Not sure which bulb size your car, flashlight, or appliance needs? This guide covers the most common LED replacement bases we sell at Ruiansdion — automotive wedge pins, motorcycle bases, flashlight / Maglite replacements, and appliance sockets. Click any bulb size to jump straight to the matching product.
| Where you're replacing | Common base / size |
| Headlight High Beam Bulb | 9005/HB3，H1，H7，H9，H11，H15 |
| Front Fog light Bulb | H1，H3， H11(55W)，9006/HB4，H8(35W)，L1B/PGJ18.5d-28 |
| Front turn light | 1156，7440，BAU15S，BAY9S |
| Rear Turn Bulb | 1156，7440，BAU15S，T15，3157 |
| Backup light | 1156，T15，7440，A series，BAY9S，3156 |
| License plate light | T10，1156，C5W，BA15S |
| Brake light | 1157，7443，1156，7440，BAZ15D |
| Parking light | T10，1157，1156，BA9S |
Still not sure which size?
Send us a photo of your old bulb or your vehicle's year /make/model, and we'll recommend the exact fit — usually within 24 hours.
Whatsapp：+8615002006621
Email：ruiandsion@gmail.com