The GM Blind Spot Radar Alert Module for the left side of a vehicle is a high-quality product by General Motors. This module includes one sensor made of durable plastic material and is designed for easy bolt-on mounting. The radar alert module is specifically designed for the left side of the vehicle and features a sleek black color. It is not universally fitting and is a genuine OE/OEM part with the number 87866929. This product provides advanced driver assistance by helping to detect potential blind spot hazards while driving.