Originally Posted by JEFFFAFA

You got it Hio.
The metal lower spring seat is part number D4TZ5A307A. R/S and L/S the same. Fits:
75-2004 all Econolines.
74/79 all 4X2 Dents.
***************************
Two different spring lower insulators for that range of Econoline.
Part number E2TZ5415A fit 82-89 all Econolines (Also F series and Bronco).
Part number E8UZ5414A fit 90-2004 all Econonles. THIS PART IS STILL AVAILABLE FROM FORD.
***************************
No spring insulator shown or listed for Dents.