HomeBrake > Brake HydraulicsDorman M631083 Brake Master Cylinder
Part #: M631083

Dorman M631083 Brake Master Cylinder

⚙️ 3 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Honda, Odyssey
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Reliable Brake Master Cylinder for Honda Odyssey

The Dorman M631083 Brake Master Cylinder is designed specifically for Honda Odyssey models, providing dependable brake hydraulics performance. Engineered with quality materials, this master cylinder ensures consistent braking response and safety.

  • Compatible with Honda Odyssey vehicles
  • Master cylinder bore diameter: 22.23 mm
  • Includes a plastic reservoir with a simple reservoir type
  • Equipped with two pistons for effective brake fluid pressure
  • Includes gasket or seal and master cylinder cap for secure operation
  • Constructed with steel and rubber components for durability
  • Features two mounting holes for secure installation

Product Details and Specifications

The Dorman M631083 brake master cylinder features a plastic reservoir designed to hold brake fluid securely, with a simple reservoir type that supports efficient fluid management. The master cylinder itself is constructed from steel and rubber materials, combining strength and flexibility to withstand the demands of brake hydraulics. This part includes two pistons, which help maintain proper hydraulic pressure for reliable braking performance. The bore diameter measures 22.23 mm, matching OEM specifications for a precise fit. Additionally, the product comes with a gasket or seal and a master cylinder cap to ensure a tight, leak-free system. Note that this master cylinder does not include a dust boot, brake booster, push rod, or mounting hardware.

Common Applications and Problem Resolution

  • Restores brake fluid pressure in Honda Odyssey brake systems
  • Replaces worn or leaking master cylinders causing brake failure
  • Addresses spongy or unresponsive brake pedal issues
  • Eliminates brake fluid leaks from the reservoir or seals
  • Improves overall brake system reliability and safety

Installation Notes and Tips

When installing the Dorman M631083 brake master cylinder on a Honda Odyssey, ensure the brake fluid reservoir is properly filled and free of contaminants. Bleed the brake system thoroughly to remove air pockets and verify that the mounting holes align correctly with the vehicle’s brake system. Since mounting hardware is not included, use the existing hardware or source OEM parts as needed. Inspect all seals and gaskets during installation to prevent leaks and maintain system integrity.

Quality Assurance and Warranty

Dorman brake master cylinders are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. This product includes a gasket or seal and master cylinder cap to maintain system integrity. While specific warranty details are not provided here, Dorman typically offers limited warranties on their brake hydraulic components to protect against defects in materials and workmanship.

BrandDorman
Part NumberM631083
Reservoir MaterialPlastic
Reservoir MaterialPlástico
Dust Boot IncludedNo
Dust Boot IncludedNon
Mounting Hardware IncludedNo
Mounting Hardware IncludedNon
Gasket Or Seal IncludedOui
Gasket Or Seal Included
Gasket Or Seal IncludedYes
Mounting Hole Quantity2
Master Cylinder Bore Diameter22.23
Piston Quantity2
Brake Booster IncludedNo
Brake Booster IncludedNon
Master Cylinder Cap IncludedOui
Master Cylinder Cap Included
Master Cylinder Cap IncludedYes
Master Cylinder MaterialAcero
Master Cylinder MaterialGoma
Master Cylinder MaterialPlastic
Master Cylinder MaterialPlástico
Master Cylinder MaterialRubber
Master Cylinder MaterialSteel
Master Cylinder MaterialZinc
Push Rod IncludedNo
Push Rod IncludedNon
Reservoir IncludedOui
Reservoir Included
Reservoir IncludedYes
Reservoir TypeSimple

This part fits 3 vehicles. Search below:

YearMakeModelPositionNotes
2020HondaOdysseyN/A
2019HondaOdysseyN/A
2018HondaOdysseyN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

46101THRA01

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.