Product review (5 stars): Exact Replacement
<a data-hook="product-link-linked" class="a-link-normal" href="/Nutone-Broan-Blower-Wheel-Part-99110735/dp/B002NDLXLW/ref=cm_cr_arp_d_rvw_txt?ie=UTF8">Nutone / Broan Blower Wheel Part # 99110735</a>&nbsp;The company no longer makes this fan and parts are extremely expensive from manufacturer.  It looks exactly like the old one, including the alignment mark on inside of blower wheel.  Make sure the motor is on a firm surface before pressing the wheel on the motor shaft.  Don't forget the clip the comes with it.