Master Cylinder Brakes For Pontiac LeMans Withe OEM 3492362 3492529

The piston diameter of M39869 master cylinder brakes is 22.2mm, equal to 7/8 inch. There are four ports for inlet & outlet. The thread size of the ports are M10*1, M12*1, 2xM15*1. The other OEM numbers are: 112561; 12516; 13036002; 13036003; 18M478; 8378002; F140454; M13002; M52561; M52631; M900685; MC140454; MC39869; MC511050; NM52561; NM52631