Some reading indicates that the bottle was installed when you ordered the electric windshield washer option. In 63 Chevrolet that would have been RPO C14 Washer , Wiper 2 SPD according to the Chevrolet Order Sheet.
0167 before 1963 was the option number.
On the black and white label it is marked
3789848
THIS BOTTLE FURNISHED WITH YOUR FACTORY INSTALLED WASHER
