1999 volvo v70xc 2.4 turbo. Fuel pump question!!!!!

[V70xc1999]

I installed an off brand sweden parts fuel pump in my car and it screams and makes wierd noises...(A) should I replace or do the replacements do that? (B) when I replace can I get the bosch or walboro pump rebuild kit and install that into the houseing of the swenden auto parts pump?????? Thanks. I need to figure it out.....car is running like crap and the long term fuel trim is +23% when driving and it gose back down a little when i get of the highway down to 21% after driving 2.5 miles.......