Genuine OEM Peugeot Negative Battery Cable, part number 9816218180. This cable serves as the primary connection from the negative terminal of the battery to the vehicle's chassis or electrical system ground. It is crucial for completing the electrical circuit and allowing the vehicle's systems to function. As a negative battery cable, it carries the return current from all electrical components back to the battery. Genuine OEM battery cables are manufactured to exact specifications to ensure optimal conductivity and durability, preventing voltage drops and potential electrical issues.