Quality-Built NM55666 Premium Brake Master Cylinder with Reservoir

The Quality-Built NM55666 Premium Brake Master Cylinder is engineered to restore factory brake responsiveness and deliver consistent hydraulic pressure, providing confident pedal feel, accurate pressure modulation, and smooth, predictable stops in every condition. This complete assembly includes a factory-style reservoir for proper fluid capacity and direct-fit installation.

Key Features:

• Master cylinder bore diameter: 0.75 inches
• 100% pressure tested with factory-style reservoir included for proper fluid capacity and fitment
• Precision-built to match original equipment specifications for direct, hassle-free installation
• Durable high-strength plastic reservoir construction for improved resistance to thermal fatigue and corrosion
• Manufactured to precise OEM standards using high-quality castings and seals for reliable fluid control and leak resistance
• Internal components engineered for durability and consistent output mile after mile

Designed to restore proper pedal pressure and brake modulation for confident, controlled stops, this premium master cylinder offers a direct-fit OE-style replacement solution. Each Quality-Built component undergoes rigorous testing to ensure long-term reliability and extended service life.