I'm not positive, but they will probably replace it with the same piece that just broke. You may be better off asking them if they have a metal impeller water pump. If not, tell them to go to NAPA and get one.
1998 T-Red CSVT (1492 of 6535) Born on 5/30/97 KKM 4.6L TB with custom "Throttle Optimizer" Bassani Exhaust NP-Tuning Sniper Intake Pipe Fog Light Mod with 885's Clear Corners Stereo - Oh Yeah!