Features: 1.According to original OEM specifications, part number for reference: 8KD959851A, 8KD959851F. 2.Fit for Q5 (2009 ?2012), fit for A4/S4 ? B8 (2009 ? 2012 ), fit for A4/S4 ? B8 Avant (2009 ? ), fit for A4/S4 ? B8 Allroad (2010 ? 2014), fit for A5/S5 4door Sportback (2008 ? 2011). 3.The buttons are embellished with silver plating edges to enhance the overall sense of classic. 4.The button has high sensitivity and quick response, which can control the lifting of the glass more smoothly. 5.The switch is made of high-quality plastic, corrosion-resistant, durable, and has a longer service life. Specification: Item Type: Master Window Switch Material: Plastic OEM: 8KD959851A, 8KD959851F Fitment: Fit for Q5 (2009 -2012) Fit for A4/S4 - B8 (2009 - 2012 ) Fit for A4/S4 - B8 Avant (2009 - ) Fit for A4/S4 - B8 Allroad (2010 - 2014) Fit for A5/S5 4door Sportback (2008 - 2011) Installation: Direct Replace Note: Please double check the part number of your item, matching information is for reference only. If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!