Q: I want make absolutely sure this turbo is right as i just received one from "buyautoaprts" and it is not. It dar lager than my stock garret. I have a 1997 obs f250 heavyduty with the 7.3l powerstroke 4x4. It was manudactured on 10/23/96 the vin# is 1FTHW26F5VEA40355
Q: Does this mount into the flange with 4 bolts and 2 o rings or 2 bolts and 2 o rings
A: If you are talking about how it mounts to the turbo pedestal then it's 4 Bolts with 2 O'rings.
Q: Does this come with all new mounting hardware?
A: Comes as a complete turbo only. No mounting hardware included.