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MPA Electrical NM4159 Brake Master Cylinder
Brake Master Cylinder for Lincoln LS
Restore consistent brake pedal response with this MPA Electrical brake master cylinder for the Lincoln LS. Built as a standard replacement for vehicles with front disc brakes, NM4159 is engineered to match OE specifications for dependable hydraulic performance.
Compatible with 2000-2006 Lincoln LS, this aluminum master cylinder is a direct-fit brake hydraulics replacement for drivers addressing pedal travel, hydraulic pressure loss, or worn internal seals. Part number NM4159 is also referenced for the same application under 3W4Z2140BA and 6W4Z2140B.
Key Features
- Brand: MPA Electrical
- Part number: NM4159
- Standard replacement brake master cylinder
- Aluminum master cylinder body
- 1-inch bore diameter
- Gasket or seal included
- Two mounting holes with 0.363-inch mounting hole diameter
- New with front disc brakes application
- Reservoir, booster, push rod, sensor, and pressure switch not included
Product Details
MPA Electrical NM4159 is a brake master cylinder for the Lincoln LS that restores hydraulic pressure at the brake pedal and supports proper brake system operation. The aluminum construction and 1-inch bore size align with standard replacement needs for 2000-2006 Lincoln LS models equipped with front disc brakes. MPA Electrical tests each unit against OE specifications using controlled procedures and an OE sample library to help ensure consistent performance out of the box. If you are replacing a leaking, soft, or internally bypassing master cylinder, NM4159 provides a direct service part for this application.
Common Issues This Part Can Address
- Low or sinking brake pedal
- Brake fluid leakage at the master cylinder
- Uneven or delayed hydraulic brake response
- Internal seal wear causing pedal bypass
- Loss of braking performance from a worn master cylinder
Installation Notes and Tips
Before installation, verify the vehicle is a 2000-2006 Lincoln LS with front disc brakes and confirm bore and mounting dimensions match the original unit. Transfer or source any required external components separately, since the reservoir, booster, push rod, sensor, pressure switch, and mounting hardware are not included. After installation, bleed the brake system thoroughly and inspect all hydraulic connections for leaks.
Quality Assurance
MPA Electrical manufactures this master cylinder as a standard replacement part and tests it against OE specifications for consistent braking performance. The part is new and includes a gasket or seal for service installation.
| Brand | MPA Electrical |
|---|---|
| Part Number | NM4159 |
| Position | New with front disc brakes |
| Mounting Hardware Included | No |
| Grade Type | Standard replacement |
| Gasket Or Seal Included | Yes |
| Mounting Hole Quantity | 2 |
| Master Cylinder Bore Diameter | 1 |
| Brake Booster Included | No |
| Master Cylinder Cap Included | No |
| Master Cylinder Material | Aluminum |
| Push Rod Included | No |
| Reservoir Included | No |
| Sensor Included | No |
| Mounting Hole Diameter | 0.363 |
| Mounting Bracket Included | No |
| Brake Pressure Switch(s) Included | No |
| Product Condition | New |
This part fits 7 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2006 | Lincoln | LS | N/A | New with front disc brakes |
| 2005 | Lincoln | LS | N/A | New with front disc brakes |
| 2004 | Lincoln | LS | N/A | New with front disc brakes |
| 2003 | Lincoln | LS | N/A | New with front disc brakes |
| 2002 | Lincoln | LS | N/A | New with front disc brakes |
| 2001 | Lincoln | LS | N/A | New with front disc brakes |
| 2000 | Lincoln | LS | 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.