1978–1995 Chevy G-Series & Astro Van Brake Master Cylinder – 1.125″–1.578″ Bore

Ensure reliable braking performance on your Chevy G-Series or Astro Van with this 1978–1995 brake master cylinder, engineered for both disc and drum brake systems. With bore sizes ranging from 1.125″ to 1.578″, this direct replacement cylinder restores smooth pedal feel, consistent hydraulic pressure, and long-term reliability — ideal for classic van restorations, daily drivers, or performance upgrades.

Compatibility & Application
✔ Fits 1978–1995 Chevy G-Series vans and Astro Vans
✔ Suitable for vehicles with disc/drum brake systems
✔ Correct bore sizing ensures OEM-style brake pressure
✔ Direct replacement for original master cylinder
✔ Perfect for restoration, servicing, or upgrades

Product Features & Benefits

• OEM-Style Construction – Matches factory fit, mounting points, and port layout

• Multi-Bore Design (1.125″–1.578″) – Provides proper hydraulic pressure for various brake configurations

• Durable Cast Iron Housing – Resistant to corrosion and long-lasting

• Bench-Tested for Reliability – Leak-free performance straight out of the box

• Restores Factory Pedal Feel – Ideal for restoring safety and confidence in older vans

Why Buy From Customville American?
We supply quality American brake components in the UK, offering fast delivery and trusted expertise for classic Chevy van restorers and enthusiasts.