【ULTRA BRIGHT】 – Yorkim 31mm Festoon LED Bulbs, each bulb uses 10SMD 4014 chipsets, offers a bright and modern look for your vehicle. 3 Sizes: 31mm, 36mm, 41mm. Package includes: 4 pcs | 【FITMENT】 – Yorkim De3175 LED Bulbs can replace DE3175, DE3021, DE3022, 3021, 3022, 3175 bulbs. Super easy plug & play installation. Built in CAN-bus error free driver to by pass error check for most cars. | 【WIDE APPLICATION】 - De3022 LED Bulb 1.25", 6500K White Light, 400 Lumens, 12V AC; The 31mm LED Bulb can be use as led interior car lights, led license plate light, led interior map light, led dome light, led reading light, dash board light, side door courtesy light, glove box light, trunk cargo room light, instrument lamp door light, and more | 【ENERGY-EFFICIENT】 – Yorkim LED Festoon de3175 Interior Lights are made with aluminum body design for better heat dissipation, low temperature, low power consumption, & long-lasting life. | 【NOTE】 - Please turn off the power when replacing the bulb otherwise it may blow the fuse. Normally different LED bulbs are required for different parts of the same car (I.e. dome light, map light, reading light, etc.). Although DE3022 31mm LED bulbs are most commonly used, they may not fit all parts of your car. Please check owner's manual to verify compatibility before purchase or send us a picture of your original bulb for our assistance on selecting the right product