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Dorman - First Stop Brake Master Cylinder P/N:M630839
$122.99
Convert brake-pedal force into the hydraulic pressure that operates the brakes with the Dorman - First Stop Brake Master Cylinder M630839. It drops in as a direct-fit replacement for the 2011-2016 Chrysler Town & Country [All], 2011-2020 Dodge Grand Caravan [All], and 2012-2014 RAM C/V [All], engineered to replace the factory master cylinder on these listed applications.
- Aluminum housing: built to match the casting material of the original part for similar performance.
- Two outlets: 1.063 in bore diameter, with a rearward/secondary outlet thread of 7/16-24.
- Durable seals: all 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 made to meet rigorous SAE International standards.
The reservoir, fluid-level sensor, and mounting hardware are not included; consult the vehicle service information for the correct fasteners and whether they may be reused. If a failed master cylinder is the cause of a sinking or spongy pedal, this unit replaces it. Country of origin: China.
Interchange: 100-4026 · 1004026 · 10-4568 · 104568 · 130.67050 · 13067050 · 4581491AA · 4581491AB · 4581491AC · 4581491AD · 355-40086 · 35540086 · NM4318 · R144568. Manufacturer part number M630839.
This part cross-references / interchanges with the following part numbers:
100-4026, 10-4568, 130.67050, 4581491AA, 4581491AB, 4581491AC, 4581491AD, 355-40086, NM4318, R144568
Frequently Asked Questions
What does this brake master cylinder do?
It converts the force from your brake pedal into hydraulic pressure that is delivered through its two outlets to operate the brake system.
Which vehicles does M630839 fit?
It's a direct-fit replacement for the 2011-2016 Chrysler Town & Country, 2011-2020 Dodge Grand Caravan, and 2012-2014 RAM C/V (All). See the Buyer's Guide tab for the full list.
Does it include a reservoir, sensor, or mounting hardware?
No. The reservoir, fluid-level sensor, and mounting hardware are not included; consult the vehicle service information for the correct fasteners and whether they may be reused.
What are signs the master cylinder may need replacing?
A sinking or spongy brake pedal, loss of hydraulic pressure, or fluid leaking from the unit. Diagnose the cause before replacing, since other parts can produce these signs.
What numbers does this master cylinder interchange with?
It interchanges with 100-4026, 10-4568, 130.67050, 4581491AA/AB/AC/AD, 355-40086, NM4318, and R144568.
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Dorman - First Stop Brake Master Cylinder P/N:M630839
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