Standard Alternator / Genarator
The air deflector serves as an air baffle and provides optimal cooling of the cylinders. Bolts to the back of the alternator.
Fits:
Porsche 911 - 1975 to 1977
Porsche 911 SC - 1978 to 1983
Diagram ref no 10
Mounted on the rear of the alternator or alternator hub, bolting into or adjacent to the fan housing / ventilation shroud.
What it does:
• Guides airflow from the cooling fan over the alternator and engine to maintain proper cooling
• Extends or positions the alternator hub correctly so pulleys are aligned and belt tension is correct
• Helps ensure consistent air circulation in the engine cooling system
Over time, deflectors or hub extensions can become warped, cracked, or corroded, compromising airflow and misaligning pulleys. A damaged deflector may lead to poor alternator cooling, reduced alternator lifespan, or belt misalignment. Replacing restores correct spacing, airflow direction, and ensures reliable alternator performance under all conditions.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91110603305
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
- Porsche 914 (1970-1976)

Fits:
Porsche 911 3.2 Carrera - 1984 to 1989
Porsche 911 turbo - 1984 to 1989
The air deflector serves as an air baffle and provides optimal cooling of the cylinders. Bolts to the back of the alternator.
Diagram ref no 10
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91110605502
The product you are viewing cross references to these numbers
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 914 (1970-1976)
Fits:
Porsche 911 3.2 Carrera - 1984 to 1989
Porsche 911 turbo - 1984 to 1989
The air deflector serves as an air baffle and provides optimal cooling of the cylinders. Bolts to the back of the alternator.
Diagram ref no 10
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91110605502
The product you are viewing cross references to these numbers
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 914 (1970-1976)
Fits:
Porsche 911 1965-1968 2.0L / 912 SWB (F)
Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
Porsche 914-6 1970-1976
WOSP 200 Series 70 amp Alternator
The WOSP 200 Series Alternators are designed as direct replacements for OEM alternators, making them ideal for classic Porsche restorations, standard road use, or motorsport applications where a smaller, lower-output alternator is preferred.
Unlike the modern 300 Series units, the 200 Series uses traditional round-wire stator technology. This makes them faithful to original designs while still benefitting from WOSP’s reputation for high-quality engineering and reliability.
Key Features of the 200 Series
- Round-Wire
Stator Design – based on traditional alternator construction, offering
reliable charging performance.
- Direct
OEM Replacement – plug-and-play compatibility with factory
alternators.
- Lower
Output Race Alternators – compact, lightweight designs available for
motorsport or specialist builds.
- Durable Construction – built to WOSP’s exacting standards to withstand heat, vibration, and long-term use.
- Easy Fitment – engineered for straightforward installation without modification.
Why Choose a 200 Series Alternator?
- OEM
Accuracy – ideal for those seeking authenticity in restorations.
- Cost-Effective
Reliability – a direct replacement for worn or failing factory units.
- Motorsport
Ready – smaller/lower output versions reduce parasitic loss, improving
efficiency in lightweight race applications.
- Proven Technology – traditional design trusted for decades, refined by WOSP for modern standards.
Common Signs Your Alternator Needs Replacing
- Battery
Warning Light on dashboard
- Dim
or Flickering Lights at idle or under load
- Flat
Battery or difficulty starting
- Electrical
Failures when multiple systems are in use
If you experience these symptoms, replacing your alternator with a WOSP 200 Series LMA036 ensures dependable charging and reliable performance.
Why Buy from Design911?
- Authorised
WOSP Supplier – genuine alternators, guaranteed fitment
- OEM
& Motorsport Options – covering both factory replacements and
race-spec alternators
- Expert
Support – guidance on choosing the right output for your Porsche
- Worldwide Shipping – secure, fast delivery from our Essex-based warehouse
Upgrade or restore your Porsche with the WOSP 200 Series LMA036 Alternator – the perfect balance of OEM accuracy, proven reliability, and WOSP engineering excellence.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91160312000
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 914 (1970-1976)
Fits:
Porsche 914 1970-76
Diagram ref no 23
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
021119295
The product you are viewing cross references to these numbers
- Porsche 914 (1970-1976)
New reproduction wiring harness for the alternator. Includes both grommets and all necessary connectors for a plug and play installation.
1 required per car.
Porsche 914
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
021971349D
The product you are viewing cross references to these numbers
- Porsche 914 (1970-1976)
Fits:
Porsche 911 - 1965 to 1973 - (alternator)
Porsche 911 turbo - 1987 to 1989 (intercooler)
Porsche 914 - 1970 to 1976
Click 'Zoom in' for large parts diagram.
Diagram ref no 18 or 17
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90161211000
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 914 (1970-1976)
Standard Output Alternators – Reliable Power Generation for Porsche Vehicles
Standard output alternators are a vital component in your Porsche’s electrical and charging system. They generate the electricity required to power essential systems such as lighting, ignition, infotainment, and battery charging. A dependable alternator ensures your vehicle maintains optimal voltage output, supporting both performance and everyday drivability.
At Design911, we offer a complete range of genuine and manufacturer-quality standard output alternators for Porsche models including 911, Boxster, Cayman, Cayenne, Macan, Panamera and transaxle models. Each alternator is precision-engineered for efficient charging, quiet operation, and long-term durability, delivering the performance your Porsche deserves.
What Do Standard Output Alternators Do?
Alternators play a crucial role in your Porsche’s electrical
system. Their main functions include:
- Generating
electrical power to run engine and vehicle electronics.
- Charging
the battery while the engine is running.
- Regulating
voltage output for consistent electrical performance.
- Powering accessories such as headlights, fans, and infotainment systems.
Standard output alternators provide reliable current for road use, ensuring steady voltage supply without overloading your vehicle’s electrical components.
Why Do Alternators Fail?
Alternators operate under high mechanical and electrical
loads, so over time they can wear or fail due to age, heat, and vibration.
Common causes include:
- Worn
bearings or brushes reducing output efficiency.
- Faulty
voltage regulators causing under- or overcharging.
- Corrosion
or oxidation in internal electrical connections.
- Loose
or slipping drive belts affecting alternator speed.
- Exposure to moisture, oil, or debris damaging internal components.
Symptoms of alternator failure include dimming headlights, electrical malfunctions, dead batteries, or dashboard battery warning lights.
Why Replace a Faulty
Alternator?
A failing alternator can cause serious electrical problems,
leaving you with a drained battery or stranded vehicle. Replacing a weak or
damaged alternator restores proper charging function, ensuring smooth
performance and reliability.
Benefits of replacement include:
- Consistent battery charging and voltage stability.
- Improved performance of all vehicle electronics.
- Prevention of battery drain and starting issues.
- Quiet, efficient, manufacturer-quality alternator operation.
Each alternator in this range is made using high-grade materials and precision-balanced components, ensuring dependable performance, low noise, and strong output for both standard and high-demand driving conditions.
1. What are the signs of a failing alternator in a
Porsche?
Common signs of a bad alternator include dimming
headlights, battery warning lights on the dashboard, slow or
failed engine starts, and unusual whining noises from the engine
bay. You might also notice intermittent electrical issues or a drained
battery, which often indicates the alternator is no longer charging
efficiently.
2. How long should a Porsche alternator last?
A well-maintained alternator in most Porsche models
typically lasts between 60,000 and 100,000 miles, depending on driving
conditions and electrical demand. Regular maintenance of belts and battery
connections helps extend alternator lifespan. If your vehicle is frequently
driven in stop-start traffic or harsh environments, periodic inspections are
recommended.
3. Can I drive my Porsche with a failing alternator?
Driving with a failing alternator is not recommended.
Once the alternator stops generating power, your Porsche will rely solely on
the battery — which can drain quickly. This can lead to engine stalling,
loss of power steering, or total electrical failure. To prevent further
damage, it’s best to replace the alternator as soon as symptoms appear.
4. What causes alternator failure in Porsche vehicles?
Alternator failure can be caused by worn bearings or
brushes, corrosion in electrical connections, a damaged voltage
regulator, or contaminants like oil or moisture entering the
alternator housing. Over time, high temperatures and belt tension can
also reduce efficiency or cause internal damage. Regular servicing helps
identify these issues early.