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MPA Electrical NM4320 Brake Master Cylinder
Brake Master Cylinder for Cherokee and 200
Restore consistent brake pedal response with this MPA Electrical brake master cylinder, part number NM4320. It is a standard replacement unit built with an aluminum master cylinder body, plastic reservoir, and a 1.063-inch bore for vehicles equipped with front disc brakes.
Compatible with 2014-2019 Jeep Cherokee and 2015-2017 Chrysler 200, this NM4320 master cylinder is built for direct hydraulic brake system service. The reservoir is included, along with a cap and gasket/seal, while DOT 3 fluid compatibility supports common passenger vehicle brake system requirements.
Key Features
- Brand: MPA Electrical
- Part number: NM4320
- Brake master cylinder for front disc brake applications
- Aluminum master cylinder construction
- Plastic reservoir included
- 1.063-inch bore diameter
- DOT 3 fluid type
- Cap included
- Gasket or seal included
- Standard replacement grade
Product Details
MPA Electrical uses OE sample data and testing protocols to verify master cylinder performance against original specifications before release. This NM4320 brake master cylinder is a direct hydraulic replacement for Jeep Cherokee and Chrysler 200 applications listed above, helping maintain proper brake pressure delivery and pedal feel in vehicles with front disc brakes. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.
Common Brake Issues This Part Can Address
- Low or inconsistent brake pedal response
- Internal master cylinder leakage
- Brake fluid bypass within the hydraulic system
- Loss of braking performance from worn master cylinder seals
- Brake warning symptoms tied to hydraulic pressure loss
Installation Notes
Verify bore size, reservoir style, and mounting hole layout before installation. This unit has 2 mounting holes, does not include mounting hardware, and does not include a brake booster, push rod, sensor, mounting bracket, or brake pressure switch. Bench bleeding the master cylinder before installation helps remove trapped air and supports proper pedal feel after service.
Quality Assurance
Each MPA Electrical brake master cylinder is tested against OE specifications using controlled inspection and validation processes to support consistent braking performance out of the box.
| Brand | MPA Electrical |
|---|---|
| Part Number | NM4320 |
| 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 | 1.063 |
| 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 | 0.347 |
| Mounting Bracket Included | No |
| Brake Pressure Switch(s) Included | No |
| Fluid Type | Dot 3 |
| Product Condition | New |
This part fits 9 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2019 | Jeep | Cherokee | 2.4L | L4 | N/A | New with front disc brakes |
| 2018 | Jeep | Cherokee | N/A | New with front disc brakes | ||
| 2017 | Chrysler | 200 | N/A | New with front disc brakes | ||
| 2017 | Jeep | Cherokee | N/A | New with front disc brakes | ||
| 2016 | Chrysler | 200 | N/A | New with front disc brakes | ||
| 2016 | Jeep | Cherokee | N/A | New with front disc brakes | ||
| 2015 | Chrysler | 200 | N/A | New with front disc brakes | ||
| 2015 | Jeep | Cherokee | N/A | New with front disc brakes | ||
| 2014 | Jeep | Cherokee | 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.