HomeBrake > Brake HydraulicsMPA Electrical NM55151 Brake Master Cylinder
Part #: NM55151

MPA Electrical NM55151 Brake Master Cylinder

New with front disc brakes
5 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
New with front disc brakes
Fitment: Hyundai, Elantra
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Brake Master Cylinder for Hyundai Elantra

Restore consistent brake pedal response with this new brake master cylinder from MPA Electrical. Built as a standard replacement for the 2001-2005 Hyundai Elantra with front disc brakes, part number NM55151 is engineered to match OE specifications for dependable hydraulic performance.

The MPA Electrical New with front disc brakes product line focuses on direct-fit brake hydraulics for specific vehicle applications. This aluminum master cylinder includes a reservoir and a cap, uses a 0.9375 bore diameter, and is specified for DOT 3 or DOT 4 brake fluid.

  • Fits 2001-2005 Hyundai Elantra, N/A
  • New brake master cylinder for front disc brake applications
  • Aluminum master cylinder construction
  • 0.9375 bore diameter for OE-style hydraulic output
  • Reservoir and master cylinder cap included
  • Standard replacement grade
  • Part number NM55151

Detailed Product Overview

MPA Electrical NM55151 is a brake master cylinder built to restore hydraulic pressure in the braking system of the Hyundai Elantra. The unit is tested against OE specifications using controlled validation processes, helping ensure consistent brake pedal feel and braking performance after replacement. This master cylinder is listed for 2001-2005 Hyundai Elantra models with front disc brakes and uses a two-hole mounting pattern with a 0.336 mounting hole diameter.

This part cross-references Genuine 585102D300 for the same application. If you are searching for a Hyundai Elantra brake master cylinder, Hyundai Elantra master cylinder replacement, or NM55151 brake hydraulics, this part matches the confirmed vehicle fitment.

Common Problems This Part Can Address

  • Low or inconsistent brake pedal response
  • Internal master cylinder leakage
  • Brake fluid loss at the hydraulic unit
  • Reduced braking performance from worn seals or bore wear
  • Need for a direct replacement on a 2001-2005 Hyundai Elantra with front disc brakes

Installation Notes and Tips

Before installation, verify the vehicle is a 2001-2005 Hyundai Elantra with front disc brakes and confirm the bore size, mounting pattern, and fluid specification. This master cylinder does not include mounting hardware, a push rod, brake booster, or seals, so reuse or source related components as needed. Bench bleeding the master cylinder before final installation helps remove trapped air and supports proper pedal feel.

Quality Assurance

MPA Electrical manufactures brake master cylinders to OE-based specifications and validates each unit through proprietary testing protocols. NM55151 is a new standard replacement part built for consistent hydraulic performance in the confirmed Hyundai Elantra applications.

BrandMPA Electrical
Part NumberNM55151
PositionNew with front disc brakes
Mounting Hardware IncludedNo
Grade TypeStandard replacement
Gasket Or Seal IncludedNo
Mounting Hole Quantity2
Master Cylinder Bore Diameter0.9375
Brake Booster IncludedNo
Master Cylinder Cap IncludedYes
Master Cylinder MaterialAluminum
Push Rod IncludedNo
Reservoir IncludedYes
Sensor IncludedNo
Mounting Hole Diameter0.336
Mounting Bracket IncludedNo
Brake Pressure Switch(s) IncludedNo
Fluid TypeDot 3 or dot 4
Product ConditionNew

This part fits 5 vehicles. Search below:

YearMakeModelPositionNotes
2005HyundaiElantraN/ANew with front disc brakes
2004HyundaiElantraN/ANew with front disc brakes
2003HyundaiElantraN/ANew with front disc brakes
2002HyundaiElantraN/ANew with front disc brakes
2001HyundaiElantraN/ANew 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:

585102D300

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.