The Filling Station is just one of several of our usual vendors that offers a new replacement master cylinder for your application. Original Chevy part number is GM# 5450929 (1-1/4" bore master cylinder for 3/4 thru 2 ton trucks 1947-55.1). At just a shade under $140, a small price to pay for an essential item to stop your truck. wink


~ Dan
1951 Chevy 3 window 3100
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"My Grandpa Carl's Truck and How it Became Mine"
1966 Chevelle (Wife's Hot Rod) | 2013 Chevy Silverado (Current daily driver)
US Army MSG Retired (1977-1998) | Com Fac Maint Lead Tech Retired (1998-2021)