Brake Master Cylinder MC39578 Replaces GM# 18029963, ACDelco 174-658
***Upon purchase, kindly provide your VIN number to ensure proper fitment before shipping your order.***
This part will fit the following vehicles:
Year Make Model Engine I mportant vehicle option details
1990-1995 Chevrolet Astro 4 Cyl 2.5L, 6 Cyl 4.3L VAN ASTRO
1990-1995 GMC Safari 4 Cyl 2.5L, 6 Cyl 4.3L VAN SAFARI