Australian 1977-1979 120Y Brake Master with the Rectangle Reservoir.
PBR part Number P7217
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120Y used the same brake parts as Japan, except for locally assembled cars.
PBR master cylinder in Australia-assembled car
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PBR brakes vs Japan 120Y brakes
PBR master & booster for 120Y
Datsun (Japan) brakes have same 4-bolt mount and same length into the firewall
Nissan-Datsun repair kit for PBR Tandem Master Cylinder * Nissan 46010-U0528 * PBR PL-296 (4141F1) post