Power Window Switch for Audi A4 Q5 B8 Master Control Button 8KD959851A

Restore smooth operation to your Audi cabin with this replacement master power window control switch. Designed specifically for the B8 platform, this unit addresses sluggish lifting, unresponsive buttons, or complete electrical failure caused by degraded internal contacts. The direct-mount design eliminates wiring adapters or coding, allowing you to fully restore front-row window functionality without dealer visits or complex diagnostics.

Benefits & Practical Tips

This switch clips directly into the existing driver’s side door card, preserving the original factory layout and aesthetic. To ensure a safe and successful swap, always disconnect the negative battery terminal before unplugging the old module.

• Power the vehicle and cycle all four windows through their full range before reattaching the door panel to confirm proper electrical contact.
• Note that suppliers occasionally update the outer housing design for manufacturing improvements. Both styles are fully interchangeable and provide identical switch feedback.

Technical Specifications

Designed to replace OE numbers 8KD959851, 8KD959851A, 8KD959855, and 8KD 959 851. Engineered as a complete driver-side master regulator button assembly built with durable poly-carbonate housings and precision-switch mechanisms. Specifically calibrated for Audi A4 models (2009–2017), Audi Q5 models (2009–2017), and Audi Q3 models (2013–2017).

Package Includes

1 × Power Window Lift Control Switch

Compatibility & Reminders

Double-check your current part number and vehicle code against the reference list before ordering. If your dashboard configuration differs slightly from standard B8 designs, please send clear photos to our support team for confirmation. This verification step prevents mismatched orders and unnecessary returns.

All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.

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