You didn't drive it enough, it's paying you back.
Take it apart, it's easier with the rear plastics removed. I'm sure you could find a cheap pump that would work just as well, and could even put it in line and attach it to the frame somewhere. No reason whatsoever to pay that much for a fuel pump.
Teryx Gear Reduction, 4.0 Differentials
Highlifter 31 Outlaws, Snorkels
Ammo Cans, Back Rest, Tunes
MTI 1.5" Lift Kit and Arched Arms
Dynatek CDI, Temp Gauge
VFJ Stage II Primary