OTOTEC 4Pcs Car Headlight LED Bulb Adapter Base Set Fit for HB4 9006 Bulbs

This adapter is specifically designed for the 9006/HB4 model, which securely fixes the LED bulb in the original halogen lamp holder to prevent shaking and loosening. Plug in design, no need to cut wires or modify the original car plug, maintaining the original integrity of the lighting fixtures and wiring harness. Made of durable plastic, lightweight, easy to install, equipped with screws and sealing gaskets, fit for DIY modification or bulb upgrade projects. 4pcs design, fit for synchronous upgrading of headlights on both sides, with high fault tolerance and high cost-effectiveness. Compared to directly inserting LEDs, it can improve connection stability and reduce contact problems caused by vibration after use, thereby extending the lifespan of LED bulbs.