Manufacturer Restriction: TRW; Piston Diameter [mm]: 22,2; Material: Cast Iron; Construction Year to: 12/1981, 10/1984; Fitting Position: Rear Axle; Construction Year from: 03/1993, 10/1968; MORGAN: PLUS EIGHT,Four Four Cabrio,PLUS FOUR; RTC3621, GWC1104, GWC1104, 5039709, 06374661, 6374661; Wheel Cylinder,Brake Wheel Cylinder,Wheel Brake Cylinder