Turn brake-pedal effort into the hydraulic pressure that operates your brakes with the Dorman - First Stop Brake Master Cylinder M630492. It's engineered to match the design, function, and performance of the original master cylinder, dropping into the 2007-2011 Dodge Nitro [All] and 2008-2011 Jeep Liberty [All].
This unit has a 1.063 in bore and two outlets — a rearward outlet sized 7/16-24 and a secondary outlet thread of 3/8-24 in. A reservoir and sensor are included; mounting hardware is not, so consult the vehicle service information for the correct fasteners and whether they may be reused. Signs the original may need replacing include a sinking or spongy pedal or fluid loss with no external leak — diagnose the cause before replacing. Country of origin: China.
Interchange: 100-2432 · 1002432 · 13-3317 · 133317 · 10-3317 · 103317 · 130.63070 · 13063070 · 68004467AA · 68004467AB · 68004467AC · 68004467AD · 355-42020 · 35542020 · NM4143 · MC391123 · MC391124 · F144416 · MC144416 · MWMMC900064. Manufacturer part number M630492.
This part cross-references / interchanges with the following part numbers:
What does this master cylinder do?
It converts the force from your brake pedal into hydraulic pressure that is delivered to the brake circuits to apply the brakes.
Which vehicles does it fit?
It's a direct-fit replacement for the 2007-2011 Dodge Nitro [All] and 2008-2011 Jeep Liberty [All]. Check the Buyer's Guide tab to confirm your vehicle.
Does it come with a reservoir and sensor?
Yes. A reservoir and sensor are included per the part attributes. Mounting hardware is not included.
What are the bore and outlet sizes?
It has a 1.063 in bore and two outlets: a rearward outlet sized 7/16-24 and a secondary outlet thread diameter of 3/8-24 in.
Is this unit new or remanufactured?
It is 100% new, made entirely from new materials, not remanufactured, and built to meet SAE International standards.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.