Dorman - First Stop Brake Master Cylinder M630155
Dorman - First Stop Brake Master Cylinder M630155 - view 2
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Dorman - First Stop Brake Master Cylinder M630155
Dorman - First Stop Brake Master Cylinder M630155 - view 2
Dorman - First Stop Brake Master Cylinder M630155 - view 3
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Dorman - First Stop Brake Master Cylinder P/N:M630155

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$149.99
MPN: M630155
Item Package Quantity: 1
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Dorman - First Stop Brake Master Cylinder P/N:M630155
Dorman - First Stop Brake Master Cylinder P/N:M630155
$149.99

Convert brake-pedal force into the hydraulic pressure that operates the brakes with the Dorman - First Stop Brake Master Cylinder M630155. It drops in on the 2000-2005 Dodge Neon [All] and 2000-2001 Plymouth Neon [All], engineered to match the design, function, and performance of the original master cylinder on those listed applications.

  • Aluminum housing: the cylinder housing is built to match the casting material of the original part for similar performance.
  • EPDM rubber components: made of high-quality EPDM compound for resistance to glycol-based brake fluid.
  • 100% new: made entirely of new materials, not remanufactured.
  • Strict specifications: made to meet rigorous SAE International standards.

Specs: 0.875 in bore diameter, 4 outlets, and a secondary outlet thread of 7/16-24 & M18 x 1.0. The reservoir and sensor are included; mounting hardware is not included, so consult the vehicle service information for the correct fasteners and whether they may be reused. If a worn or leaking master cylinder is the cause of a sinking or spongy pedal, this replaces it. Country of origin: Taiwan.

Interchange: 100-2421 · 1002421 · M-83050 · M83050 · 13501 · 13-2932 · 132932 · 10-2932 · 102932 · 130.63059 · 131.63059 · 5015149AA · 5015159AA · MC511660 · 355-40030 · 35540030 · M3077 · NM3077 · MC390578 · MC390579 · F140458 · MC140458
Manufacturer part number M630155.

This part cross-references / interchanges with the following part numbers:

100-2421, M-83050, 13501, 13-2932, 10-2932, 130.63059, 131.63059, 5015149AA, 5015159AA, MC511660, 355-40030, M3077, NM3077, MC390578, MC390579, F140458, MC140458

Frequently Asked Questions

What does this master cylinder do?

It converts the force from the brake pedal into hydraulic pressure that is sent through the outlets to actuate the vehicle's brakes.

What vehicles does the M630155 fit?

It's a direct-fit replacement for the 2000-2005 Dodge Neon [All] and 2000-2001 Plymouth Neon [All]. Confirm your vehicle in the Buyer's Guide tab.

Does it include a reservoir and sensor?

Yes. The reservoir and a sensor are included. Mounting hardware is not included; consult the vehicle service information for the correct fasteners and whether they may be reused.

What are the bore and outlet specs?

It has a 0.875 in bore diameter, 4 outlets, and a secondary outlet thread of 7/16-24 & M18 x 1.0. The aluminum housing matches the original casting material.

What are signs this part may need replacing?

A pedal that slowly sinks to the floor, a spongy pedal, or external brake-fluid leaks can be signs. Diagnose the cause first, since these symptoms can have other sources.

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