The product is brand new and good quality. Made of selected raw materials and under strict quality control performance and good quality! Easy installation no any modification need. Suitable for Map lights Door lights Interior lights Glove Box lights Dome lights License Plate lights or Trunk lights. Easy installation no any modification need. 40mm -44mm : 211 211-2 212 212-2 214-2 569 578 6413 6429 12844 DE440; 36mm -39mm : 3423 3425 6411 6418 6423 6461 DE3425; 31mm -35mm : 3021 3022 3175 6428 6430 6461 DE3021 DE3022 DE3175. Note: The bulb has positive and negative polarity and will need to be fitted the correct way. Please allow slightly measuring deviation due to manual measurement.