Hiren’s BootCD 15.2
has (Dos Bootable from CD) Western Digital Diagnostics (DLGDIAG) 5.19
and Western Digital Data Lifeguard Tools 1.24
plus a slew of other zero fill / low level format tools
here’s the full list: http://www.hiren.info/pages/bootcd
download the *.iso from here and burn it to a disc