Dorman - First Stop Brake Master Cylinder P/N:M630107

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$115.99
MPN: M630107
Item Package Quantity: 1
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Dorman - First Stop Brake Master Cylinder P/N:M630107
Dorman - First Stop Brake Master Cylinder P/N:M630107
$115.99

Turn pedal effort into hydraulic brake pressure with the Dorman First Stop Brake Master Cylinder M630107. It is a direct-fit Honda Odyssey master cylinder for 1999-2004 models, all engines, and also fits the 2001-2002 Acura MDX, all engines. Dorman engineered it to mirror the original unit's design, function and performance. It is built from new, high-quality materials for a safe, durable replacement.

  • Precise replacement: the aluminum cylinder housing is constructed to match the material of the original part for similar performance.
  • Durable design: every rubber component uses a high-quality EPDM compound that resists glycol-based brake fluid.
  • 100% new: made entirely of new materials for quality and safety.
  • Strict specifications: made to meet rigorous SAE International standards.

Specifications: 27 mm bore diameter. Two outlets. The secondary and rearward outlets have M10 x 1.0 threads, and the primary outlet has a 1 mm thread pitch. The reservoir and sensor are included. Mounting hardware is not included, so consult the vehicle service information for the correct fasteners and whether they may be reused. Country of origin: Taiwan.

When you press the pedal, the master cylinder sends brake fluid under pressure to the brake lines. Signs it may need replacing include a soft or sinking pedal, fluid leaking at the cylinder, or a reservoir level that keeps dropping. Diagnose the cause before replacing it. After installation, bleed the brake system as directed by the vehicle service information.

Interchange: 100-1346 · 072-9490 · 13-2931 · 11-2931 · 130.40044 · 355-59026
1001346 · 0729490 · 132931 · 112931 · 13040044 · 35559026 · MC511520 · 46100S0X013 · M55136 · M55147 · NM55147 · MC390551 · F140379 · MC140379

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

100-1346, 072-9490, 13-2931, 11-2931, 130.40044, MC511520, 355-59026, 46100S0X013, M55136, M55147, NM55147, MC390551, F140379, MC140379

Frequently Asked Questions

Does this Honda Odyssey brake master cylinder also fit the Acura MDX?

Yes. It is listed for the 1999-2004 Honda Odyssey and the 2001-2002 Acura MDX, all engines. Check the Buyer's Guide tab to confirm your vehicle.

Does it come with a reservoir and sensor?

Yes, the reservoir and sensor are included. Mounting hardware is not included, so 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 a 27 mm bore and two outlets. The secondary and rearward outlets use M10 x 1.0 threads, and the primary outlet has a 1 mm thread pitch.

What are signs a brake master cylinder may need replacing?

Common signs include a soft or sinking pedal, fluid leaking at the cylinder, or a reservoir level that keeps dropping. Other brake parts can cause these symptoms, so diagnose the cause first.

What is the housing made of?

The housing is aluminum, and the unit is made entirely of new materials. Its rubber components use an EPDM compound that resists glycol-based brake fluid.