Dorman - First Stop Brake Master Cylinder P/N:M630122

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$170.99
MPN: M630122
Item Package Quantity: 1
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Dorman - First Stop Brake Master Cylinder P/N:M630122
Dorman - First Stop Brake Master Cylinder P/N:M630122
$170.99

Turn brake-pedal effort into the hydraulic pressure that works the wheel brakes with the Dorman - First Stop Brake Master Cylinder M630122. Precision-engineered to match the design, function, and performance of the original unit, it drops in as a direct-fit replacement for the 2000 Toyota Avalon [All] and the 2002-2004 Toyota Avalon [All].

  • 100% new, not remanufactured: built entirely from new materials and made to meet rigorous SAE International standards for a safe, durable replacement.
  • Aluminum housing: the cylinder housing is constructed to match the casting material of the original part to ensure similar performance.
  • EPDM rubber components: all rubber parts use a high-quality EPDM compound for resistance to glycol-based brake fluid.
  • Two outlets, single reservoir: includes the reservoir and a sensor; 0.875 in bore diameter; both outlets use M10 x 1.0 thread with a 1 mm pitch.

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: 100-1543 · 1001543 · M-56023 · M56023 · 072-9768 · 0729768 · 13961 · 13-2930 · 132930 · 11-2930 · 112930 · 130.44027 · 131.44025 · 131.44027 · MC511580 · 355-76012 · 35576012 · M55226 · NM55226 · MC390595 · 4720107031 · 4720107032 · F141144 · MC141144
Manufacturer part number M630122

This part cross-references / interchanges with the following part numbers:

100-1543, M-56023, 072-9768, 13961, 13-2930, 11-2930, 130.44027, 131.44025, 131.44027, MC511580, 355-76012, M55226, NM55226, MC390595, 4720107031, 4720107032, F141144, MC141144

Frequently Asked Questions

What vehicles does the M630122 master cylinder fit?

It's a direct-fit replacement for the 2000 Toyota Avalon [All] and the 2002-2004 Toyota Avalon [All]. Check the Buyer's Guide tab to confirm your specific vehicle.

What does a brake master cylinder do?

It converts the force from your brake pedal into hydraulic pressure that is sent to the brakes. If a failed master cylinder is the cause of a sinking or soft pedal, this replaces it.

Is a reservoir included?

Yes. This unit has a single reservoir that is included, and a sensor is also included.

What is the bore size and outlet thread?

The bore diameter is 0.875 in, and it has two outlets that use M10 x 1.0 thread with a 1 mm pitch.

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.