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- Porsche 911 1965-1968 2.0L / 912 SWB (F)
12V Starter Motor - 9 Tooth
Restore dependable engine starting with this OE Match 12V
Starter Motor featuring a 9-tooth pinion gear,
designed specifically for the Porsche 911 (1965–1971). Manufactured to
original equipment specifications, this premium replacement starter motor
delivers reliable cranking power, smooth engagement with the flywheel ring gear
and factory-quality fitment, ensuring your classic Porsche starts confidently
every time.
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
Whether you're replacing a worn original unit or completing
a full engine restoration, this OE Match starter motor offers the performance,
durability and authenticity expected from a high-quality replacement component.
What Does the Starter Motor Do?
The starter motor is responsible for turning the engine during the starting process. When the ignition key is turned, the starter solenoid engages the 9-tooth pinion gear with the flywheel ring gear before the electric motor rotates the engine until combustion begins.
Its primary functions include:
- Rotating the engine during start-up.
- Engaging the flywheel ring gear via the starter pinion.
- Providing sufficient cranking speed for reliable ignition.
- Ensuring smooth and consistent engine starts.
- Supporting dependable cold and hot starting performance.
- Working in conjunction with the battery, ignition switch and charging system.
Without a correctly functioning starter motor, the engine cannot be cranked or started.
Why Do Starter Motors Fail?
Starter motors are subjected to high electrical loads and
repeated engagement cycles throughout their service life. Common causes of
failure include:
- Wear of the internal brushes.
- Worn bearings or bushings.
- Solenoid failure.
- Burnt or damaged armature windings.
- Worn or damaged 9-tooth pinion gear.
- Electrical corrosion on terminals.
- Heat soak from prolonged engine temperatures.
- High mileage and age-related wear.
As internal components wear, starting performance becomes slower and less reliable.
When Should the Starter Motor Be Replaced?
Replacement is recommended if you experience:
- Slow engine cranking.
- Clicking from the starter solenoid without engine rotation.
- Grinding noises during starting.
- Failure of the pinion gear to engage.
- Intermittent starting problems.
- Excessive current draw.
- Complete starter motor failure.
Many Porsche specialists recommend replacing ageing starter motors during engine or gearbox removal if wear is evident, as access is significantly easier.
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90160410203
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- Porsche Boxster 981 2.7L 2012-16
- Porsche Boxster 981 S / GTS 3.4L 2012-16
- Porsche 991.1 Carrera C2 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C2S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 Carrera C4 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C4S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 Turbo 3.8L (520 Bhp) 2014-16
- Porsche 991.1 Turbo S 3.8L (560 Bhp) 2014-16
- Porsche Cayman 2.7L 981 2013-16
- Porsche Cayman S / GTS 3.4L 981 2013-16
Fits:
Porsche 981 Boxster 2012-16
Porsche 981C Cayman 2014-16
Porsche 991.1 Carrera 2012-16
Porsche 991 Turbo 2014-16
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9A160410900
The product you are viewing cross references to these numbers
- Porsche Boxster 981 2.7L 2012-16
- Porsche Boxster 981 S / GTS 3.4L 2012-16
- Porsche 991.1 Carrera C2 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C2S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 Carrera C4 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C4S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 Turbo 3.8L (520 Bhp) 2014-16
- Porsche 991.1 Turbo S 3.8L (560 Bhp) 2014-16
- Porsche Cayman 2.7L 981 2013-16
- Porsche Cayman S / GTS 3.4L 981 2013-16
Fits:
Porsche 981 Boxster 2012-16
Porsche 981C Cayman 2014-16
Porsche 991.1 Carrera 2012-16
Porsche 991.1 Turbo 2014>>
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9A160410900
The product you are viewing cross references to these numbers
- Porsche Boxster 981 2.7L 2012-16
- Porsche Boxster 981 S / GTS 3.4L 2012-16
- Porsche 991.1 Carrera C2 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C2S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 Carrera C4 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C4S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 Turbo 3.8L (520 Bhp) 2014-16
- Porsche 991.1 Turbo S 3.8L (560 Bhp) 2014-16
- Porsche Cayman 2.7L 981 2013-16
- Porsche Cayman S / GTS 3.4L 981 2013-16
Direct replacement for original unit
Fits:
Porsche 981 Boxster / Boxster S
Porsche 981 Cayman / Cayman S
Porsche 991 Carrera 2 / Carrera 4 3.4ltr
Porsche 991 Carrera 2S/ Carrera 4S 3.8ltr
Porsche 991 turbo / turbo S
Kilowatts: 2.00 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.
9A160410900
The product you are viewing cross references to these numbers