Genuine Saab Brake Master Cylinder (4543948), which will fit:
Saab NG900 - 1994-1998 - All models
Saab 9-3 - 1998-2000 - All b204/b234 models, 
Saab 9-3 - 1998-1999 - 2.2 Diesel models 
 This used part is tested and comes with 3 months warranty