Enter your VAT number here and click Verify:
Your details have been verified. VAT number registered to:
,
.
Your order will now be zero rated for VAT purposes. We reserve the right to verify these details after your order request has been made and reinstate VAT if required.
Your VAT details were not recognised or were invalid. Your VAT number must be matched to your Billing Country as specified above. This is currently specified as . You do not need to enter the country code part of your VAT number as this has already been selected in your billing address details above.
The VAT number checking service is currently offline. Please supply your VAT details within the comments or special instructions field below and we will apply a VAT discount after placing your order request.
Standard Alternator / Genarator
- Porsche 95B.1 Macan S Petrol 3.0L V6 (340Bhp) 2014-18
- Porsche 95B.1 Macan GTS Petrol 3.0L V6 (360Bhp) 2014-18
- Porsche 95B.1 Macan Turbo 3.6L V6 (400Bhp) 2014-18
Reconditioned 14v / 220amp Alternator
Please note:
Reconditioned units are sold on an exchange basis, A surcharge of £380.00 will be held and then refunded when the old one is returned.
Fits:
Porsche Macan S (engine code CTM / CTMA) 2014-18
Porsche Macan turbo (engine code CTL / CTLA) 2014-18
Porsche Macan Bi-turbo GTS (engine code DCN / DCNA) 2014-18
Reconditioned Alternators are sold on an exchange basis, A surcharge will be held and then refunded when the old one is returned.
- The surcharge for this reconditioned part will be refunded when the exchange unit is received and approved by us and the relevant manufacturer.
- Please note, surcharge refunds often take an average of 6 to 8 weeks to be approved by the manufacturer.
- Acceptance of the exchange part is at the manufacturer's discretion, based on the part being fit for reconditioning.
- All surcharges and exchanges are subject to our terms and conditions.
PLEASE NOTE:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
7PP903016C
The product you are viewing cross references to these numbers
- Porsche 95B.1 Macan S Diesel 3.0L V6 (258Bhp) 2014-18

Reconditioned Alternator 200AMP
Fits:
Porsche 95B Macan 3.0L V6 TDI 2014-18
For vehicles with 12V main current,
Alternator charge current: 200 A,
Number of ribs: 6,
with freewheel belt pulley,
Plug-type ID: LIN2,
Plug Type: Plug Terminal,
Number of mounting bores: 4
Please note:
Reconditioned Alternators are sold on an exchange basis, A surcharge of £84.00 will be held and then refunded when the old one is returned.
- The surcharge for this reconditioned part will be refunded when the exchange unit is received and approved by us and the relevant manufacturer.
- Please note, surcharge refunds often take an average of 6 to 8 weeks to be approved by the manufacturer.
- Acceptance of the exchange part is at the manufacturer's discretion, based on the part being fit for reconditioning.
- All surcharges and exchanges are subject to our terms and conditions.
PLEASE NOTE:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
059903019L
The product you are viewing cross references to these numbers
- Porsche 95B.1 Macan S Diesel 3.0L V6 (258Bhp) 2014-18
Fits:
Porsche 95B Macan 3.0L V6 TDI 2014-18
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
059903019L
The product you are viewing cross references to these numbers
- Porsche 95B.1 Macan Petrol 2.0L (237Bhp) 2014-18
- Porsche 95B.1 Macan S Petrol 3.0L V6 (340Bhp) 2014-18
- Porsche 95B.1 Macan S Diesel 3.0L V6 (258Bhp) 2014-18
- Porsche 95B.1 Macan GTS Petrol 3.0L V6 (360Bhp) 2014-18
- Porsche 95B.1 Macan Turbo 3.6L V6 (400Bhp) 2014-18
Restore dependable electrical charging performance and maintain original factory functionality with this Genuine Porsche Alternator, a direct replacement for PAC903018. Manufactured to Porsche's exact specifications, the alternator is designed to generate electrical power while the engine is running, supplying the vehicle's electrical systems while maintaining the battery at the correct state of charge. Reliable alternator performance is essential for everything from engine management and lighting to climate control, infotainment, safety systems, and other electrical equipment.
Fits:
- Porsche 95B.1 Macan Petrol 2.0L (237Bhp) 2014
- Porsche 95B.1 Macan S Petrol 3.0L V6 (340Bhp) 2014
- Porsche 95B.1 Macan S Diesel 3.0L V6 (258Bhp) 2014
- Porsche 95B.1 Macan GTS Petrol 3.0L V6 (360Bhp) 2014
- Porsche 95B.1 Macan Turbo 3.6L V6 (400Bhp) 2014
Diagram Ref No 6
Driven by the engine through the auxiliary drive system, the alternator converts mechanical energy into electrical energy and works with the vehicle's charging system to maintain a stable electrical supply. Internal components including the rotor, stator, bearings, rectifier, and voltage regulation system are designed to operate reliably across changing engine speeds and electrical loads. This Genuine Porsche replacement is ideal for addressing charging faults, electrical problems, bearing noise, or complete alternator failure while maintaining factory-quality fit and performance.
What This Product Does:
- Generates electrical power while the engine is running.
- Recharges and maintains the vehicle battery.
- Supplies power to the engine management and ignition systems.
- Supports lighting, climate control, infotainment, and other electrical equipment.
- Helps maintain stable charging-system voltage.
- Responds to changing vehicle electrical demands.
- Replaces a weak, noisy, intermittent, or failed alternator.
- Provides genuine Porsche fit, function, and compatibility.
Symptoms Of Wear Or Failure:
- Battery or charging-system warning light illuminated.
- Battery repeatedly becoming discharged or going flat.
- Difficulty starting or slow engine cranking.
- Headlights or interior lights becoming dim or flickering.
- Electrical systems operating intermittently or incorrectly.
- Low or unstable charging voltage.
- Whining, grinding, or rumbling noises from the alternator area.
- Burning smell caused by an overheating alternator or drive system.
- Vehicle stalling once battery charge becomes depleted.
- Charging-system diagnostic fault codes or warning messages.
Why Replacement Matters:
- The alternator is a critical part of the vehicle's electrical and charging system. Once the engine is running, the vehicle depends on the alternator to provide electrical power and replenish energy used by the battery. A weak or failing alternator may no longer generate sufficient output to support the vehicle's electrical demands, causing the battery to gradually discharge.
- As charging performance deteriorates, warning lights, starting difficulties, flickering lighting, and malfunctioning electrical equipment may occur. If the alternator fails completely, the vehicle can continue operating only while sufficient battery charge remains and may eventually stall or fail to restart.
- Ignoring alternator bearing or pulley-related problems can also lead to additional wear within the auxiliary drive system and, depending on the nature of the failure, potentially result in drive-belt problems.
- Replacing a worn or failed unit with this Genuine Porsche Alternator PAC903018 restores dependable charging performance, maintains a stable electrical supply, and helps protect the battery and vehicle electronics from charging-related problems. Manufactured to Porsche's exacting standards, this genuine component provides precise fit, reliable performance, and long-term durability for Porsche maintenance and repair.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PAC903018
The product you are viewing cross references to these numbers
- Porsche 95B.1 Macan Petrol 2.0L (237Bhp) 2014-18
- Porsche 95B.1 Macan S Petrol 3.0L V6 (340Bhp) 2014-18
- Porsche 95B.1 Macan S Diesel 3.0L V6 (258Bhp) 2014-18
- Porsche 95B.1 Macan GTS Petrol 3.0L V6 (360Bhp) 2014-18
- Porsche 95B.1 Macan Turbo 3.6L V6 (400Bhp) 2014-18
Restore reliable charging performance and maintain a stable electrical supply with this Valeo Alternator. Valeo is a recognised Original Equipment supplier of automotive electrical systems, producing high-quality charging components designed for accurate fit, dependable output, and long service life. The alternator generates electrical power while the engine is running, supplying the vehicle's electrical systems while keeping the battery correctly charged.
Fits:
- Porsche 95B.1 Macan Petrol 2.0L (237Bhp) 2014
- Porsche 95B.1 Macan S Petrol 3.0L V6 (340Bhp) 2014
- Porsche 95B.1 Macan S Diesel 3.0L V6 (258Bhp) 2014
- Porsche 95B.1 Macan GTS Petrol 3.0L V6 (360Bhp) 2014
- Porsche 95B.1 Macan Turbo 3.6L V6 (400Bhp) 2014
Diagram Ref No 6
Driven by the engine through the auxiliary belt system, the alternator converts mechanical energy into electrical energy. It supplies power to essential systems including engine management, lighting, climate control, infotainment, safety equipment, and other electrical consumers. Internal components such as the rotor, stator, bearings, rectifier, and voltage regulation system work together to provide a stable electrical output across varying engine speeds and electrical loads. This Valeo alternator is an ideal replacement for a weak, noisy, intermittent, or failed original unit.
What This Product Does:
- Generates electrical power while the engine is running.
- Recharges and maintains the vehicle battery.
- Supplies power to engine management and other essential electrical systems.
- Supports lighting, climate control, infotainment, and vehicle electronics.
- Helps maintain stable charging-system voltage.
- Provides electrical output according to vehicle demand.
- Replaces a weak, noisy, intermittent, or failed alternator.
- Provides an OE-quality fit for straightforward replacement.
Symptoms Of Wear Or Failure:
- Battery or charging-system warning light illuminated.
- Battery repeatedly becoming discharged or going flat.
- Difficulty starting or slow engine cranking.
- Headlights or interior lighting becoming dim or flickering.
- Electrical equipment operating intermittently or incorrectly.
- Low, unstable, or excessive charging voltage.
- Whining, grinding, or rumbling noises from the alternator area.
- Burning smell or signs of overheating.
- Vehicle stalling as battery charge becomes depleted.
- Charging-system diagnostic fault codes or warning messages.
Why Replacement Matters:
- The alternator is a critical component of the vehicle's charging and electrical system. While the engine is running, it supplies the electrical energy required by the vehicle and replenishes the battery after starting. A worn or failing alternator may produce insufficient or unstable electrical output, gradually discharging the battery and affecting the operation of sensitive vehicle electronics.
- As alternator performance deteriorates, the vehicle may develop starting problems, warning lights, flickering illumination, electrical malfunctions, or intermittent system faults. If the alternator stops charging completely, the vehicle will operate only until the remaining battery energy is exhausted, potentially resulting in the engine stalling and being unable to restart.
- Mechanical alternator faults, including worn bearings or pulley-related problems, can also create excessive noise and place additional strain on the auxiliary drive system if left unresolved.
- Replacing a worn or failed unit with this Valeo Alternator PAC903018/1 restores dependable battery charging, maintains a stable electrical supply, and supports reliable operation of the vehicle's electrical systems. Manufactured to Valeo's high-quality Original Equipment standards, this alternator provides accurate fit, dependable performance, and long-term durability for Porsche maintenance and repair.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PAC903018
The product you are viewing cross references to these numbers
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.