911 (69-74), 914 (70-73) Brake system warning switch, double pole. This switch is mounted on the master brake cilinder and switches when there is a pressure difference between the 2 brake cicuits.
Select your car
brake master cylinder, brake lines
911 (77-89) Master brake cylinder, for power assisted brake systems. (not for Turbo (look) models except the '77 3.0L turbo)
911 (67-77) and 912 (67-69) Brake master cylinder, with warning function
911 (1967-1977) 912 (1967-1969) 914/6 (1969-1973)Brake master cylinder with warning function, BRAX
911 (68-86) Brake Fluid Reservoir, also used on 914 (70-76) (914-1.8, 914-2.0)
911 (78-89) Brake line from Master brake cylinder to connecting piece front brake lines