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Dorman - First Stop Brake Master Cylinder P/N:M630474
$205.99
Turn firm brake-pedal effort into the hydraulic pressure that operates the braking system with the Dorman First Stop Brake Master Cylinder M630474. It drops in as a direct-fit replacement for the 2004-2006 Scion xA (All) and 2004-2006 Scion xB (All), feeding two outlets that send fluid to the brake circuits. If a worn or leaking master cylinder is behind a sinking or spongy pedal, this unit replaces it.
- Cast 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.
- 100% new: built entirely from new materials, not remanufactured.
- Two outlets with M10 x 1.0 threads: made to meet rigorous SAE International standards.
The reservoir, sensor, and mounting hardware are not included; consult the vehicle service information for the correct fasteners and whether they may be reused. Engineered to match the original master cylinder's design and function on the listed applications. Country of origin: China.
Interchange: 100-1629 · 1001629 · 13-3275 · 133275 · 11-3275 · 113275 · 130.44503 · 355-91000 · 35591000 · NM55529 · MC390890 · 4720752041 · 4722052100 · 4722052120 · F142326 · MC142326 · Manufacturer part number M630474.
This part cross-references / interchanges with the following part numbers:
100-1629, 13-3275, 11-3275, 130.44503, 355-91000, NM55529, MC390890, 4720752041, 4722052100, 4722052120, F142326, MC142326
Frequently Asked Questions
What does this brake master cylinder do?
It converts brake-pedal force into hydraulic pressure and distributes that fluid through two outlets to the brake circuits.
What vehicles does the M630474 fit?
It is a direct-fit replacement for the 2004-2006 Scion xA (All) and 2004-2006 Scion xB (All). See the Buyer's Guide tab to confirm your vehicle.
Does it include a reservoir, sensor, or mounting hardware?
No. The reservoir, sensor, and mounting hardware are not included; check the vehicle service information for the correct fasteners.
What is this master cylinder made of?
The housing is cast aluminum, constructed to match the original part's casting material, and the rubber components use a high-quality EPDM compound.
Is this part new or remanufactured?
It is 100% new, built entirely from new materials rather than remanufactured, and made to meet SAE International standards.
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Dorman - First Stop Brake Master Cylinder P/N:M630474
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