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Dorman M630170 Brake Master Cylinder
| Brand | Dorman M630170 |
|---|---|
| Mounting Hardware Included | No |
| Master Cylinder Bore Diameter | 23 |
| Master Cylinder Material | Aluminum |
| Reservoir Included | No |
| Sensor Included | No |
| Number of Outlets | 2 |
| Package Contents | Master cylinder |
| Rearward Outlet Size | M10 x 1.0 |
| Secondary Outlet Thread Diameter | M12 x 1.0 |
| Thread Pitch | 1.0 |
| Fits | Mercedes-Benz · 12 vehicles |
OE-style replacement. Matches original design and function for a direct-fit brake master cylinder repair.
Aluminum construction. Lightweight housing built from new materials for durable hydraulic service.
23 mm bore. Application-specific bore size for consistent brake system operation.
Cross-references 11-2855, 072-9330 and 130.35011 for the same application. See all 8.
Brake Master Cylinder for Mercedes-Benz
This Dorman brake master cylinder is built to match the original design, function, and performance for specific Mercedes-Benz applications. It uses new materials and a 23 mm bore to support consistent hydraulic response in the brake system.
Key Features
- Precision-engineered replacement brake master cylinder
- Aluminum construction for a durable, lightweight housing
- 23 mm bore diameter for application-specific brake system operation
- Two outlet ports with M10 x 1.0 and M12 x 1.0 thread sizes
- No reservoir included
- No mounting hardware included
Detailed Description
Part number M630170 is a direct-fit style brake master cylinder for select Mercedes-Benz models, including the C230, C280, C36 AMG, C220, E320, and SLK230. It is engineered to replicate the original master cylinder’s design and function, making it a practical replacement for vehicles that require a 23 mm bore and the specified outlet thread sizes. The aluminum body and new-material construction support dependable brake hydraulic performance in everyday service. This part cross-references Monroe Shocks & Struts (e.g., 11-2855, 072-9330) for the same application.
Common Issues This Part May Address
- Brake pedal travel that feels excessive or inconsistent
- Loss of hydraulic pressure in the brake system
- Fluid leakage from the master cylinder assembly
- Brake response problems related to worn internal seals
- Replacement needs after master cylinder wear or failure
Installation Notes and Tips
Verify bore diameter, outlet thread sizes, and vehicle fitment before installation. This master cylinder does not include a reservoir or mounting hardware, so reuse or source those components separately as needed. After installation, the brake system should be properly bled to remove air and restore firm pedal feel.
Quality Assurance
Dorman manufactures this replacement master cylinder using new, high-quality materials for a safe and durable repair. Part number M630170 is built for specific Mercedes-Benz applications and is intended to match original design and performance requirements.
| Year | Make | Model | Body Type | Notes |
|---|---|---|---|---|
| 1998 | Mercedes-Benz | SLK230 | — | Brake Master Cylinder with 23mm bore |
| 1997 | Mercedes-Benz | C230 | — | Brake Master Cylinder with 23mm bore |
| 1997 | Mercedes-Benz | C280 | — | Brake Master Cylinder with 23mm bore |
| 1997 | Mercedes-Benz | C36 AMG | — | Brake Master Cylinder with 23mm bore |
| 1996 | Mercedes-Benz | C220 | — | Brake Master Cylinder with 23mm bore |
| 1996 | Mercedes-Benz | C280 | — | Brake Master Cylinder with 23mm bore |
| 1996 | Mercedes-Benz | C36 AMG | — | Brake Master Cylinder with 23mm bore |
| 1995 | Mercedes-Benz | C220 | — | Brake Master Cylinder with 23mm bore |
| 1995 | Mercedes-Benz | C280 | — | Brake Master Cylinder with 23mm bore |
| 1995 | Mercedes-Benz | C36 AMG | — | Brake Master Cylinder with 23mm bore |
| 1995 | Mercedes-Benz | E320 | Sedan | Brake Master Cylinder with 23mm bore |
| 1995 | Mercedes-Benz | E320 | Wagon | Brake Master Cylinder with 23mm bore |
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