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OE Quality
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MPA Electrical NM52517 Brake Master Cylinder
Brake Master Cylinder for Honda Civic
Restore consistent brake pedal feel with this new brake master cylinder from MPA Electrical. Built for 1990-1991 Honda Civic models with front disc brakes, Part Number NM52517 is a standard replacement unit with an aluminum body, plastic reservoir, and included cap and seals.
Key Features
- Fits 1990-1991 Honda Civic, front disc brake applications
- Standard replacement brake master cylinder
- Aluminum master cylinder construction with plastic reservoir
- 0.9375 in. bore diameter for OE-style hydraulic performance
- Reservoir, cap, and gasket/seal included
- Uses DOT 3 or DOT 4 brake fluid
- MPA Electrical NM52517
Product Details
MPA Electrical NM52517 is a brake master cylinder engineered to restore hydraulic braking performance on Honda Civic models equipped with front disc brakes. The unit is tested against OE specifications using controlled inspection processes and sample-based validation, helping deliver consistent brake response right out of the box. The aluminum master cylinder body, 2 mounting holes, and 0.365 in. mounting hole diameter support direct replacement service, while the plastic reservoir and included cap simplify fluid system setup. This part cross-references Honda 46100SH4A11 for the same application.
Common Brake Issues This Part Can Address
- Low or inconsistent brake pedal pressure
- Internal master cylinder fluid bypass
- Brake fluid leakage at the cylinder or reservoir
- Spongy pedal feel after hydraulic wear
- Reduced braking response on Honda Civic front disc brake systems
Installation Notes and Tips
Before installation, verify the vehicle is a 1990-1991 Honda Civic with front disc brakes and confirm bore size and port configuration match the original unit. Bench bleed the master cylinder before final installation, then bleed the brake system thoroughly with DOT 3 or DOT 4 fluid. Mounting hardware, brake booster, push rod, and pressure switch are not included.
Quality Assurance
MPA Electrical tests each master cylinder against OE specifications using proprietary processes and strict protocols to support reliable braking performance. Part Number NM52517 is a new standard replacement brake master cylinder built for direct service on the listed Honda Civic applications.
| Brand | MPA Electrical |
|---|---|
| Part Number | NM52517 |
| Position | New with front disc brakes |
| Reservoir Material | Plastic |
| Mounting Hardware Included | No |
| Grade Type | Standard replacement |
| Gasket Or Seal Included | Yes |
| Mounting Hole Quantity | 2 |
| Master Cylinder Bore Diameter | 0.9375 |
| Brake Booster Included | No |
| Master Cylinder Cap Included | Yes |
| Master Cylinder Material | Aluminum |
| Push Rod Included | No |
| Reservoir Included | Yes |
| Sensor Included | No |
| Mounting Hole Diameter | 0.365 |
| Mounting Bracket Included | No |
| Brake Pressure Switch(s) Included | No |
| Fluid Type | Dot 3 or dot 4 |
| Product Condition | New |
This part fits 2 vehicles. Search below:
| Year | Make | Model | Drive Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1991 | Honda | Civic | FWD | 1.6L | L4 | N/A | New with front disc brakes |
| 1990 | Honda | Civic | FWD | 1.6L | L4 | N/A | New with front disc brakes |
* 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.