MPA Electrical NM4254 Brake Master Cylinder

Brake Master Cylinder for Kia Spectra and Spectra5

Restore hydraulic braking performance with this new MPA Electrical brake master cylinder, part number NM4254. It is a standard replacement master cylinder built with an aluminum body, plastic reservoir, and included cap for direct service on select Kia Spectra and Kia Spectra5 applications with front disc brakes.

Key Features

• Brand: MPA Electrical
• Part number: NM4254
• Brake master cylinder for brake hydraulics service
• Aluminum master cylinder construction
• Plastic reservoir included
• Master cylinder cap included
• 0.9375 in. bore diameter
• Uses DOT 3 or DOT 4 brake fluid
• Standard replacement grade
• New product condition

Product Details

MPA Electrical NM4254 is engineered as a replacement brake master cylinder for vehicles equipped with front disc brakes. It is built to OE-style specifications using tested manufacturing processes and is intended to restore consistent brake pedal response and hydraulic pressure. This unit includes the reservoir and cap, while the brake booster, push rod, mounting hardware, seals, and sensor are not included.

Compatible With 2004-2005 Kia Spectra, N/A; 2005-2009 Kia Spectra5, N/A; and 2007-2009 Kia Spectra, N/A. This part cross-references OE number 585102F700 for the same application. The NM4254 part number is also useful when searching for a Kia Spectra brake master cylinder or Kia Spectra5 master cylinder replacement.

What It Helps Fix

• Low or inconsistent brake pedal feel
• Internal hydraulic leakage in the master cylinder
• Brake fluid loss at the master cylinder assembly
• Uneven or delayed brake response
• Brake warning concerns related to master cylinder wear

Installation Notes

Verify vehicle fitment by year, make, model, and front disc brake configuration before installation. Bench bleeding is recommended after installation or before final bleeding to remove trapped air from the hydraulic system. Use only DOT 3 or DOT 4 brake fluid, and inspect the brake lines, booster interface, and reservoir connections for wear or contamination during service.

Quality Assurance

MPA Electrical brake master cylinders are tested against OE specifications using controlled validation processes and sample-based comparison to support consistent out-of-box performance. NM4254 is a new standard replacement part for brake hydraulic repair on select Kia Spectra and Kia Spectra5 vehicles.