Dorman - First Stop Brake Master Cylinder P/N:M630513

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$136.99
MPN: M630513
UPC: 885484083578
Item Package Quantity: 1
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Dorman - First Stop Brake Master Cylinder P/N:M630513
Dorman - First Stop Brake Master Cylinder P/N:M630513
$136.99

Turn brake-pedal effort into the hydraulic pressure your braking system depends on with the Dorman - First Stop Brake Master Cylinder M630513. It installs as a direct-fit replacement for the 2008-2017 Buick Enclave, 2009-2017 Chevrolet Traverse, 2007-2016 GMC Acadia, 2017 GMC Acadia Limited and 2007-2010 Saturn Outlook (All engines), and is engineered to match the design and function of the original master cylinder on those applications.

  • Hydraulic specs: 1.063 in bore with two outlets; rearward/secondary outlet threads are M12 x 1.0 with a 1 mm thread pitch.
  • Aluminum housing: the cylinder housing is built to match the casting material of the original part for similar performance.
  • Durable seals: rubber components use a high-quality EPDM compound for resistance to glycol-based brake fluid.
  • 100% new: made entirely of new materials, not remanufactured, and built to meet rigorous SAE International standards.

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. Country of origin: China.

Interchange: 174-1162 · 1741162 · 100-2648 · 1002648 · 13-3383 · 133383 · 10-3383 · 103383 · 130.66059 · 355-47185 · 35547185 · 22823315 · 25805646 · 25894721 · NM4190 · MC391147 · R135125 · Manufacturer part number M630513

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

174-1162, 100-2648, 13-3383, 10-3383, 130.66059, 355-47185, 22823315, 25805646, 25894721, NM4190, MC391147, R135125

Frequently Asked Questions

What does this brake master cylinder do?

It converts force from the brake pedal into hydraulic pressure and sends brake fluid through its two outlets to the braking system.

Which vehicles does the M630513 fit?

It is a direct-fit replacement for the 2008-2017 Buick Enclave, 2009-2017 Chevrolet Traverse, 2007-2016 GMC Acadia, 2017 GMC Acadia Limited and 2007-2010 Saturn Outlook (All engines). See the Buyer's Guide tab.

Are the reservoir and sensor included?

Yes. This master cylinder includes the reservoir and a sensor. Mounting hardware is not included; consult the vehicle service information for the correct fasteners.

Is this unit new or remanufactured?

It is 100% new, made entirely of new materials rather than remanufactured, and built to meet rigorous SAE International standards.

What are signs the master cylinder may need replacing?

A sinking or spongy pedal, uneven braking, or fluid loss can be signs. Diagnose the cause first; if a failed master cylinder is the issue, this replaces it.