Product Information
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 numbersRelated, superseded, cross reference or alternative numbers for comparison.
9A160410300 9A160410300
8EA358028681
9A160410301
The product you are viewing cross references to these numbers