Dorman M134479 Brake Master Cylinder for Select Nissan Models

The Dorman M134479 is a 100% new brake master cylinder engineered as a direct replacement for select Nissan vehicles. Unlike remanufactured alternatives, this unit is built entirely from new materials, delivering consistent, dependable braking performance right out of the box.

The cylinder housing is cast to match the material composition of the original OEM part, ensuring proper fitment and comparable performance. All internal rubber components are manufactured from high-quality EPDM compound, specifically formulated for long-term resistance to glycol-based brake fluids — helping prevent premature degradation and seal failure.

Key Features:

• 100% New Construction — Not remanufactured; built entirely from new components for maximum reliability and safety
• Precise OEM-Match Housing — Cylinder casting matches the original part's material and geometry for accurate fitment
• EPDM Rubber Seals — High-quality compound resists glycol-based brake fluids for long-lasting seal integrity
• SAE International Standards — Manufactured to meet rigorous SAE specifications for performance and safety
• Direct Replacement — Designed to restore original braking function without modification

The Dorman M134479 brake master cylinder is a trustworthy aftermarket solution backed by Dorman's over 100 years of automotive parts engineering, making it a confident choice for professional technicians and DIY repair alike.