The 2024-2026 Tesla Model 3 M3 Headlight Controller Ballast Left Side 1802471-31-D is a genuine replacement part designed specifically for Tesla vehicles. It is a high-quality product manufactured by Tesla, ensuring compatibility and optimal performance. This headlight controller ballast is essential for regulating the power to the left side of the vehicle's headlight system, providing precise and efficient functionality. Built to Tesla's OE/OEM standards, this part ensures a perfect fit and reliable operation for your Tesla Model 3.