Quality-Built NM4166 Premium Brake Master Cylinder with Reservoir

The Quality-Built NM4166 Premium Brake Master Cylinder with Reservoir is engineered to restore factory brake responsiveness and deliver consistent hydraulic pressure for confident, controlled braking performance. This premium master cylinder is manufactured to precise OEM standards using high-quality castings and seals for reliable fluid control, leak resistance, and extended service life.

Key Features:

• Includes factory-style reservoir constructed from durable high-strength plastic for improved resistance to thermal fatigue and corrosion
• 100% pressure tested to ensure proper fluid capacity and fitment right out of the box
• Internal components engineered for durability and consistent output mile after mile
• Precision-built to match original equipment specifications for direct, hassle-free installation
• Master cylinder bore diameter: 0.937 inches
• Restores proper pedal pressure and brake modulation for smooth, predictable stops in every condition

Quality-Built Premium master cylinders are designed for easy installation and long-term reliability, trusted by DIYers and professional technicians alike. Each unit provides an OE-style replacement solution to maintain braking integrity and deliver the confident pedal feel you expect from your vehicle's brake system.