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Porsche Starter Motor (New) 99660410702

GENUINE PORSCHE
Availability:
Out of stock
SKU 99660410702
Sold out
$998.39 - $998.39
$998.39
$998.39 - $998.39
$998.39
CALIFORNIA WARNING

Handling passenger or off-highway motor vehicle parts can expose you to chemicals such as phthalates and lead, which can cause cancer and reproductive harm. To minimize exposure, service the vehicle in a well-ventilated area, wear gloves, and wash your hands. For more information see www.P65Warnings.ca.gov/motor-vehicle-parts.

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Are you hearing a click-click-click followed by horrible screeching when you turn your key? You probably need to replace your starter motor. When functioning properly, current from the main battery is applied to the starter motor’s solenoid, and the solenoid engages a lever that pushes out the drive pinion on the starter driveshaft to mesh the pinion with the starter ring gear on the engine flywheel. A lot going on for sure. If this process breaks down, you aren’t going anywhere without a hefty jump-start or a new starter motor. The most common reason for starter failure is electrical corrosion on the contacts, and internal motor brushes.

This part also goes by the following cross reference.

Cross Reference Part Number:

Fits These Vehicles 18 applications
Porsche
Make Model Engine Years
Porsche 911Carrera 3.6H6 1995–1998
Porsche 911Carrera 4 3.6H6 1995–1998
Porsche 911Carrera S 3.6H6 1998–1998
Porsche 911Carrera 4S 3.6H6 1996–1998
Porsche 911Targa 3.6H6 1996–1998
Porsche 911GT3 3.6H6 2004–2005
Porsche 911GT3 3.6H6 2007–2009
Porsche 911GT3 3.8H6 2010–2011
Porsche 911Turbo 3.6H6 1996–1997
Porsche 911Turbo 3.6H6 2001–2005
Porsche 911Turbo 3.6H6 2007–2009
Porsche 911Turbo S 3.6H6 1997–1997
Porsche 911Turbo S 3.6H6 2005–2005
Porsche 911GT2 3.6H6 2002–2005
Porsche 911GT2 3.6H6 2008–2009
Porsche 911GT3 RS 3.6H6 2007–2008
Porsche 911GT3 RS 3.8H6 2010–2011
Porsche 911GT3 RS 4.0 4.0H6 2011–2011

Fitment data last updated: 2026-10-03

Fits 18 vehicle applications Check vehicle fitment before ordering View fitment

About this Starter

The GENUINE PORSCHE 99660410702 starter turns the engine over when you start the car. It draws a large current from the battery, and as its motor and solenoid wear it can become slow, noisy or fail to engage.

Frequently asked questions

What are the signs of a failing starter?

A click but no crank, slow or labored cranking, a grinding or whirring noise when starting, or starting that works only intermittently.

Could it be the battery instead?

Yes, a weak battery or corroded cables cause very similar symptoms. Test the battery and check the cable connections and ground before replacing the starter.

Does my car need a start-stop starter?

Cars with automatic start-stop use starters built for many more start cycles. Choose the starter listed for your exact car, especially if it has start-stop.

Can I replace a starter myself?

It depends on the car; some starters are easy to reach and others sit under the intake manifold. Always disconnect the battery first, since the starter cable is live even with the ignition off.

How do I make sure this starter fits my car?

Compare the part numbers listed on this page with the number on your old part or in your vehicle's parts catalog, and check the fitment information. If you are unsure, contact us with your VIN before ordering.

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