HomeRaybestos MC390004 Brake Master Cylinder
Part #: MC390004

Raybestos MC390004 Brake Master Cylinder

Element3; New, N/A
15 vehicles fit this part
Select your vehicle to confirm fitment
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Out of Stock
OE Direct Replacement — Bolt-on fit, no modifications needed
Element3; New, N/A
Fitment: Nissan, Sentra and NX
Easy Returns — Return within 60 days for a full refund
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Overview of Raybestos MC390004 Brake Master Cylinder

The Raybestos Element3; New MC390004 brake master cylinder is engineered for reliable brake hydraulics performance in Nissan NX and Sentra models. Designed with precision, this aluminum master cylinder ensures consistent braking response and durability.

  • Compatible with Nissan NX and Sentra vehicles
  • Constructed from lightweight aluminum for corrosion resistance
  • Two mounting holes with 0.350 inch diameter for secure installation
  • 0.813 inch bore size for optimal hydraulic pressure
  • Four ports with M10x1 thread size for primary and secondary connections

Detailed Product Features and Specifications

This brake master cylinder, part number MC390004, features an aluminum body that offers strength while reducing weight compared to traditional cast iron units. The 0.813 inch bore size is designed to provide the correct hydraulic pressure for the Nissan NX and Sentra brake systems. It includes two mounting holes, each with a diameter of 0.350 inches, ensuring a precise fit during installation. The unit has four ports, with both primary and secondary port threads sized at M10x1, allowing for secure brake line connections and compatibility with OEM brake hydraulics.

About the Raybestos Element3; New Product Line

The Element3; New line from Raybestos focuses on delivering brake components that meet or exceed OEM specifications. This product line emphasizes material quality and dimensional accuracy, which is evident in the MC390004 master cylinder’s aluminum construction and precise port threading. Element3; New parts are designed to integrate seamlessly with existing brake systems on Nissan vehicles, providing dependable performance without modification.

Common Applications and Problem Resolution

  • Replacement for worn or leaking brake master cylinders on Nissan NX and Sentra
  • Restores proper hydraulic pressure for consistent brake pedal feel
  • Addresses brake fluid leaks caused by damaged ports or seals
  • Eliminates spongy or unresponsive brake pedal issues
  • Supports brake system maintenance and safety compliance

Installation Notes and Tips

When installing the MC390004 brake master cylinder, ensure the mounting holes align correctly with the vehicle’s brake booster or firewall. Use the specified 0.350 inch diameter mounting holes for secure attachment. Verify that the M10x1 threaded ports match the brake line fittings to prevent leaks. Bleed the brake system thoroughly after installation to remove air and restore proper hydraulic function. Follow manufacturer torque specifications for mounting bolts to avoid damage.

Quality Assurance and Warranty Information

Raybestos manufactures the MC390004 brake master cylinder to meet strict quality standards, ensuring durability and reliable performance in Nissan NX and Sentra vehicles. The Element3; New product line undergoes rigorous testing to confirm fitment and function. Warranty coverage details should be confirmed with the point of purchase or Raybestos directly, as coverage may vary.

BrandRaybestos
Part NumberMC390004
PositionElement3; New, N/A
Bore Size0.813
Master Cylinder MaterialAluminum
Mounting Hole Diameter0.350
Mounting Hole Quantity2
Number of Ports4
Primary Port Thread AM10x1
Secondary Port Thread AM10x1

This part fits 15 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
1994NissanSentraSEN/AElement3; New
1994NissanSentraXEN/AElement3; New
1994NissanSentraSE-RN/AElement3; New
1994NissanSentraGXEN/AElement3; New
1993NissanNX1.6LL4N/ATo Repair Nabco Cylinder Only; Element3; New
1993NissanSentraSEN/AElement3; New
1993NissanSentraXEN/AElement3; New
1993NissanSentraSE-RN/AElement3; New
1993NissanSentraGXEN/AElement3; New
1992NissanNX1.6LL4N/AElement3; New
1992NissanSentraXEN/AElement3; New
1992NissanSentraGXEN/AElement3; New
1991NissanNX1.6LL4N/AElement3; New
1991NissanSentraXEN/AElement3; New
1991NissanSentraGXEN/AElement3; New

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

072-8948072-900911-25811293113-2581130.42213131.4221332986445460102M1014601063C004601063C104601063C204601063C7066-76-80083-04213E150515E150516F128303M3154M390004M51213MC128303MC8MCA390004NM52581R122253

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.