99% ERROR FREE: 7443 led bulb with built in resistor, solve the decoding problems of 95% vehicles. Perfectly fits for front turn signals, no more having to hack your wiring to ensure you avoid "bulb-out" warnings, no more hyper flash

500% BRIGHTER SOFTER LIGHT: LASFIT T3 7443 led bulbs are 500% brighter than halogen. They are equipped with 20pcs 3030 top-grade LED chips, resulting in a 360°full lighting effect. The bulbs provide 4000LM and 48W of lighting for every turn, cool white for Parking Light, The luminosity of all bulbs has been accurately measured, ensuring sufficient brightness for your vehicle. Additionally, the soft beam pattern helps prevent flashing to the side of passers-by

STABLE WORKING PERFORMANCE: While other 7443 LED bulbs on the market have sacrificed heat dissipation due to their small size, Lasfit has listened to user feedback regarding bulb lifespan and focused on developing T3-series. These LED bulbs utilize smart IC chips and fuses, as well as aviation-grade aluminum for superior heat dissipation. Additionally, a built-in thermal insulation layer further enhances heat dissipation performance

5-MIN INSTALLATION: LASFIT 7443 LED Switchback bulbs are specifically designed based on the OEM halogen bulbs socket, you can replace the halogen bulbs within 5 minutes without any modification and no need extra decoder, perfect fit into your housing. Fit for 7443 7443A 7443LL 7443NA 7444 7444NA 7444LL W21W Standard Socket Front Turn Signal Lights

Notice: 1. These 7443 bulbs are polarity sensitive. If the LED does not light up after inserting, simply remove it, flip the direction and reinstall.2.Some vehicles' 7443/7444 dual-filament front turn signal comes with CK circuits, which will need CK bulb, please refer to the last image of CK socket. If your vehicle is listed in it, please search "Lasfit 7444CK ONLY for CK socket" to find the correct bulbs