car-part.com
search:
fuel pump
fuel injector
fuel rail
etc..
then select
Pump Only, 8-363 (6.0L, diesel, VIN P, 8th digit), supply pump, (frame mounted)
There plenty of options in your area it looks like.
$40 for example at Keystone- South Texas USA-TX(Westfield) E-mail 1-800-460-8714
or if...