Saab NG-900 Blower Regulator Up for sale is a good used Saab 900 automatic climate control blower speed regulator. Saab part number 74 58 173 . Will work on most 900 models from 1994 1995 1996 1997 1998 . The typical failure on these is causes the loss of one or more of the climate control fan speeds, or total loss of fan function. These can also cause blown fuses. List price at SaabUSA was previously nearly $300! get this one for less than you would pay in tax at the dealer! I only sell good quality tested used OEM units, never aftermarket so they are the same quality as your original. Unit is a good used unit, and I will offer a 30 day functionality guarantee ,Thanks for looking and good luck!