Check the listing for details. Jtech 10x T3 Neo Wedge Dashboard A/C Climate Control HVAC Switch LED Light Bulb. Condition: New. Listed at 7.99 USD. Product Description & Technical Details- Direct replacement for T3, 39397-SA5-003, 35852-SEP-A02, 35853-SDA-A01, etc- Please check the base diameter of your vehicle's bulb or the compatible part # before placing an order. This bulb is for the 8 mm base to fit as shown in the photo. If yours is 10 mm, please select T4.2 model (eBay item number: 121746499610). https://www.ebay.com/itm/121746499610 If your is 12mm, please select T4.7 model: (eBay item number 111335072029). https://www.ebay.com/itm/111335072029- If they don't light properly after inserting into the socket, please insert oppositely or flip the bulb horizontally to match the + and - polarity. Also, try to pull the pins on the base outwards a little if the bulb is slightly loose or there is no good contact in the socket.