Dorman - First Stop Brake Master Cylinder M630305
Dorman - First Stop Brake Master Cylinder M630305 - view 2
Dorman - First Stop Brake Master Cylinder M630305 - view 3
Dorman - First Stop Brake Master Cylinder M630305 - view 4
Dorman - First Stop Brake Master Cylinder M630305
Dorman - First Stop Brake Master Cylinder M630305 - view 2
Dorman - First Stop Brake Master Cylinder M630305 - view 3
Dorman - First Stop Brake Master Cylinder M630305 - view 4

Dorman - First Stop Brake Master Cylinder P/N:M630305

$118.99
MPN: M630305
Item Package Quantity: 1
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Dorman - First Stop Brake Master Cylinder P/N:M630305
Dorman - First Stop Brake Master Cylinder P/N:M630305
$118.99

Turn pedal force into the hydraulic pressure your brakes rely on with the Dorman - First Stop Brake Master Cylinder M630305. The master cylinder sits at the heart of the hydraulic brake system, converting the effort you apply at the pedal into fluid pressure sent to the brake circuits. This unit drops in as a direct-fit replacement for the 2003-2005 Chrysler Town & Country, 2003 Chrysler Voyager, 2003-2005 Dodge Caravan, 2003-2005 Dodge Grand Caravan, and 2004-2005 Chrysler Pacifica (All engines).

  • 100% new, not remanufactured: built entirely from new materials to meet rigorous SAE International standards.
  • Aluminum housing: the cylinder housing is constructed to match the casting material of the original part for similar performance.
  • EPDM rubber components: all rubber parts use a high-quality EPDM compound for resistance to glycol-based brake fluid.
  • Key specs: 1-inch bore, two outlets, and a 7/16-24 secondary outlet thread.
  • Included: the reservoir and sensor are included; mounting hardware is not included — consult the vehicle service information for the correct fasteners and whether they may be reused.

Made in China.

Interchange: 100-2688 · 1002688 · 13-2974 · 132974 · 10-2974 · 102974 · 130.67030 · 131.67030 · 4721550AA · 4721550AB · 4721550AC · 4721550AD · MC512630 · 355-40067 · 35540067 · M3069 · NM3069 · NM3069A · MC390788 · F141687 · MC141687 · Manufacturer part number M630305.

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

100-2688, 13-2974, 10-2974, 130.67030, 131.67030, 4721550AA, 4721550AB, 4721550AC, 4721550AD, MC512630, 355-40067, M3069, NM3069, NM3069A, MC390788, F141687, MC141687

Frequently Asked Questions

What does a brake master cylinder do?

It converts the force from your brake pedal into hydraulic fluid pressure, which it sends through the brake circuits to operate the brakes at each wheel.

Will this master cylinder fit my vehicle?

It is a direct-fit replacement for the 2003-2005 Chrysler Town & Country, 2003 Chrysler Voyager, 2003-2005 Dodge Caravan and Grand Caravan, and 2004-2005 Chrysler Pacifica (All engines). Check the Buyer's Guide tab.

What is included with this part?

The package contains the master cylinder with the reservoir and sensor included. Mounting hardware is not included; consult the service information for the correct fasteners and whether they may be reused.

What is this master cylinder made of?

It is 100% new with an aluminum housing constructed to match the casting material of the original part, and all rubber components use a high-quality EPDM compound for resistance to glycol-based brake fluid.

What are the key specifications?

It has a 1-inch bore, two outlets, and a 7/16-24 secondary outlet thread, and it is made to meet rigorous SAE International standards.

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