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Dorman M39226 Brake Master Cylinder
Overview of the Dorman Brake Master Cylinder for Toyota Corolla
The Dorman M39226 brake master cylinder is designed specifically for Toyota Corolla models, providing reliable brake hydraulics performance. This cast iron master cylinder includes a reservoir and features precise bore and outlet specifications to ensure proper fit and function.
- Compatible with Toyota Corolla vehicles
- Master cylinder bore diameter: 0.75 inches
- Constructed from durable cast iron material
- Includes reservoir for brake fluid
- Two outlets with rearward outlet size M10 x 1.0 and thread pitch 1.0
- Secondary outlet thread diameter: 10 mm
- Mounting hardware not included
- Part number: M39226
Detailed Product Description
The Dorman M39226 brake master cylinder is engineered to meet the hydraulic braking needs of Toyota Corolla vehicles. Its cast iron construction offers strength and durability under demanding conditions. The master cylinder features a 0.75-inch bore diameter, which is critical for maintaining proper hydraulic pressure within the brake system. This unit comes with an integrated reservoir to hold brake fluid, simplifying installation and maintenance. The two outlets, including a rearward outlet sized M10 x 1.0 with a 1.0 thread pitch, ensure compatibility with the Corolla’s brake lines. Although mounting hardware is not included, the master cylinder is designed for straightforward replacement of the original component.
Common Applications and Issues Addressed
- Replacement for worn or leaking brake master cylinders on Toyota Corolla
- Restores proper hydraulic pressure for consistent brake pedal feel
- Resolves brake fluid leaks caused by damaged reservoirs or seals
- Addresses spongy or unresponsive brake pedal issues
- Prevents brake system failure due to master cylinder malfunction
Installation Notes and Tips
- Ensure compatibility with your specific Toyota Corolla model year before installation
- Brake fluid must be properly bled after installation to remove air from the system
- Use appropriate tools to avoid damaging the M10 x 1.0 threaded outlets
- Check all brake lines and fittings for leaks after installation
- Mounting hardware is not included; retain original hardware or source separately
Quality Assurance and Warranty
Dorman manufactures the M39226 brake master cylinder to meet or exceed OEM specifications for Toyota Corolla brake hydraulics. The cast iron construction and integrated reservoir are tested for durability and performance. While specific warranty details are not provided here, Dorman products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or the supplier for exact warranty terms.
| Brand | Dorman |
|---|---|
| Part Number | M39226 |
| Master Cylinder Bore Diameter | 0.75 |
| Master Cylinder Material | Cast Iron |
| Mounting Hardware Included | No |
| Number of Outlets | 2 |
| Package Contents | Master Cylinder |
| Rearward Outlet Size | M10 X 1.0 |
| Reservoir Included | Yes |
| Secondary Outlet Thread Diameter | 10 |
| Sensor Included | No |
| Thread Pitch | 1.0 |
This part fits 3 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1979 | Toyota | Corolla | 1.2L | L4 | N/A | Fits vehicles with a 3/4 inch bore size. |
| 1978 | Toyota | Corolla | 1.2L | L4 | N/A | Fits vehicles with a 3/4 inch bore size. |
| 1977 | Toyota | Corolla | 1.2L | L4 | N/A | Fits vehicles with a 3/4 inch bore size. |
* 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.