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

Turn pedal effort into the hydraulic pressure your brakes rely on with the Dorman First Stop Brake Master Cylinder, part number M630305, a new unit supplied with its reservoir and sensor. It fits many vehicles, among them the 2003-2005 Dodge Grand Caravan, 2003-2005 Dodge Caravan and 2004-2005 Chrysler Pacifica, as a direct-fit replacement for the listed applications. See the Buyer's Guide tab for the full list.

Dorman precision-engineers this master cylinder to mirror the design, function and performance of the original unit on the listed applications. It is built from new, high-quality materials to give you a safe, durable replacement.

• Precise replacement: the aluminum cylinder housing is constructed to match the original part's material for similar performance.
• Durable design: every rubber component uses a high-quality EPDM compound that resists glycol-based brake fluid.
• 100% new: made entirely from new materials, with quality and safety in mind.
• Strict specifications: made to meet rigorous SAE International standards.

Specifications: 1 in bore diameter · 2 outlets · 7/16-24 rearward outlet size · 7/16-24 secondary outlet thread · reservoir included · sensor included · mounting hardware not included · country of origin: China.

Signs a master cylinder may need replacing include a soft or sinking brake pedal, fluid leaking around the unit, or a steadily dropping reservoir level. These symptoms can also come from other brake components, so diagnose the cause before replacing. Because mounting hardware is not included, consult the vehicle service information for the correct fasteners and whether the originals may be reused.

Interchange: 100-2688 · 13-2974 · 10-2974 · 130.67030 · 131.67030 · 355-40067
1002688 · 132974 · 102974 · 13067030 · 13167030 · 35540067 · 4721550AA · 4721550AB · 4721550AC · 4721550AD · MC512630 · M3069 · NM3069 · NM3069A · MC390788 · F141687 · MC141687