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Original Porsche Part Genuine Porsche part 92360410100
• This part is brand new and unused.
• Please verify that it is 100% suitable for your specific vehicle before purchase to ensure compatibility.
Before purchasing thoroughly check part to confirm compatibility.
- We are unable to provide fitting details for this product at this time. Please contact us for further information.
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.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90160410203
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
Kit contains: 2x bearing bushing, 1x solenoid cap, 4x Brush and 1x drive.

Fits:
Porsche 912/911 1965-77
Bosch starter number 0001312100
Porsche starter number 92360410100 For the 911 T/E/S
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
0001312100K
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 1974-1977 2.7L / 1976-77 3.0 Carrera
Fits Bosch starter number 0001312100 and Porsche number 923 604 101 00 For the 911 T/E/S

Fits:
Porsche 911/912 65-77
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
0001312100KD
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 1974-1977 2.7L / 1976-77 3.0 Carrera

Hela ref no 8EA 011 611-181
Fits:
Porsche 914-4 1.7L
Porsche 914 1.8L/1.8V
Porsche 914 2.0L
Click 'Zoom in' for large parts diagram.
Diagram ref no 19
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
039911023BX
The product you are viewing cross references to these numbers
- Porsche 914 (1970-1976)

Reconditioned units are sold on an exchange basis, A surcharge of £175.00 will be held and then refunded when the old one is returned.

Fits:
Porsche 911 2.0L / 2.2L 1965-71
Voltage: 12 V,
Click 'Zoom in' for large parts diagram.
Diagram ref no 1
Please note:
Reconditioned Alternators are sold on an exchange basis, A surcharge of £175.00 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.
90160410203
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)
Hella ref no: 8EA 011 611-181
Fits:
Porsche 911 1965-73
Porsche 912
Porsche 914-6
Porsche 914-4 1.7L
Porsche 914 1.8L/1.8V
Porsche 914 2.0L
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
901604102DX
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)

Direct replacement for original unit
WOSP starter motor has 11 teeth as opposed to 9 teeth on original unit. This design is intentional.
Fits Cars with 901/915 Gearbox
Porsche 911 - 1965 to 1986
Porsche 912
Porsche 914
Kilowatts: 1.4 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.
91160410103
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 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 914 (1970-1976)
- Porsche 912E 4CYL 1976
Direct replacement for original unit
WOSP starter motor has 11 teeth as opposed to 9 teeth on original unit. This design is intentional.
Fits Cars with 901/915 Gearbox
Porsche 911 - 1965 to 1986
Porsche 912
Porsche 914
Kilowatts: 2.0 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.
91160410103
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 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 914 (1970-1976)
- Porsche 912E 4CYL 1976