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Porsche Crankshaft Seal – Rear 99710121201

GENUINE PORSCHE
Availability:
Out of stock
SKU 99710121201
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$21.39 - $21.39
$21.39
$21.39 - $21.39
$21.39
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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Crankshaft seals, also referred to as ‘main’ seals, are located at either end of the crankshaft and allow the crankshaft to spin freely and distribute power to the clutch and transmission, while keeping engine oil in and contaminants out of your engine’s crankcase. If you see oil leaking from the front crank pulley, oil dripping from the bottom of the clutch housing, or notice clutch slip caused by oil spraying on the clutch, check your crankshaft seals. When one of the crankshaft seals wears out, you must replace them to avoid oil loss, which can seriously damage you engine and make a big mess in your driveway. Main seals generally last over 200,000 miles or 20 years, but should be considered as a job for any restoration regardless of age, as access is generally limited in these positions. Keep in mind that occasionally special tools are required to install main seals evenly.

This part also goes by the following cross reference.

Cross Reference Part Number:

Fits These Vehicles 64 applications
Porsche
Make Model Engine Years
Porsche Macan 3.6V6 2015–2018
Porsche Macan 3.0V6 2015–2018
Porsche Panamera 4.8V8 2010–2016
Porsche Panamera 3.0V6 2014–2016
Porsche Panamera 3.6V6 2011–2013
Porsche Panamera 3.6V6 2015–2016
Porsche 911Carrera 3.4H6 2012–2016
Porsche 911Carrera 4 3.4H6 2013–2016
Porsche 911Carrera S 3.8H6 2012–2016
Porsche 911Carrera 4S 3.8H6 2013–2016
Porsche 911Targa 4 3.4H6 2014–2016
Porsche 911Targa 4S 3.8H6 2014–2016
Porsche 911Turbo 3.8H6 2014–2018
Porsche 911Turbo S 3.8H6 2014–2018
Porsche 911Carrera GTS 3.8H6 2015–2016
Porsche 911Carrera 4 GTS 3.8H6 2015–2016
Porsche 911Targa 4 GTS 3.8H6 2016–2016
Porsche 91150th Anniversary Edition 3.8H6 2014–2014
Porsche 911Turbo S Exclusive Series 3.8H6 2018–2018
Porsche 911 3.8H6 2010–2011
Porsche 911 3.8H6 2019–2019
Porsche 911 3.0H6 2019–2019
Porsche 911 3.6H6 2010–2011
Porsche BoxsterBase 2.7H6 2013–2016
Porsche BoxsterS 3.4H6 2013–2016
Porsche BoxsterGTS 3.4H6 2015–2016
Porsche BoxsterBlack Edition 2.7H6 2016–2016
Porsche BoxsterSpyder 3.8H6 2016–2016
Porsche Boxster 3.4H6 2010–2012
Porsche Boxster 2.9H6 2010–2012
Porsche CaymanBase 2.7H6 2014–2016
Porsche CaymanS 3.4H6 2014–2016
Porsche CaymanGTS 3.4H6 2015–2016
Porsche CaymanBlack Edition 2.7H6 2016–2016
Porsche CaymanGT4 3.8H6 2016–2016
Porsche Cayman 3.4H6 2010–2012
Porsche Cayman 2.9H6 2010–2012
Porsche 718 BoxsterBase 2.0H4 2017–2018
Porsche 718 BoxsterS 2.5H4 2017–2018
Porsche 718 BoxsterGTS 2.5H4 2018–2018
Porsche 718 Boxster 2.5H4 2019–2020
Porsche 718 Boxster 2.0H4 2019–2020
Porsche 718 CaymanBase 2.0H4 2017–2018
Porsche 718 CaymanS 2.5H4 2017–2018
Porsche 718 CaymanGTS 2.5H4 2018–2018
Porsche 718 Cayman 2.0H4 2019–2020
Porsche 718 Cayman 2.5H4 2019–2020
Porsche CayenneBase 3.2V6 2004–2006
Porsche CayenneBase 3.6V6 2011–2018
Porsche CayenneS 4.5V8 2003–2006
Porsche CayenneS 4.8V8 2011–2014
Porsche CayenneS 3.6V6 2015–2018
Porsche CayenneGTS 4.8V8 2013–2014
Porsche CayenneGTS 3.6V6 2016–2018
Porsche CayenneTurbo 4.5V8 2003–2006
Porsche CayenneTurbo 4.8V8 2011–2018
Porsche CayenneTurbo S 4.5V8 2006–2006
Porsche CayenneTurbo S 4.8V8 2013–2014
Porsche CayenneTurbo S 4.8V8 2016–2018
Porsche CayenneS Hybrid 3.0V6 2011–2014
Porsche CayenneS E-Hybrid 3.0V6 2015–2018
Porsche CayenneDiesel 3.0V6 2013–2016
Porsche CayennePlatinum Edition 3.6V6 2016–2018
Porsche Cayenne 4.8V8 2010–2010

Fitment data last updated: 2026-10-05

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