This is a genuine HONDA Main Relay Assembly, part number 39400SM4003. It is a critical component in your vehicle's electrical system, responsible for controlling the flow of power to various circuits. Ensure optimal performance and reliability by replacing your main relay with this OEM HONDA part. Designed to meet the exact specifications of your vehicle, it guarantees a perfect fit and function. This relay plays a vital role in starting your engine and powering essential accessories. A failing main relay can lead to a no-start condition or intermittent electrical issues.
No specification found