GMC227

OE SPEC - brake master cylinder (yellow tag) fitted from 1985 to 1988 to front/rear dual circuit system without servo (LM15121).

This brake master cylinder is also used to replace the 1979-84 black tag master cylinder which is now obsolete , it is important to use brake pipe kit BAU5654 RHD or BAU5655 LHD to complete the conersion.