PART NO.  SPL.PAGE  DESCRIPTION                                                           
13H138    15.N.5    Bulb -vertical dip (2) - Com.(C)58918 - was 3H921
13H138    16.N.6    Bulb -vertical dip (2) -(headlamp LHD Europe except France, road
    lamps, 1600 and 1600-MK-II) -changed to BFS410
13H138    TC.N.5    Bulb -vertical dip (2) -(headlamp Sweden, road lamps, electrical, Twin
    Cam) Com.(C)2418 -changed to BFS410

Prefocus headlamp bulbs, vertical dip.

For more information on Headlamp Types and Styles for MG see ET-136
Alternate part numbers:

PART NO.  SPL.PAGE  DESCRIPTION                                                           
3H921     15.N.5    Bulb -vertical dip (2) -changed to 13H138 Com.(C)58918