Dorman - First Stop Brake Master Cylinder M630833

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$147.99
MPN: M630833
UPC: 885484270398
Item Package Quantity: 1

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Dorman - First Stop Brake Master Cylinder P/N:M630833
Dorman - First Stop Brake Master Cylinder P/N:M630833
$147.99

Replace a leaking or worn master cylinder with the Dorman First Stop Brake Master Cylinder M630833, a new unit that converts brake pedal force into hydraulic pressure for the brake system. It is listed for several models, among them the 1999-2006 Volkswagen Jetta, 1999-2006 Volkswagen Golf and 1998-2005 Volkswagen Beetle, as a direct-fit replacement for the listed applications. See the Buyer's Guide tab for the full list.

  • Designed like the original: Dorman engineers this master cylinder to replicate the design, function and performance of the original unit on the listed applications. It is made from new, high-quality materials for a safe, durable replacement.
  • Aluminum housing: The cylinder housing is built to match the casting material of the original part for similar performance.
  • EPDM rubber components: Every rubber component uses a high-quality EPDM compound for resistance to glycol-based brake fluid.
  • Strict specifications: Made entirely of new materials to meet rigorous SAE International standards.

The unit has a 0.938-inch bore diameter and two outlets. The secondary outlet thread is M12 x 1.0, and the primary outlet thread pitch is 1 mm. A 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. Country of origin: China.

Interchange: 13-2874 · 11-2874 · 130.33417 · 131.33417 · 355-74042
1J1614019 · R134868 · 132874 · 112874 · 13033417 · 13133417 · 35574042

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

13-2874, 11-2874, 130.33417, 131.33417, 355-74042, 1J1614019, R134868

Frequently Asked Questions

Is this a direct-fit VW Beetle master cylinder?

Yes. It is listed as a direct-fit replacement for the 1998-2005 Volkswagen Beetle with all engines. See the Buyer's Guide tab for every listed application.

Will it work as a VW Jetta master cylinder or a Golf master cylinder?

It is listed for the 1999-2006 Volkswagen Jetta and the 1999-2006 Volkswagen Golf with all engines. The Buyer's Guide tab shows the full application list.

What comes in the box?

The package contains one new master cylinder, and a reservoir and sensor are included. Mounting hardware is not included, so check the vehicle service information for the correct fasteners.

What are the key specifications?

It has an aluminum housing, a 0.938-inch bore diameter and two outlets. The secondary outlet thread is M12 x 1.0, and the rubber components are EPDM for resistance to glycol-based brake fluid.

What are signs a master cylinder may need replacing?

A soft or sinking brake pedal, fluid leaking at the master cylinder or a dropping reservoir level can be signs. Diagnose the cause first, since other brake parts can cause the same symptoms.