You should still get several years of good service from a reman pump. My reman pump is going on 6 years now, longer than the radiator that went in with it. Be careful not to over tighten the water pump bolts as you could warp the plate it mounts to causing a leak. The heater hose is 5/8" for when you go to get more.
1993 F-250 HD XLT Lariat SC 4X4 7.3/5spd ATS WG turbo @ 12psi, 3" DP 4" straight exhaust, 5" stacks, Hypermax cowl induction with inline filter, IP up 3 flats, DPS stage 1 injectors, GPR LED mod, SMF conversion, coolant filter, catch can, Pyro/Boost gauges.
1986 F-250HD XLT Lariat 4X4 6.9/T19, soup bowl mod, straight pipe.