Window switch, Passenger Side, Matt Black/Hi-gloss Chrome. Porsche 958 Cayenne / 970 Panamera / 981 Boxster / 991 › 958959855DML

This OE Match passenger-side window switch controls electric window opening and closing on the Porsche applications listed below. It has a matt black/hi-gloss chrome finish and provides a replacement for a worn, damaged or electrically faulty control.

Fits
LHD or RHD (Driver's Side)

• Porsche 958 Cayenne 2011>> MKIII (Driver's Side)
• Porsche 970 Panamera 2010>> (Driver's Side)
• Porsche 95B Macan 2015>> I7Y0 / I7Y2 / (Cars with Lane Departure Warning and Without Lane Change Assist)

Check fitment for your specific vehicle (model, year, engine) before ordering. Compare the existing switch reference, connector and mounting arrangement, particularly where similar-looking controls are fitted.

Diagram ref no 16

What Is This Part?

This is the passenger-side electrical control used to request movement of the door window. It forms part of the electric window system, working with the vehicle's wiring, window motor and regulator mechanism. Operating the switch sends the opening or closing command; the motor and regulator carry out the physical movement of the glass. Replacing the switch is appropriate when inspection or electrical testing identifies the control itself as the cause of unreliable operation.

What Does This Part Do?

• Requests window opening: Provides the control input for lowering the associated electric window.
• Requests window closing: Provides the control input for raising the glass.
• Provides passenger-side control: Allows the window to be operated from its local switch position.
• Connects the control to the window system: Works through the associated wiring and electrical connections to communicate the user's input.
  
  Why Replace This Part?

Repeated use, dirt or moisture exposure can affect a window switch's internal contacts or operating mechanism. A worn control may respond intermittently, require repeated presses or work in only one direction. Physical damage can also leave the button loose, sticking or difficult to operate.

Replacement should follow diagnosis rather than assumption. A wiring fault, corroded connector, failed motor or damaged regulator can produce similar complaints, so changing the switch will not necessarily resolve every window fault. If the fault is traced to the control, this OE Match replacement provides a Porsche-focused replacement option for the confirmed applications.

When to Replace This Part?

• Intermittent response: The window responds inconsistently to switch operation and testing identifies a fault within the control.
• Operation in one direction only: Opening or closing fails despite the rest of the circuit being serviceable.
• Repeated or unusually firm presses: The switch only responds at certain pressures or positions.
• Physical damage: The button, housing or retaining features are broken, loose or unable to seat correctly.
• Sticking operation: The button does not move or return normally.
• Connection damage: Inspection finds damaged switch terminals or moisture-related deterioration requiring replacement.
  
  Where Is This Part Fitted?

Location: At the passenger-side electric window control position in the interior door trim. Confirm the existing mounting arrangement and connector before fitting, and check the surrounding trim and retaining features for damage during removal.

Technical Details

• Control type: Electric window regulator switch.
• Position: Passenger side.
• Finish: Matt black/hi-gloss chrome.
  
  FAQs

• Could the fault be the regulator instead? Yes. Grinding, abnormal glass movement or glass dropping within the door warrants inspection of the regulator and motor rather than assuming the switch is faulty.
• Why does the window work from another switch but not this one? This can help narrow the fault to the local control or its wiring, but the switch and connections should still be tested before replacement.
• What should be checked before fitting? Check the relevant fuse, connector condition and door wiring, including areas that flex when the door opens. Match the replacement to the original reference and mounting arrangement.
  
  Product Summary

• Product: Passenger-side electric window switch.
• Brand: OE Match.
• Part reference: 958959855DML.
• Finish: Matt black/hi-gloss chrome.
• Purpose: Provides the opening and closing control input for the associated electric window.