Raybestos MC390204 Brake Master Cylinder
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Raybestos
 Element3; New

Raybestos MC390204 Brake Master Cylinder

Brand Raybestos MC390204
Mounting Hole Quantity 2
Master Cylinder Material Aluminum
Mounting Hole Diameter 0.354
Bore Size 21.000
Number of Ports 4
Primary Port Thread A 7/16"-24
Secondary Port Thread A 3/8"-24
Product line Element3; New
Fits Dodge and Plymouth · 10 vehicles

Element3 line. Raybestos brake hydraulics engineered for dependable braking performance.

Aluminum construction. Lightweight material helps resist corrosion and supports long service life.

Brake master cylinder. Converts pedal force into hydraulic pressure for consistent brake response.

Cross-references Carlson 13158, Centric Parts 130.63039 and Dorman - First Stop M390204 for the same application. See all 26.

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Raybestos MC390204 Brake Master Cylinder

The Raybestos Element3 New MC390204 brake master cylinder is built for 1995-1999 Dodge Neon and 1995-1999 Plymouth Neon applications sold in the US market. With an aluminum body, 21.000 bore size, and four-port layout, it supports consistent hydraulic pressure for brake system service and replacement.

Key Features

  • Brake master cylinder for Dodge Neon and Plymouth Neon fitment
  • Raybestos Element3; New product line
  • Aluminum master cylinder construction
  • 21.000 bore size for hydraulic brake operation
  • 2 mounting holes with 0.354 mounting hole diameter
  • 4 ports with 7/16"-24 primary port thread A and 3/8"-24 secondary port thread A
  • Part number MC390204 for catalog and cross-reference lookup

Detailed Description

Raybestos MC390204 is a brake master cylinder for 1995-1999 Dodge Neon and 1995-1999 Plymouth Neon models. The aluminum housing helps keep the unit lightweight while maintaining the port and mounting layout needed for direct brake hydraulic replacement. The Element3; New line identifies this as part of Raybestos’ newer brake component offering, focused on service replacement for specific vehicle applications. This part cross-references Dorman - First Stop M390204 for the same application.

Use MC390204 when servicing a brake system that requires a 21.000 bore master cylinder with four ports and the listed thread sizes. For shoppers searching for a Dodge Neon brake master cylinder or Plymouth Neon master cylinder replacement, this part number provides a direct catalog match for the confirmed fitment years.

What It Helps Fix

  • Brake pedal travel caused by a worn master cylinder
  • Internal hydraulic leakage in the brake master cylinder
  • Loss of brake pressure during braking
  • Brake fluid seepage at the master cylinder body or ports
  • Brake system performance issues on Dodge Neon and Plymouth Neon vehicles

Installation Notes and Tips

Verify the mounting hole count, bore size, and port thread sizes before installation. Confirm the vehicle is a 1995-1999 Dodge Neon or 1995-1999 Plymouth Neon sold in the US market, and match the brake line connections to the 7/16"-24 primary port thread A and 3/8"-24 secondary port thread A specifications. After installation, bleed the brake system thoroughly and inspect all connections for leaks.

Quality Assurance

Raybestos Element3; New brake components are cataloged for specific vehicle applications and dimensional requirements. MC390204 is identified by part number MC390204 for accurate ordering and fitment verification.

Related reading

This part fits 10 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelNotes
1999DodgeNeonCompatible with vehicles sold in the US market.; Element3; New
1999PlymouthNeonCompatible with vehicles sold in the US market.; Element3; New
1998DodgeNeonCompatible with vehicles sold in the US market.; Element3; New
1998PlymouthNeonCompatible with vehicles sold in the US market.; Element3; New
1997DodgeNeonCompatible with vehicles sold in the US market.; Element3; New
1997PlymouthNeonCompatible with vehicles sold in the US market.; Element3; New
1996DodgeNeonCompatible with vehicles sold in the US market.; Element3; New
1996PlymouthNeonCompatible with vehicles sold in the US market.; Element3; New
1995DodgeNeonCompatible with vehicles sold in the US market.; Element3; New
1995PlymouthNeonCompatible with vehicles sold in the US market.; Element3; New
Directly replaces or cross-references 26 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Carlson — 13158Centric Parts — 130.63039Dorman - First Stop — M390204Quality-Built — NM267866-91-16083-32039131.6303913013045096814509681047625944762594CM2050E150687F131198F131344F131416M3229M83039MC483MC131198MC131416MC250930MCA390204MK131344R131934