This is what I run and it doesn't give any dramas.
Volvo Electric Fuel Pump - BOSCH - 0580464025, 69594 - NEW OEM | eBay
Yeah, there's cheaper stuff around, but the pennies saved are lost when the cheap stuff dies and towing is needed.
IMO the NA pump isn't up to the job. I once had a 740T with a Pierburg NA pump and it never ran properly until a proper Bosch pump was fitted.