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MPA Electrical NM55187 Brake Master Cylinder
| Brand | MPA Electrical NM55187 |
|---|---|
| Mounting Hardware Included | No |
| Grade Type | Standard replacement |
| Gasket Or Seal Included | No |
| Mounting Hole Quantity | 2 |
| Master Cylinder Bore Diameter | 0.875 |
| Brake Booster Included | No |
| Master Cylinder Cap Included | Yes |
| Push Rod Included | No |
| Reservoir Included | Yes |
| Sensor Included | No |
| Mounting Hole Diameter | 0.334 |
| Mounting Bracket Included | No |
| Brake Pressure Switch(s) Included | No |
| Product Condition | New |
| Product line | New with front disc brakes |
| Fits | Mazda · 3 vehicles |
Standard replacement. Engineered to restore braking performance with consistent results out of the box.
OE-spec tested. Built from an OE sample library and verified through strict testing protocols.
Reservoir included. Comes with a master cylinder cap for a complete, ready-to-install assembly.
Cross-references BJ0E4340Z for the same application. See all 1.
Brake Master Cylinder for Mazda Protege
Restore consistent brake pedal response with this new brake master cylinder from MPA Electrical. Built for 1999-2001 Mazda Protege models with front disc brakes, part number NM55187 is a standard replacement that supports dependable hydraulic pressure for everyday driving.
Key Features
- Fits 1999-2001 Mazda Protege, front disc brakes
- Standard replacement brake master cylinder
- 0.875 in. bore diameter for OE-style hydraulic performance
- Reservoir and cap included
- Two mounting holes with 0.334 in. mounting hole diameter
- New condition for direct service replacement
- Cross-references BJ0E4340Z for the same application
Product Details
MPA Electrical NM55187 is engineered as a brake master cylinder replacement for Mazda Protege applications with front disc brakes. The unit is tested against OE specifications using controlled inspection processes drawn from an OE sample library, helping deliver consistent brake feel and hydraulic operation after installation. The included reservoir and cap simplify replacement of the hydraulic assembly, while the 0.875-inch bore supports the braking system’s original operating characteristics.
This part number, NM55187, is a practical choice when servicing a 1999-2001 Mazda Protege brake system that needs renewed master cylinder performance. It is a new, standard replacement component for drivers addressing worn internal seals, fluid bypass, or loss of pedal firmness.
What This Part Helps Fix
- Low or sinking brake pedal feel
- Internal hydraulic leakage in the master cylinder
- Uneven or inconsistent brake pressure
- Brake fluid loss at the master cylinder assembly
- Reduced braking response in Mazda Protege front disc brake systems
Installation Notes and Tips
Before installation, verify the vehicle is a 1999-2001 Mazda Protege with front disc brakes and confirm the mounting hole layout matches the original unit. Transfer any required brake lines carefully, bench bleed the master cylinder before final installation, and bleed the full brake system afterward to remove trapped air. Mounting hardware, gasket or seal, push rod, brake booster, and brake pressure switch are not included.
Quality Assurance
MPA Electrical tests each brake master cylinder against OE specifications using proprietary procedures and strict protocols to help ensure proper operation out of the box. This part is built as a new replacement for reliable hydraulic performance in the Mazda Protege application.
| Year | Make | Model | Liters | Cylinders | Notes |
|---|---|---|---|---|---|
| 2001 | Mazda | Protege | 1.6L | L4 | New with front disc brakes |
| 2000 | Mazda | Protege | 1.6L | L4 | New with front disc brakes |
| 1999 | Mazda | Protege | 1.6L | L4 | New with front disc brakes |
| No rows match your filter. | |||||