This is the plastic filter that is located in the fueltank of your vehicle.
After 40 years of sucking up fuel inside the tank, most of these plastic filters are broken or full of dirt.. We advise you to check your filter, and if needed, replace it.
This specific filter is connected to the bottom of the fuel pick-up pipe, as mentioned in the drawing (part #029)
Also you might want to replace the Fuel Tank Seal / Gasket at the same time
Please note, this is NOT the brass filter #026 that is located in the bottom of the tank!
Part #029 in drawing