Fix your Garden Sprayer that won't pump pressure | ISANO Garden Pressure Sprayer. Dont throw it away

My home garden sprayer decided to stop working suddenly. I guessed it must be some gasket issue..and dismantled it up. Found out i was right and did this simple DIY fix. Link of the product that i purchased from shopee is stated below. https://shopee.com.my/product/6497773...