Pindi/Islamabad markets are the worst even for basic parts. For one, the shopkeepers don't even know the names, and they have nothing of use in stock.
For comparison, here is how my father found brake anti rattle clips for my Khyber in Karachi.
"Khyber ke brake walay clips de dou".
"Ye len sir".
The twin cities are nothing more than backwater villages pretending to be cities.