do not press the back button…
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.
Starter Motors
- Porsche Boxster 987 MKII 2.9L 2009-12
- Porsche Boxster S 987 MKII 3.4L 2009-12
- Porsche 997 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
- Porsche 997 MKII Turbo 2010-13
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
Direct replacement for original unit
Fits:
Porsche 993 C2 / C4 / C2S / C4S - 1994 - 1998 Manual Only
Porsche 987 Boxster Gen 2 - 2009 to 2012
Porsche 987 Boxster S Gen 2 - 2009 to 2012
Porsche 987 Cayman Gen 2 - 2009 to 2012
Porsche 987 Cayman S Gen 2 - 2009 to 2012
Porsche 997 Carrera / Carrera 4 - 2009 to 2012
Porsche 997 Carrera S / Carrera 4S - 2009 to 2012
Porsche 997 turbo Gen 2 - 2010 to 2013
Kilowatts: 1.80 kW
Voltage: 12 V
WOSP high torque, lightweight, gear reduction starter motors are manufactured in the UK. Unlike alternatives in the market place these are built using only 100% OE parts and units, therefore can't be rivalled on quality.
In most cases WOSP starters are designed with an indexable 360 degree mounting plate meaning no obstruction should get in your way when installing.
The main advantages over the original starter is the durability along with a weight and space saving. The improved performance means they also reduce loads on the vehicle's battery and electrical system.
Direct replacements to the original item, plug & play / fit & forget.
All units come with instillation instructions and a 12 month warranty.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9A160410300
The product you are viewing cross references to these numbers
- Porsche Boxster 987 MKII 2.9L 2009-12
- Porsche Boxster S 987 MKII 3.4L 2009-12
- Porsche 997 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
- Porsche 997 MKII Turbo 2010-13
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
Starter Motor
Restore fast and reliable engine starting with this OE Match Starter Motor.
The starter motor is an essential part of the vehicle's
starting system. When the ignition is activated, it uses electrical power from
the battery to turn the engine over until combustion begins and the engine can
run independently.
Fits:
- Porsche Boxster 987 MKII 2.9L 2009-12
- Porsche Boxster S 987 MKII 3.4L 2009-12
- Porsche 997 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
- Porsche 997 MKII Turbo 2010-13
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
A worn starter motor can result in increasingly slow or intermittent cranking and may eventually leave the vehicle unable to start. This OE Match unit provides a replacement solution for a worn, unreliable or failed original starter.
What Does a Starter Motor Do?
The starter motor converts electrical energy from the vehicle's battery into mechanical rotation.
When the vehicle is started, the starter motor engages with the engine's flywheel or drive plate and rotates the crankshaft. This creates the initial engine movement required for the combustion process to begin. Once the engine starts, the starter disengages.
A correctly functioning starter motor provides:
- Strong and consistent engine cranking
- Reliable cold and hot starting
- Correct engagement with the engine
- Efficient use of battery power
- Fast engine start-up
Why Do Starter Motors Fail?
Starter motors are powerful electrical components that experience substantial loads every time the engine is started. Internal components gradually wear, while engine-bay heat and repeated heat cycles can accelerate deterioration.
Common causes of starter motor failure include:
- Worn internal brushes
- Solenoid deterioration
- Worn bearings or bushes
- Wear to the starter drive mechanism
- Electrical connection problems
- Internal electrical faults
- Heat-related deterioration
- Age and high mileage
- Repeated starting cycles
A weak battery or poor electrical connection can produce symptoms similar to a failing starter, so the battery, terminals and main electrical connections should also be checked before replacement.
When Should a Starter Motor Be Replaced?
Replacement should be considered if:
- The engine cranks noticeably slower than normal
- Starting becomes intermittent
- A clicking sound is heard but the engine does not crank
- The starter occasionally fails to engage
- Grinding or unusual noises occur during starting
- Starting becomes particularly difficult when the engine is hot
- The starter motor has been diagnosed with an internal electrical or mechanical fault
- The starter no longer operates
Starter motors do not normally have a fixed replacement interval. They should generally be replaced when testing confirms deterioration or failure.
A healthy starter motor is essential for dependable operation. As these vehicles age, starter motors can develop internal wear that results in slower cranking, intermittent operation or complete starting failure.
Starting problems should be diagnosed carefully because similar symptoms can also result from a weak battery, poor battery terminals, damaged cables or other electrical faults.
Once a starter motor has been identified as the cause, replacing the worn unit restores the mechanical cranking action required to start the engine reliably.
When replacing a Porsche starter motor, it is also worthwhile checking the battery condition, main power cables, earth connections and associated starting-system wiring.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9A160410300
The product you are viewing cross references to these numbers
- Porsche Boxster 987 MKII 2.9L 2009-12
- Porsche Boxster S 987 MKII 3.4L 2009-12
- Porsche 997 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
- Porsche 997 MKII Turbo 2010-13
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
Fits:
Porsche 987.2 Boxster 2009-12
Porsche 987C.2 Cayman 2009-12
Porsche 997.2 2009-12
Porsche 997.2 Turbo 2010-13
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9A160410300
The product you are viewing cross references to these numbers
- Porsche Boxster 987 MKII 2.9L 2009-12
- Porsche Boxster S 987 MKII 3.4L 2009-12
- Porsche 997 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
- Porsche 997 MKII Turbo 2010-13
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
Fits:
Porsche 987.2 Boxster 2009-12
Porsche 987C.2 Cayman 2009-12
Porsche 997.2 2009-12
Porsche 997.2 Turbo 2010-13
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9A160410300
The product you are viewing cross references to these numbers
Starter Motors – Reliable Engine Starting Power for Porsche Vehicles
Starter motors are essential components that provide the torque needed to start your Porsche’s engine. When you turn the key or press the start button, the starter motor engages the flywheel to crank the engine and initiate combustion. A reliable starter ensures smooth, instant starts every time — whether your Porsche is cold, hot, or under performance load.
At Design911, we stock a wide range of genuine and high-quality starter motors for Porsche models including, amongst others the 911, Boxster, Cayman, Cayenne, Macan, and Panamera. Each unit is engineered to meet the precise power and durability standards required by Porsche’s high-performance engines, ensuring long-term reliability and optimal starting performance.
What Do Starter Motors Do?
Starter motors convert electrical energy from the battery
into mechanical energy to crank the engine. Their key functions include:
- Engaging
the engine flywheel to initiate combustion.
- Delivering
consistent cranking power under all temperature conditions.
- Supporting
quick, smooth starts without hesitation.
- Ensuring reliable operation during repeated starts in traffic or performance use.
A high-quality starter motor ensures dependable ignition response and prevents starting delays, especially in performance-tuned or older Porsche models.
Why Do Starter Motors Fail?
Starter motors operate under intense electrical and
mechanical load, which can lead to wear over time. Common causes of failure
include:
- Worn
brushes or bearings leading to slow or intermittent operation.
- Electrical
faults such as bad solenoids or worn armatures.
- Heat
and vibration degrading internal components.
- Corroded
terminals or poor grounding reducing current flow.
- Age-related mechanical fatigue causing engagement failure.
Typical symptoms include clicking sounds when starting, slow cranking, complete no-start condition, or intermittent starting performance.
Why Replace a Failing Starter Motor?
A worn or failing starter can leave your Porsche unable to start or damage other electrical components. Replacing it ensures reliable ignition performance, consistent power delivery, and peace of mind.
Benefits of replacement include:
- Instant, reliable engine starting.
- Smooth and quiet operation.
- Reduced electrical strain on the battery and alternator.
- Manufacturer-quality performance and long-term durability.
All starter motors in our range feature precision-wound coils, high-strength gears, and heat-resistant housings for dependable operation and extended service life in demanding Porsche applications.
