This black box ECU is a genuine Suzuki product, compatible with LTZ400 models from 2005. It is an essential electrical and ignition component, ensuring smooth and reliable performance for your ATV, side-by-side, or UTV. The brand name speaks for itself, and this ECU is no exception, providing high-quality and reliable performance. It is easy to install, and will work seamlessly with your existing Suzuki LTZ400 equipment.