Fuel tank leaks-I had it out & “repaired” it - it lasted 2 years. Leaks at the seam. Looking for a replacement: OEM or aftermarket, makes no difference to me- even good used.
Bill , what have you done to try and find one ? Also we don’t know where you are . I did the silly Google search and there seems to be many places that have universal tanks for pickup trucks . Also your local salvage yard might have one the will fit .