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Dorman - First Stop Brake Master Cylinder P/N:M630029
$115.99
Keep hydraulic pressure flowing to both brake circuits with the Dorman - First Stop Brake Master Cylinder M630029. This master cylinder converts brake-pedal force into the hydraulic pressure that operates the vehicle's braking system, and it drops in as a direct-fit replacement for the 2006-2010 Jeep Commander [All] and 2006-2010 Jeep Grand Cherokee [All]. If a leaking or failing master cylinder is behind a sinking or spongy pedal, this replaces the worn original.
- 100% new: built entirely from new materials, not remanufactured.
- Aluminum housing: the cylinder housing is constructed to match the casting material of the original part for similar performance.
- EPDM seals: rubber components use a high-quality EPDM compound for resistance to glycol-based brake fluid.
- Built to spec: made to meet rigorous SAE International standards.
Specifications: 1.063 in bore diameter, 2 outlets, with M12 x 1.0 outlet threads (1 mm primary thread pitch). The reservoir, sensor, and mounting hardware are not included. Country of origin: China.
Interchange: 100-2066 · 1002066 · 13-3217 · 133217 · 10-3217 · 103217 · 130.58008 · 5175732AA · 355-42007 · 35542007 · NM4217 · MC391001 · F143086 · MC143086. Manufacturer part number M630029.
This part cross-references / interchanges with the following part numbers:
100-2066, 13-3217, 10-3217, 130.58008, 5175732AA, 355-42007, NM4217, MC391001, F143086, MC143086
Frequently Asked Questions
What does this master cylinder do?
It converts the force from the brake pedal into hydraulic pressure that is sent to the brake circuits. If a failing master cylinder is causing a sinking or spongy pedal, this replaces the worn original.
Which vehicles does the M630029 fit?
It is a direct-fit replacement for the 2006-2010 Jeep Commander [All] and 2006-2010 Jeep Grand Cherokee [All]. See the Buyer's Guide tab to confirm fitment for your vehicle.
Does it come with a reservoir, sensor, or mounting hardware?
No. The reservoir, sensor, and mounting hardware are not included; the package contains the master cylinder only.
What are the bore and outlet specifications?
It has a 1.063 in bore diameter and 2 outlets. The outlet thread diameter is M12 x 1.0 with a 1 mm primary outlet thread pitch.
Is this a new or remanufactured master cylinder?
It is 100% new, made entirely from new materials and not remanufactured. Its aluminum housing is built to match the casting material of the original part.
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Dorman - First Stop Brake Master Cylinder P/N:M630029
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