CPU Cooling Fan replacement

I have Asus Vivobook S15 evo Non-Oled. I have been using it for last 3 years and works fine but now i guess the fan need replacement as it makes grinding noise so loud sometimes nd shakes whole laptop, I m unable to find compatible fan near me.
Model :- K3502ZA
Specs :- 12V 0.5A 4pin
Please help if someone can