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Standard Alternator / Genarator
By OE Match
- 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
As the heart of your charging system, this alternator supplies electrical power to all onboard systems and recharges the battery while the engine runs. It ensures reliable operation of lights, infotainment, climate control, and engine electronics under demanding loads.
Fits:
For cars with Tiptronic transmission (I249)
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
A failing alternator can cause low voltage, battery drain, flickering lights, or total electrical failure. Upgrading with an OE Match unit restores consistent charging performance and avoids costly roadside failures.
- Fits Porsche 911, Boxster, and Cayman models (verify engine compatibility)
- 150-amp output for stable electrical and charging performance
- Fixed-type pulley design for direct bolt-on installation
- Matches factory alternator dimensions, connections, and output curve
- Restores optimal charging to power all vehicle systems
- Built with high-quality bearings, windings, and voltage regulators for longevity
- Tested for durability and consistent voltage under high-load operation
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99760302204
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
OEMatch Standard Alternator / Genarator — Fit, Function, Confidence
Standard output alternators convert mechanical energy into electrical power to run vehicle systems and maintain battery charge for Porsche models. Many owners search for genuine or OEM alternators; these are direct-fit alternatives designed to match the original form, fit and function.
Available Types
- Standard output alternators for road use
Understanding OEMatch Standard Alternator / Genarator
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original alternators. OE (Original Equipment) refers to parts matching original specifications for the alternators and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM alternators engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models.
Alternators generate the electricity required to power ignition, lighting, infotainment and charging circuits. They must regulate voltage and deliver steady current under heat and vibration. Symptoms of reduced alternator performance include dimming lights, warning indicators, slow cranking or a failing battery; early detection helps prevent secondary electrical faults.
Benefits Include
- Restores consistent battery charging and voltage regulation
- Maintains correct operation of lights, ignition and accessories
- Prevents battery drain and related starting issues
Why Standard Alternator / Genarator Wear and Fail
- Worn bearings or brushes reducing mechanical and electrical efficiency
- Faulty voltage regulators causing under- or overcharging
- Corrosion or contamination of internal connections and cooling passages
The Importance of Replacing with OEMatch Standard Alternator / Genarator
A functioning alternator keeps your Porsche’s electrical system working and helps avoid a drained battery or roadside immobilisation. Replacing a weak or damaged alternator restores reliable charging and reduces the risk of further electrical damage to vehicle systems, supporting day-to-day drivability and longer-term component life.
Advantages
- Compatible replacements that restore charging function
- Designed to interface with Porsche electrical systems and mounting points
- Built from materials chosen for durability and balance
Support & Advice
These items affect safety-critical systems. Installation should be carried out by a qualified technician following model-specific procedures and torque settings. Use calibrated tools and new fasteners where specified.
