Thought I would put this out there. I posted similar info on another page.
If you are looking for an "044" fuel pump there is an equivalent that I have put into service and it works very well for the last year and cost much less.
It is an AEM pump, so if you can get past not using a Bosch part then this may save some money with equal performance as far as I can tell.
https://www.aemelectronics.com/products/fuel-delivery/high-flow-fuel-pumps/400lph-inline-high-flow-fuel-pump