Quality-Built NM55189 Premium Brake Master Cylinder with Reservoir

The Quality-Built NM55189 is a premium new brake master cylinder with reservoir, engineered to restore factory brake responsiveness and deliver consistent hydraulic pressure mile after mile. Precision-built to match original equipment specifications, this direct-fit replacement ensures a hassle-free installation right out of the box.

Key Features:

• 100% Pressure Tested: Every unit undergoes full end-of-line pressure testing to ensure leak-free performance and reliable fluid control before it leaves the factory
• OE-Quality Fit: Manufactured to precise OEM standards using high-quality castings and seals for a direct, accurate fit
• Factory-Style Reservoir Included: Constructed from durable high-strength plastic for improved resistance to thermal fatigue and corrosion
• Smooth Pedal Feel: Designed to restore proper pedal pressure and brake modulation for confident, controlled stops
• Bore Diameter: 0.938 inches
• Durable Internal Components: Engineered for consistent hydraulic output and extended service life

The Quality-Built NM55189 brake master cylinder is trusted by DIYers and professional technicians alike. It pairs seamlessly with other Quality-Built brake components for a complete brake system refresh — built for durability and engineered for peace of mind.