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Dorman - First Stop Brake Master Cylinder P/N:M630627
$133.99
Convert brake-pedal force into the hydraulic pressure that moves fluid through your brake circuits with the Dorman First Stop Brake Master Cylinder M630627. It drops in as a direct-fit replacement for the 2008-2012 Chevrolet Malibu [All], 2008-2010 Pontiac G6 [All], and 2008-2009 Saturn Aura [All]. Dorman precision-engineers each unit to the design, function, and performance of the original master cylinder on its listed applications, using all-new materials for a dependable replacement.
- Aluminum housing: the cylinder housing is cast 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.
- 100% new: built entirely from new materials, not remanufactured.
- SAE-spec build: made to meet rigorous SAE International standards.
This unit has a 0.938 in bore and two outlets with M14 x 1.5 threads, and it ships with the fluid reservoir and fluid-level sensor 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: 174-1163 · 1741163 · 100-2816 · 1002816 · 14099 · 13-4033 · 134033 · 10-4033 · 104033 · 130.62160 · 355-47109 · 35547109 · 25952633 · NM4199 · MC391186 · F143725 · F144422 · MC143725 · MC144422 · Manufacturer part number M630627.
This part cross-references / interchanges with the following part numbers:
174-1163, 100-2816, 14099, 13-4033, 10-4033, 130.62160, 355-47109, 25952633, NM4199, MC391186, F143725, F144422, MC143725, MC144422
Frequently Asked Questions
What does the Dorman M630627 master cylinder do?
It converts brake-pedal force into hydraulic pressure that pushes brake fluid through the brake circuits, replacing the original master cylinder on the listed applications.
Does this master cylinder include the reservoir and sensor?
Yes. It ships with the fluid reservoir and a fluid-level sensor included, and it has two outlets with M14 x 1.5 threads.
What vehicles does this fit?
It's a direct-fit replacement for the 2008-2012 Chevrolet Malibu, 2008-2010 Pontiac G6, and 2008-2009 Saturn Aura. Check the Buyer's Guide tab to confirm your vehicle.
Is mounting hardware included?
No. Mounting hardware is not included; consult the vehicle service information for the correct fasteners and whether they may be reused.
What are signs my master cylinder may need replacing?
A sinking or spongy brake pedal, a low pedal, or brake-fluid seepage around the unit can be signs. Diagnose the cause first, since other components can produce the same symptoms.
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Dorman - First Stop Brake Master Cylinder P/N:M630627
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