The product is an OEM coolant overflow reservoir bottle and cap for 84-88 Toyota Pickup / 4Runner trucks. Made of plastic in Japan, this vintage part includes the necessary cap and is designed specifically for Toyota vehicles. It is a genuine OE/OEM part number 1647071030, ensuring a perfect fit and functionality for the specified vehicle models. Ideal for those looking to replace or upgrade their engine cooling components, this product offers quality and authenticity from the original manufacturer.