R4/R5/R6, master brake cylinder, suitable for Renault R4 to Ident No. 1109666 (vehicles with front drum brake)

Renault R5 0,8L, of year of construction 10/1972 to 08/1984. Renault R6, of year of construction 10/1969 to 04/1980. Piston diameter: 22mm. Brake line connector: 3x 3/8x24 UNF + 1x at the front side 7/16x20 UNF. The actuating piston has a bore with 11mm diameter and about 40mm deep.