P 204304504104 repair set for the master brake cylinder 2 circle brake). Piston diameter: 19,05mm

The sealing set fits for the two different 2 circle master brake cylinder Peugeot 304. With early master brake cylinder (4601.37) must be ordered the sealing set 2x (there has each piston 2 collars). With the later version starting from FIN 3.733.770 and the Or. No. 4601.72, you need only 1 sealing set. The early version has 2 dowel pin, the late version a retaining ring.