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Dorman M630659 Brake Master Cylinder
| Brand | Dorman M630659 |
|---|---|
| Mounting Hardware Included | No |
| Master Cylinder Bore Diameter | 0.875 |
| Master Cylinder Material | Aluminum |
| Reservoir Included | Yes |
| Secondary Outlet Thread Diameter | 10 |
| Sensor Included | Yes |
| Number of Outlets | 2 |
| Package Contents | Master cylinder |
| Rearward Outlet Size | M10 x 1.0 |
| Thread Pitch | 1.0 |
| Fits | Pontiac and Toyota · 16 vehicles |
OE-style replacement. Matches the original master cylinder’s design, function, and performance.
Aluminum construction. Uses new materials for a durable brake hydraulic replacement.
Reservoir and sensor included. Comes ready with key components for a complete swap.
Cross-references Centric Parts 130.44128, Raybestos Brakes MC391173 and 10-4337 for the same application. See all 7.
Brake Master Cylinder for Toyota Matrix and Corolla
Dorman M630659 is a brake master cylinder built to match the original design, function, and performance on select Toyota and Pontiac vehicles. It uses new aluminum construction, includes a reservoir and sensor, and is engineered for a direct replacement on the listed applications.
Key Features
- Direct replacement brake master cylinder for select Toyota Matrix, Toyota Corolla, and Pontiac Vibe models
- Aluminum master cylinder body for durable brake hydraulic performance
- 0.875 in. bore diameter
- Reservoir included
- Sensor included
- Two outlet design with M10 x 1.0 rearward outlet thread
- Thread pitch: 1.0
- Part number: M630659
Detailed Description
This Dorman brake master cylinder is designed for vehicles that need a replacement hydraulic unit with the same basic fit and function as the original component. It is a practical choice for brake system service on 2008-2013 Toyota Matrix, 2008-2009 Toyota Corolla with Vehicle Stability Control, and 2009-2010 Pontiac Vibe applications. This part cross-references Raybestos Brakes MC391173 for the same application. The M630659 master cylinder is built from new materials and uses a two-outlet layout with the correct thread sizing for the listed vehicles.
What It Helps Fix
- Soft or inconsistent brake pedal feel caused by internal master cylinder wear
- Brake fluid leakage from a failing master cylinder body or seals
- Loss of hydraulic pressure in the brake system
- Brake warning light concerns related to master cylinder sensor issues
- Service needs on Toyota Matrix, Toyota Corolla, or Pontiac Vibe brake hydraulics
Installation Notes and Tips
Verify vehicle fitment by year, model, and notes before installation. This part is listed for 2012 Toyota Matrix from 6/12, 2013 Toyota Matrix, 2008-2009 Toyota Corolla with Vehicle Stability Control, 2008-2009 Toyota Matrix with Vehicle Stability Control, and 2009-2010 Pontiac Vibe. Mounting hardware is not included. Bench bleeding the master cylinder before installation and bleeding the brake system after installation are standard service steps for brake hydraulic replacement. Confirm outlet thread sizes and sensor connection before final assembly.
Quality Assurance
Dorman states this master cylinder is precision-engineered to match the original unit’s design, function, and performance on the specified vehicles. It is manufactured from new, high-quality materials for a durable brake system replacement.
| Year | Make | Model | Submodel | Drive Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2013 | Toyota | Matrix | S | FWD | — | — | N/A | — |
| 2013 | Toyota | Matrix | S | AWD | — | — | N/A | — |
| 2013 | Toyota | Matrix | AWD | AWD | — | — | N/A | — |
| 2013 | Toyota | Matrix | XRS | FWD | — | — | N/A | — |
| 2012 | Toyota | Matrix | S | FWD | — | — | N/A | From 6/12 |
| 2012 | Toyota | Matrix | S | AWD | — | — | N/A | From 6/12 |
| 2012 | Toyota | Matrix | AWD | AWD | — | — | N/A | From 6/12 |
| 2012 | Toyota | Matrix | XRS | FWD | — | — | N/A | From 6/12 |
| 2010 | Pontiac | Vibe | — | — | 2.4L | L4 | N/A | — |
| 2009 | Pontiac | Vibe | — | — | 2.4L | L4 | N/A | To 1/31/09 |
| 2009 | Toyota | Corolla | — | — | — | — | N/A | w/Vehicle Stability Control; To 1/09 |
| 2009 | Toyota | Matrix | Base | FWD | — | — | N/A | w/Vehicle Stability Control; To 2/09 |
| 2009 | Toyota | Matrix | XR | FWD | — | — | N/A | w/Vehicle Stability Control; To 2/09 |
| 2008 | Toyota | Corolla | — | — | 1.8L | L4 | N/A | From 1/08; w/Vehicle Stability Control |
| 2008 | Toyota | Matrix | — | — | 1.8L | L4 | N/A | Built in Japan; To 1/08; w/Vehicle Stability Control |
| 2008 | Toyota | Matrix | — | — | 1.8L | L4 | N/A | From 1/08; w/Vehicle Stability Control |
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