Jan 26, 2010 I would go ahead and replace it, I did on mine. Also replace all the bearings inside. The rebuild kit I had (TCI Pro Super) had all the bearings except the OD unit bearings. The 46RH will have a governor and the 46RE won't. The 46RH has a small 3? Connector plug. 46RE, 46RH, 518 Performance Transmissions from PATC. 727 to 46RH Swap Kit. 46RE transmissions in many levels. Swap to a 46RE and save 30% on gas.