Dorman - First Stop Brake Master Cylinder P/N:M630333

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$256.99
MPN: M630333
UPC: 885484128620
Item Package Quantity: 1
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Dorman - First Stop Brake Master Cylinder P/N:M630333
Dorman - First Stop Brake Master Cylinder P/N:M630333
$256.99

Convert brake-pedal force into the hydraulic pressure that feeds both brake circuits with the Dorman - First Stop Brake Master Cylinder M630333. It's a direct-fit replacement for the 2002-2008 Jaguar X-Type [All], precision-engineered to match the design, function, and performance of the original master cylinder on this application.

  • 100% new: built entirely of new materials — not remanufactured.
  • Aluminum housing: the cylinder body is made to match the original part's casting material for similar performance.
  • Fluid-compatible seals: rubber components use a high-quality EPDM compound for resistance to glycol-based brake fluid.
  • Ready to install: includes the reservoir, cap, and fluid-level sensor, plus a bleeder kit in the package.

Specs: 0.9375 in bore, a single reservoir, and 2 outlets (M14 x 1.5 rearward and M12 x 1.0 secondary) with 2 mounting holes. A push rod, mounting hardware, and mounting bracket are not included — consult the vehicle service information for the correct fasteners and whether they may be reused. Made to meet SAE International standards. Country of origin: Taiwan. Signs the original may need replacing include a pedal that slowly sinks under steady foot pressure, a spongy pedal, or fluid leaking at the cylinder; diagnose the cause before replacing.

Interchange: 100-2952 · 13-3259 · 11-3259 · 130.20001 · 355-20000
1002952 · 133259 · 113259 · 13020001 · 35520000 · C2S017220 · C2S17220 · NM55540 · F143624 · MC143624

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

100-2952, 13-3259, 11-3259, 130.20001, 355-20000, C2S017220, C2S17220, NM55540, F143624, MC143624

Frequently Asked Questions

What vehicle does this master cylinder fit?

It's a direct-fit replacement for the 2002-2008 Jaguar X-Type [All]. Check the Buyer's Guide tab to confirm fitment for your vehicle.

Is this a new or remanufactured master cylinder?

It's 100% new — built entirely of new materials, not remanufactured, and made to meet SAE International standards.

What comes with it?

It includes the reservoir, cap, and fluid-level sensor, plus a bleeder kit in the package. A push rod, mounting hardware, and mounting bracket are not included.

What are the key specifications?

An aluminum housing with a 0.9375 in bore, a single reservoir, and 2 outlets — M14 x 1.5 rearward and M12 x 1.0 secondary — with 2 mounting holes.

What are signs the master cylinder may need replacing?

A pedal that slowly sinks under steady pressure, a spongy pedal, or brake fluid leaking at the cylinder. Diagnose the cause before replacing.