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Dorman - First Stop Brake Master Cylinder P/N:M630590
$173.99
Send hydraulic pressure to the brake circuits with the Dorman - First Stop Brake Master Cylinder M630590. It converts the force from your brake pedal into the hydraulic pressure that operates the braking system, and it drops in as a direct-fit replacement for the 2008 Chrysler 300, 2008 Dodge Challenger, 2008 Dodge Charger, and 2008 Dodge Magnum (All engines) — engineered to match the design, function, and performance of the original master cylinder on these applications.
- 100% new: built entirely from new materials, not remanufactured.
- Aluminum housing: constructed to match the casting material of the original part for similar performance.
- EPDM rubber components: made from a high-quality EPDM compound for resistance to glycol-based brake fluid.
- SAE-built: made to meet rigorous SAE International standards.
This unit has a 1.063 in bore and two outlets with M14 x 1.5 threads (1.5 mm pitch), and it ships with the 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: 100-2911 · 1002911 · 13-4120A · 134120A · 10-3719 · 103719 · 10-4120 · 104120 · 68033788AA · MC391126 · F143507 · F900066 · MC143507 · MWMMC900066. Manufacturer part number M630590.
This part cross-references / interchanges with the following part numbers:
100-2911, 13-4120A, 10-3719, 10-4120, 68033788AA, MC391126, F143507, F900066, MC143507, MWMMC900066
Frequently Asked Questions
What does this brake master cylinder do?
It converts the force from your brake pedal into hydraulic pressure that is sent to the brake circuits to operate the braking system.
Does it include a reservoir and sensor?
Yes. Per the catalog, both the reservoir and a fluid-level sensor are included. Mounting hardware is not included.
What vehicles does the M630590 fit?
It is a direct-fit replacement for the 2008 Chrysler 300, 2008 Dodge Challenger, 2008 Dodge Charger, and 2008 Dodge Magnum (All engines). See the Buyer's Guide tab to confirm your vehicle.
What are the key specifications?
The aluminum master cylinder has a 1.063 in bore and two outlets with M14 x 1.5 threads (1.5 mm pitch).
What are signs this master cylinder may need replacing?
Common signs include a brake pedal that slowly sinks to the floor, a soft or spongy pedal, or brake fluid leaks. Diagnose the cause before replacing, as other parts can cause similar symptoms.
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Dorman - First Stop Brake Master Cylinder P/N:M630590
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