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MPA Electrical NM4072 Brake Master Cylinder
Brake Master Cylinder for Expedition and Navigator
Restore consistent brake pedal response with this MPA Electrical brake master cylinder, part number NM4072. It is a standard replacement master cylinder for 2003-2006 Ford Expedition and 2003-2006 Lincoln Navigator models with front disc brakes.
Built with an aluminum master cylinder body, plastic reservoir, and DOT 3 fluid compatibility, NM4072 is engineered to match OE specifications for dependable hydraulic performance. The unit includes a reservoir, cap, and seal, making it a direct-fit brake hydraulics replacement for the listed applications.
Key Features
- Brand: MPA Electrical
- Part number: NM4072
- Standard replacement brake master cylinder
- Aluminum master cylinder construction
- Plastic reservoir with cap included
- 1.125 in. bore diameter
- 2 mounting holes with 0.357 in. mounting hole diameter
- Gasket or seal included
- DOT 3 brake fluid type
- New with front disc brakes application
Product Details
MPA Electrical NM4072 is a brake master cylinder for Ford Expedition and Lincoln Navigator vehicles equipped with front disc brakes. The design uses OE-based testing and specification checks to help restore hydraulic braking performance and pedal feel. This part number NM4072 also cross-references 2L1Z2140AB for the same application.
Common Brake Issues It Can Address
- Low or inconsistent brake pedal response
- Internal hydraulic leakage in the master cylinder
- Brake fluid loss around the reservoir or seals
- Reduced braking performance from worn master cylinder components
- Pedal travel changes caused by failing brake hydraulics
Installation Notes
Verify vehicle fitment before installation. This master cylinder does not include mounting hardware, brake booster, push rod, sensor, or brake pressure switch. It is built for DOT 3 brake fluid and uses a 2-hole mounting pattern with a 1.125 in. bore diameter. Proper bench bleeding and system bleeding are recommended after installation on 2003-2006 Ford Expedition and 2003-2006 Lincoln Navigator brake systems.
Quality Assurance
MPA Electrical tests each unit against OE specifications using controlled processes and sample-based validation from its OE reference library to support consistent braking performance out of the box.
| Brand | MPA Electrical |
|---|---|
| Part Number | NM4072 |
| 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 | 1.125 |
| 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 | 0.357 |
| Mounting Bracket Included | No |
| Brake Pressure Switch(s) Included | No |
| Fluid Type | Dot 3 |
| Product Condition | New |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2006 | Ford | Expedition | N/A | New with front disc brakes |
| 2006 | Lincoln | Navigator | N/A | New with front disc brakes |
| 2005 | Ford | Expedition | N/A | New with front disc brakes |
| 2005 | Lincoln | Navigator | N/A | New with front disc brakes |
| 2004 | Ford | Expedition | N/A | New with front disc brakes |
| 2004 | Lincoln | Navigator | N/A | New with front disc brakes |
| 2003 | Ford | Expedition | N/A | New with front disc brakes |
| 2003 | Lincoln | Navigator | 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.