About 6.45pm on Saturday, May 22, a vehicle travelling west on Mary Street, allegedly hit a pedestrian while turning into Dudley Street.
The driver stopped and rendered assistance to the injured 73-year-old man, however failed to exchange particulars.
The injured man was taken to Westmead Hospital and remains in a serious but stable condition.
Police are seeking assistance to locate the driver of a black Jeep Cherokee. He is described as being of African appearance, between 30 to 40-years-old, about 180cm tall with black hair and a beard.
Anyone with information is urged to contact Auburn Police on 9646 8699 or Crime Stoppers on 1800 333 000.
