This is a completely new brake master cylinder for 1947-1950 Chevrolet & GMC trucks. 1" Diameter Bore. Replaces GM# 5450927
1947-1950 Chevy & GMC All 1/2 Ton Models
This part fits most 1947 1948 1949 1950 Chevrolet Trucks; exceptions may apply. Please read the complete description to see if this part fits your specific vehicle and application.
This product can expose you to a chemical, which is known to the State of California to cause cancer or reproductive harm.
For more information go to www.P65Warnings.ca.gov