The Dorman - First Stop Brake Master Cylinder M630498 converts brake-pedal force into the hydraulic pressure that actuates the vehicle's brake circuits, and it installs as a direct-fit replacement for the 2007-2010 Dodge Ram 1500, 2011-2018 Ram 1500, and 2019 Ram 1500 Classic (all engines). Precision-engineered to match the design, function, and performance of the original master cylinder on these applications, it's built entirely from new, high-quality materials for a safe, durable replacement.
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: 100-2701 · 1002701 · 13-3316 · 133316 · 10-3316 · 103316 · 130.67043 · 13067043 · 68000908AA · 68000910AA · 355-40080 · 35540080 · NM4127 · MC391121 · MC391121RSV · F142431 · MC142431. Manufacturer part number M630498.
This part cross-references / interchanges with the following part numbers:
What does this brake master cylinder do?
It converts the force from the brake pedal into hydraulic pressure that operates the brake circuits. If a failed master cylinder is the cause of a sinking pedal or fluid loss, this replaces it.
Which vehicles does the M630498 fit?
It's a direct-fit replacement for the 2007-2010 Dodge Ram 1500, 2011-2018 Ram 1500, and 2019 Ram 1500 Classic (all engines). See the Buyer's Guide tab to confirm your vehicle.
Does it include a reservoir and sensor?
Yes. Per the catalog, this master cylinder includes the reservoir and the sensor. The package contains one master cylinder.
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 the bore size and outlet threads?
It has an aluminum housing with a 1.25 in bore and two outlets: a rearward outlet size of 1/2-20 and a secondary outlet thread diameter of 7/16-24.
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.