor engine performance, and even breakdowns.
Benefits of
the 90A Alternator
- Restores factory-level performance
- Provides sufficient output for both OEM and aftermarket electrical systems
- Prevents battery drain and electrical faults
- Designed for long-term reliability
Replace your faulty or worn alternator with the Porsche 90A alternator – a direct-fit solution to keep your Porsche’s electrical system operating at peak performance.
Diagram ref no 6Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94460310900
The product you are viewing cross references to these numbers
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT3 / GT3 RS 2007-09
- Porsche 997 MK1 GT2 2007-09
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
Fits:
For cars with Tiptronic transmission (I249) and Manual transmission (I480/481)
Porsche 987.1 Boxster 2007-08
Porsche 987C.1 Cayman 2007-08
Porsche 997.1 Carrera 2007-09
Porsche 997.1 Turbo 2007-09
Porsche 997 GT3 2010-11
Plug type
Diagram ref no 20
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99760302205
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche 996 TURBO 2000-05
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MK1 GT3 / GT3 RS 2007-09
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Carrera GT 2003-06
Alternator, upto 2006 Tiptronic cars only (without Freewheel pulley)
(check the plug type)
Fits:
Porsche 986 Boxster Tiptronic 2003-2004
Porsche 987 Boxster Tiptronic 2005-2006
Porsche 987C Cayman Tiptronic 2005-2006
Porsche 996TT Turbo Tiptronic 2000-2005
Porsche 996GT3 2004-2005
Porsche 997 Tiptronic 2005-2006
Porsche 997GT3 2007-2008
Porsche Carrera GT 2004-2006
The alternator is essential to the vehicle’s electrical ecosystem. A failing alternator can lead to battery drain, dim lighting, erratic instrument behaviour, and difficulties starting, especially after extended accessory use or in cold weather. Replacing a worn or failing unit with an OE Match alternator restores correct charging performance, reduces the risk of battery failure, and helps preserve the life of connected electronics.
When to Replace:
- Dimming headlights or flickering interior electrical loads
- Battery not holding charge or repeated jump starts required
- Battery warning light illuminated on dash
- Strange noises coming from the generator area
- Alternator belt slipping due to irregular pulley condition
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99760301208
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche 996 TURBO 2000-05
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
Fits:
Porsche 986 Boxster Manual 2003-2004
Porsche 987 Boxster Manual 2005-2006
Porsche 987C Cayman Manual 2005-2006
Porsche 996TT Turbo Manual 2000-2005
Porsche 997 Manual 2005-2006
Plug type:
Ref no.
99760301201,
99760301203,
99760301205,
99760301207,
99760301209,
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99760301209
The product you are viewing cross references to these numbers