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Dorman M630475 Brake Master Cylinder
Overview of Dorman Brake Master Cylinder for Toyota Avalon
The Dorman M630475 brake master cylinder is designed specifically for Toyota Avalon models, providing reliable brake hydraulics performance. Crafted from aluminum, this master cylinder offers durability and precision for your vehicle's braking system.
- Compatible with Toyota Avalon models
- Master cylinder bore diameter: 0.875 inches
- Constructed from durable aluminum material
- Includes two outlets with rearward outlet size M10 x 1.0
- Secondary outlet thread diameter of 10 mm with 1.0 thread pitch
- Does not include mounting hardware or reservoir
- Part number M630475 for easy identification
Detailed Product Description
The Dorman M630475 brake master cylinder is engineered to meet the specific hydraulic requirements of Toyota Avalon vehicles. Its aluminum construction ensures resistance to corrosion and long-lasting service life. The master cylinder features a bore diameter of 0.875 inches, which is critical for maintaining proper hydraulic pressure within the brake system. This part includes two outlets, with the rearward outlet sized at M10 x 1.0 and a secondary outlet thread diameter of 10 mm, both with a 1.0 thread pitch, ensuring compatibility with the vehicle's brake lines. Note that this master cylinder does not come with a reservoir or mounting hardware, so these components must be sourced separately if needed.
Common Applications and Issues Addressed
- Restores proper brake hydraulic pressure in Toyota Avalon brake systems
- Replaces worn or leaking master cylinders causing brake fluid loss
- Eliminates spongy or unresponsive brake pedal feel
- Resolves internal seal failures leading to brake system failure
- Addresses brake fluid contamination issues affecting master cylinder performance
Installation Notes and Tips
- Ensure compatibility with your specific Toyota Avalon model year before installation
- Brake fluid reservoir and mounting hardware are not included and must be installed separately
- Bleed the brake system thoroughly after installation to remove air and ensure proper brake function
- Use appropriate tools to avoid damaging the aluminum master cylinder during installation
- Consult the vehicle’s service manual for torque specifications and installation procedures
Quality Assurance and Warranty
Dorman manufactures the M630475 brake master cylinder to meet or exceed OEM standards for fit and function on Toyota Avalon vehicles. While specific warranty details are not provided here, Dorman products typically come with a limited warranty covering defects in material and workmanship. For exact warranty terms, refer to Dorman’s official documentation or contact the supplier.
| Brand | Dorman |
|---|---|
| Part Number | M630475 |
| Master Cylinder Bore Diameter | 0.875 |
| Master Cylinder Material | Aluminum |
| Mounting Hardware Included | No |
| Number of Outlets | 2 |
| Package Contents | Master Cylinder |
| Rearward Outlet Size | M10 X 1.0 |
| Reservoir Included | No |
| Secondary Outlet Thread Diameter | 10 |
| Sensor Included | No |
| Thread Pitch | 1.0 |
This part fits 3 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2007 | Toyota | Avalon | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 2006 | Toyota | Avalon | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 2005 | Toyota | Avalon | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.