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Dorman M129471 Brake Master Cylinder
Reliable Brake Master Cylinder for Toyota Pickup
The Dorman M129471 brake master cylinder is engineered to restore proper brake hydraulics for Toyota Pickup models. Designed with precision, this aluminum master cylinder includes a reservoir and sensor to ensure consistent brake performance and safety.
- Master cylinder bore diameter: 0.875 inches for accurate hydraulic pressure
- Constructed from durable aluminum material for corrosion resistance
- Includes reservoir for fluid storage and sensor for brake system monitoring
- Two outlets with secondary outlet thread diameter of 10 mm and rearward outlet size M10 x 1.0
- Thread pitch of 1.0 for secure fitting
- Mounting hardware not included
Product Details and Specifications
The Dorman M129471 brake master cylinder is specifically designed for Toyota Pickup vehicles, ensuring compatibility and reliable operation. Its aluminum construction offers strength and resistance to wear, while the included reservoir allows for proper brake fluid containment. The master cylinder features a bore diameter of 0.875 inches, which is critical for maintaining the correct hydraulic pressure within the brake system. Equipped with two outlets, including a secondary outlet with a 10 mm thread diameter and a rearward outlet sized M10 x 1.0, this part supports efficient brake fluid distribution. Additionally, the integrated sensor helps monitor brake system status, contributing to vehicle safety.
Common Applications and Problem Resolution
- Restores brake pressure loss due to worn or damaged master cylinder
- Eliminates brake fluid leaks from the master cylinder reservoir
- Resolves brake pedal sinking or sponginess caused by internal seal failure
- Addresses brake warning light activation related to sensor issues
- Improves overall brake system responsiveness in Toyota Pickup models
Installation Notes and Tips
Installation of the Dorman M129471 brake master cylinder requires proper brake system bleeding to remove air and ensure optimal performance. Since mounting hardware is not included, retain original hardware or acquire compatible fasteners before installation. Verify thread pitch and outlet sizes to match existing brake lines. It is recommended to inspect related brake components during replacement to maintain system integrity.
Quality Assurance and Warranty
Dorman manufactures this brake master cylinder to meet or exceed OEM standards for fit, form, and function. The part undergoes rigorous quality control to ensure durability and reliable operation. While specific warranty details are not provided, Dorman typically offers limited warranties on their brake hydraulics components to protect against defects in materials and workmanship.
| Brand | Dorman |
|---|---|
| Part Number | M129471 |
| 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 | Yes |
| Secondary Outlet Thread Diameter | 10 |
| Sensor Included | Yes |
| Thread Pitch | 1.0 |
This part fits 3 vehicles. Search below:
| Year | Make | Model | Submodel | Drive Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 1995 | Toyota | Pickup | Base | RWD | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. | ||
| 1994 | Toyota | Pickup | Base | RWD | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. | ||
| 1993 | Toyota | Pickup | Base | RWD | 2.4L | L4 | N/A | 1/2 Ton; Bore: 7/8 In. |
* 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.