OE Quality
60-Day Returns

Dorman M630097 Brake Master Cylinder
Reliable Brake Master Cylinder for Nissan Sentra
The Dorman M630097 brake master cylinder is engineered to restore proper brake hydraulics for Nissan Sentra models. Designed with precision, this aluminum master cylinder includes a reservoir and sensor to ensure consistent brake performance and safety.
- Compatible with Nissan Sentra vehicles
- Master cylinder bore diameter of 0.938 inches for accurate hydraulic pressure
- Durable aluminum construction for corrosion resistance
- Includes reservoir and sensor for integrated brake system monitoring
- Two outlet ports with rearward outlet size M10 x 1.0 and thread pitch 1.0
- Secondary outlet thread diameter of 10 mm
- Mounting hardware not included
Product Details and Specifications
The Dorman M630097 brake master cylinder is crafted from aluminum, providing a lightweight yet durable component for the brake hydraulics system. Its 0.938-inch bore diameter is designed to deliver precise hydraulic pressure to the brake calipers, ensuring responsive braking. This master cylinder comes with an integrated reservoir and sensor, allowing for fluid level monitoring and system diagnostics. Featuring two outlets, including a rearward outlet sized M10 x 1.0 with a 1.0 thread pitch, it supports proper brake line connections. The secondary outlet thread diameter measures 10 mm, accommodating the brake system's hydraulic requirements. Note that mounting hardware is not included with this part.
Compatible Nissan Sentra Brake System Applications
- Replacement for worn or leaking master cylinders in Nissan Sentra models
- Resolves issues with inconsistent brake pedal feel or pressure
- Addresses brake fluid leaks from the master cylinder reservoir or outlets
- Restores proper brake fluid flow and pressure to the braking system
- Supports sensor functionality for brake fluid level monitoring
Installation Notes and Tips
When installing the Dorman M630097 brake master cylinder on a Nissan Sentra, ensure the brake system is properly bled to remove air and maintain hydraulic integrity. Since mounting hardware is not included, retain or source compatible fasteners for secure installation. Verify that the sensor connector is properly attached to maintain brake fluid level monitoring. Follow manufacturer torque specifications for outlet fittings to prevent leaks.
Quality Assurance and Warranty
Dorman manufactures this brake master cylinder to meet or exceed OEM standards for fit and function on Nissan Sentra vehicles. The aluminum construction offers corrosion resistance for extended service life. This part includes a sensor and reservoir to maintain system reliability. Warranty coverage details should be confirmed with the distributor or retailer.
| Brand | Dorman |
|---|---|
| Part Number | M630097 |
| Master Cylinder Bore Diameter | 0.938 |
| 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 7 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2006 | Nissan | Sentra | 1.8L | L4 | N/A | Fits 15/16" bore size drum brakes on multiple vehicle models. |
| 2005 | Nissan | Sentra | 1.8L | L4 | N/A | Fits 15/16" bore size drum brakes on multiple vehicle models. |
| 2004 | Nissan | Sentra | 1.8L | L4 | N/A | Fits 15/16" bore size drum brakes on multiple vehicle models. |
| 2003 | Nissan | Sentra | 1.8L | L4 | N/A | Fits 15/16" bore size drum brakes on multiple vehicle models. |
| 2002 | Nissan | Sentra | 1.8L | L4 | N/A | Fits 15/16" bore size drum brakes on multiple vehicle models. |
| 2001 | Nissan | Sentra | N/A | Fits 15/16" bore size drum brakes on multiple vehicle models. | ||
| 2000 | Nissan | Sentra | N/A | Fits 15/16" bore size drum brakes on multiple vehicle models. |
* 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.