Window switch, Drivers side. Porsche 997 / 987 Boxster / 987C Cayman 2006>> LHD

Driver’s Door Window Switch Left Hand Drive (LHD) – Restore Smooth, Reliable Window Operation

This driver’s side door window switch is designed for Porsche 997, 987 Boxster, and 987C Cayman models from 2006 onward (LHD). As the primary control for the electric windows, this switch allows the driver to operate their own window and often the passenger window. A worn or faulty switch can lead to intermittent operation, slow window response, or complete failure—making replacement essential for convenience and safety.

Fits:

• Porsche Boxster 987 2.7L 2005 -08/08
• Porsche Boxster 987 S 3.2/3.4L 2005-08/08
• Porsche Boxster 987 MKII 2.9L 2009-2012
• Porsche Boxster S 987 MKII 3.4L 2009-2012
• Porsche 997 MK1 Carrera 2 3.6L 2005-08
• Porsche 997 MK1 Carrera 2S 3.8L 2005-08
• Porsche 997 MK1 Carrera 4 3.6L 2005-08
• Porsche 997 MK1 Carrera 4S 3.8L 2005-08
• Porsche 997 MK1 TURBO 2007-09
• Porsche 997 MK1 GT3 2007-09
• Porsche 997 MK1 GT2 2007-09
• 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 GT3 2010-11
• Porsche 997 MKII Turbo 2010-13
• Porsche 997 MKII GT2 RS 2011-13
• Porsche Cayman 2.7L 987C 2006-08
• Porsche Cayman S 3.4L 987C 2005-08
• Porsche Cayman 2.9L 987C MKII 2009-12
• Porsche Cayman S / R 3.4L 987C MKII 2009-12

Diagram ref no 10

Manufactured to match the fit, feel and function of the original part, this switch restores smooth electrical operation and integrates seamlessly with the Porsche interior. It is a direct-fit component for vehicles requiring part number 99761315105A05.

What the Driver’s Side Window Switch Does

This essential electrical component:

• Controls the driver’s side window with single-touch or manual inputs
  
• Provides additional passenger window control (model dependent)
  
• Sends precise electrical signals to the window motor and control module
  
• Ensures fast, responsive up/down movement
• Supports comfort and security systems, including anti-pinch protection

Without a functional switch, electric windows may become slow, erratic or completely inoperable.

Why Window Switches Fail

Common reasons include:

• Frequent use, causing internal contact wear
  
• Moisture ingress from open windows or weather exposure
  
• Dust and debris accumulation inside the switch mechanism
  
• Electrical contact oxidation, reducing signal reliability
  
• Broken internal springs or plastic tabs due to age
  
• General wear from daily driving

Symptoms often include sticking buttons, no response, intermittent function or windows moving only in one direction.

Why You Should Replace a Faulty Window Switch

A new switch restores:

• Consistent, responsive window operation
• Proper driver control over all window functions
• Improved cabin comfort and ventilation
• Reliable operation of safety systems
• A clean, modern look inside the door panel
• Dependable electrical integration with the Porsche control modules

Replacing a failing switch prevents further strain on the window motor or wiring.