One new EPC brand 3/4" bore clutch master cylinder (made in Italy), part number 653094, 101616, 653094C, PMD233, 555 53002 320. This fits:
Volvo 122 1.8L 1962 - 1968
Volvo P1800 1.8L 1962 - 1969
Volvo P1800 E & ES 1969 - 1973