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12_93376572-072f-4933-9aa1-3c9939daa8bf - Northline Parts

Chrome 11" Power Brake Booster Master Cylinder & Valve Kit for 1973-93 Chevy GMC

Alligator_819_x_200_px - Northline Parts

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$426.89
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I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks

Edward H. — Verified customer

Chrome 11" Power Brake Booster Master Cylinder & Valve Kit for 1973-93 Chevy GMC

Upgrade your vehicle's stopping power and engine bay aesthetics with this premium 11-inch chrome power brake booster kit. Designed for 1973-1993 Chevy and GMC trucks and SUVs, this high-performance aftermarket assembly offers a sleek, show-quality finish and reliable braking response for your restoration project or daily driver.

Key Features & Benefits

  • Stunning chrome finish for a polished, custom look under the hood.
  • 11-inch single diaphragm booster provides significantly enhanced braking assistance.
  • High-quality master cylinder with a precision bore for consistent hydraulic pressure.
  • Includes a proportioning valve to ensure balanced braking between the front and rear.
  • Constructed from durable, corrosion-resistant materials for long-term reliability.

Compatible Models

  • 1973-1987 Chevrolet/GMC C10, C20, C30 Pickup Trucks
  • 1973-1987 Chevrolet/GMC K10, K20, K30 Pickup Trucks
  • 1973-1991 Chevrolet/GMC Suburban
  • 1973-1991 Chevrolet Blazer / GMC Jimmy (Full Size)
  • 1988-1993 Chevrolet/GMC C1500, C2500, C3500
  • 1988-1993 Chevrolet/GMC K1500, K2500, K3500

Product Specifications

  • Booster Diameter: 11" Single Diaphragm
  • Finish: Polished Chrome
  • Master Cylinder Material: Cast Iron / Aluminum
  • Part Type: Aftermarket Brake Upgrade Kit
  • Application: Disc/Drum or Disc/Disc setups (verify valve requirements)

Frequently Asked Questions

Is this an OEM part? No, this is a premium aftermarket replacement part designed to meet or exceed the performance of the original equipment while offering a custom chrome appearance.

How do I confirm compatibility? Please cross-reference your vehicle's year, make, and model with our compatibility list and ensure your existing mounting configuration matches the 11-inch booster design.


Important: This is a premium aftermarket part and is not manufactured by the original equipment manufacturer (OEM). Brand names and model numbers are used for reference purposes only. Compatibility may vary depending on the machine's serial number. Please verify fitment before purchase.

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Service was professional and easy to work with. They kept me updated on my order and recommended a different part when the one I originally picked wasn’t going to work. Everything showed up as expected and the process was smooth overall.

- Customer, Chris D.

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