Skip to content
Shop by vehicle Shopping for:
Shop parts
Seal

Seal

GENUINE PORSCHE
Availability:
Out of stock
SKU 99610590305
Sold out
$4.60 - $4.60
$4.60
$4.60 - $4.60
$4.60
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.

Rewards
EARN REWARD POINTS
Purchasing this product will earn you 20 points to redeem on future purchases. Check your points.

This high-quality Engine Variable Valve Timing (VVT) Adjuster Seal is designed to fit perfectly in your Porsche. It is an OEM product with part number 996-105-903-05, which means it has been created to the same specifications as the original part that came with your vehicle.

Made from premium materials, this VVT Adjuster Seal is built to last, ensuring that your engine runs smoothly and efficiently. Its sturdy construction means it can withstand extreme temperatures and harsh conditions, providing reliable performance even in the most challenging environments.

The Engine Variable Valve Timing (VVT) Adjuster Seal is an essential component of your vehicle’s engine, responsible for regulating the timing of the valves. It ensures that your engine operates at peak efficiency, delivering optimal power and performance.

Replacing your old or worn-out VVT Adjuster Seal with this high-quality OEM part will help to improve the overall performance of your Porsche, while also reducing the risk of damage to other engine components. This product is also easy to install, making it a convenient and cost-effective way to keep your vehicle running smoothly.

In summary, this Engine Variable Valve Timing (VVT) Adjuster Seal offers exceptional quality, durability, and performance, making it an excellent choice for any Porsche owner looking to maintain or upgrade their vehicle’s engine.

Brand Part #
Brand Part #
Porsche 996 105 903 05 / 99610590305
  • Replaces: 996-105-903-03

This part also goes by the following cross reference.

Cross Reference Part Number: 99610590303, 996-105-903-03

Fits These Vehicles 30 applications
Porsche
Make Model Engine Years
Porsche Carrera GTBase 5.7V10 2004–2005
Porsche 911Carrera 3.4H6 1999–2001
Porsche 911Carrera 3.6H6 2002–2008
Porsche 911Carrera 4 3.6H6 1999–2008
Porsche 911Carrera S 3.8H6 2005–2008
Porsche 911Carrera 4S 3.6H6 2002–2005
Porsche 911Carrera 4S 3.8H6 2006–2008
Porsche 911Targa 3.6H6 2002–2005
Porsche 911Targa 4 3.6H6 2007–2008
Porsche 911Targa 4S 3.8H6 2007–2008
Porsche 911GT3 3.6H6 2007–2009
Porsche 911GT3 3.8H6 2010–2011
Porsche 911Turbo 3.6H6 2007–2009
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
Porsche BoxsterBase 2.7H6 2003–2008
Porsche BoxsterS 3.2H6 2003–2006
Porsche BoxsterS 3.4H6 2007–2008
Porsche BoxsterLimited Edition 2.7H6 2008–2008
Porsche BoxsterS Limited Edition 3.4H6 2008–2008
Porsche BoxsterRS 60 Spyder 3.4H6 2008–2008
Porsche BoxsterS Porsche Design 2 3.4H6 2008–2008
Porsche CaymanBase 2.7H6 2007–2008
Porsche CaymanS 3.4H6 2006–2008
Porsche CayenneBase 3.2V6 2004–2006
Porsche CayenneS 4.5V8 2003–2006
Porsche CayenneTurbo 4.5V8 2003–2006
Porsche CayenneTurbo S 4.5V8 2006–2006

Fitment data last updated: 2026-10-05

Fits 30 vehicle applications Check vehicle fitment before ordering View fitment

Euromotiv is an independent retailer of OEM, Genuine, and aftermarket automotive parts. We are not affiliated with, endorsed by, or authorized by Audi AG, Volkswagen AG, BMW AG, Mercedes-Benz Group AG, Dr. Ing. h.c. F. Porsche AG, MINI, or any other vehicle manufacturer. All trademarks, logos, and brand names are the property of their respective owners and are used solely for identification and compatibility purposes.