MPA Electrical NM4178 Brake Master Cylinder

Brake Master Cylinder for Ford E-Series

Restore consistent brake pedal response with this MPA Electrical brake master cylinder, part number NM4178. It is a standard replacement unit for 2008 Ford E-150 Econoline, E-250, and E-350 Super Duty models with front disc brakes.

Built with an aluminum master cylinder body, plastic reservoir, and included reservoir cap and gasket/seal, NM4178 is engineered to match OE specifications using tested replacement processes for dependable braking performance right out of the box.

Key Features

• Fits 2008 Ford E-150 Econoline, front disc brakes
• Fits 2008 Ford E-250, front disc brakes
• Fits 2008 Ford E-350 Super Duty, front disc brakes
• Standard replacement brake master cylinder
• Aluminum master cylinder construction with plastic reservoir
• 1.3125 in. bore diameter
• DOT 3 brake fluid type
• Reservoir and cap included
• Gasket or seal included
• Two mounting holes; 0.421 in. mounting hole diameter

Detailed Description

MPA Electrical NM4178 is a new brake master cylinder for Ford E-Series vans equipped with front disc brakes. This brake hydraulics component is built to restore hydraulic pressure at the master cylinder, helping maintain firm pedal feel and predictable brake response in daily driving and service use. The aluminum housing, plastic reservoir, and 1.3125-inch bore diameter are specified for direct replacement service on the listed 2008 Ford E-150 Econoline, E-250, and E-350 Super Duty applications.

MPA Electrical uses OE sample data and testing protocols to verify replacement units against original specifications. This part cross-references 8C2Z2140B and 8C3Z2140J for the same application. Search terms such as 2008 Ford E-150 Econoline brake master cylinder, 2008 Ford E-250 master cylinder, and 2008 Ford E-350 Super Duty brake master cylinder point to this exact NM4178 replacement.

Common Issues This Part May Address

• Low or inconsistent brake pedal feel
• Internal hydraulic leakage at the master cylinder
• Brake fluid loss from a worn reservoir seal
• Reduced braking response from a failing hydraulic unit
• Brake warning concerns tied to master cylinder wear

Installation Notes and Tips

Before installation, confirm the vehicle is a 2008 Ford E-150 Econoline, E-250, or E-350 Super Duty with front disc brakes. Bench bleeding the master cylinder before final installation helps remove trapped air from the hydraulic system. Verify the mounting hole spacing, bore size, and fluid type match the original unit, and use clean DOT 3 brake fluid during service. Mounting hardware, brake booster, push rod, sensor, and brake pressure switch are not included.

Quality Assurance

MPA Electrical tests each brake master cylinder against OE specifications using controlled inspection and validation processes. NM4178 is a new standard replacement part built to deliver consistent hydraulic performance for the listed Ford E-Series applications.