COMPLETE WATER AND OIL PUMP -Valid for all 6-speed manual cars and early F1 until Assembly Nr. 58097-

Installation of this pump usually requires the additional gaskets:

3 x 148225
1 x 132829
1 x 141250
4 x 133938
1 x 154191
1 x 151914

How is this pump different from the later style 217628?   The single mounting bracket (removable) shown in the photos #2 and #3 does not exist on the later pumps.