HomeBrake > Brake HydraulicsMPA Electrical NM4182 Brake Master Cylinder
Part #: NM4182

MPA Electrical NM4182 Brake Master Cylinder

New with front disc brakes
6 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
New with front disc brakes
Fitment: Chevrolet and GMC, Sierra 1500 and Silverado 1500
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Brake Master Cylinder for Silverado and Sierra

Restore consistent brake pedal response with this MPA Electrical brake master cylinder, part number NM4182. It is a standard replacement master cylinder built with an aluminum body, plastic reservoir, and included cap and gasket/seal for service-ready installation on the listed trucks.

Compatible with 2007-2009 Chevrolet Silverado 1500 and 2007-2009 GMC Sierra 1500 with front disc brakes, NM4182 is engineered to match OE specifications using tested manufacturing protocols. This brake master cylinder uses DOT 3 fluid and a 1.125-inch bore diameter for the specified applications.

Key Features

  • MPA Electrical NM4182 brake master cylinder
  • Standard replacement grade for brake hydraulic service
  • Aluminum master cylinder body with plastic reservoir
  • 1.125-inch bore diameter
  • Reservoir and cap included
  • Gasket or seal included
  • DOT 3 brake fluid type
  • Two mounting holes with 0.432-inch mounting hole diameter
  • New condition

Product Details

NM4182 is a brake master cylinder for Chevrolet Silverado 1500 and GMC Sierra 1500 trucks equipped with front disc brakes. MPA Electrical builds this unit from OE sample references and tests each master cylinder against OE specifications to help deliver consistent hydraulic performance out of the box. The aluminum housing and plastic reservoir provide a direct replacement solution for brake system repair on 2007-2009 Silverado 1500 and 2007-2009 Sierra 1500 applications.

This part cross-references Monroe Shocks & Struts (e.g., 19417186, 19420799) for the same application.

What It Helps Fix

  • Low or inconsistent brake pedal feel
  • Internal master cylinder leakage
  • Brake fluid loss at the hydraulic unit
  • Delayed brake response from worn hydraulic seals
  • Brake performance issues on front disc brake trucks

Installation Notes

Verify vehicle fitment by year, make, model, and brake configuration before installation. This master cylinder does not include mounting hardware, brake booster, push rod, sensor, or brake pressure switch. Bench bleeding and a full brake system bleed are standard service steps after master cylinder replacement.

Quality Assurance

MPA Electrical tests each brake master cylinder against OE specifications using proprietary processes and strict protocols to support consistent braking performance after installation. Part number NM4182 is a new standard replacement component for the listed Chevrolet and GMC truck applications.

BrandMPA Electrical
Part NumberNM4182
PositionNew with front disc brakes
Reservoir MaterialPlastic
Mounting Hardware IncludedNo
Grade TypeStandard replacement
Gasket Or Seal IncludedYes
Mounting Hole Quantity2
Master Cylinder Bore Diameter1.125
Brake Booster IncludedNo
Master Cylinder Cap IncludedYes
Master Cylinder MaterialAluminum
Push Rod IncludedNo
Reservoir IncludedYes
Sensor IncludedNo
Mounting Hole Diameter0.432
Mounting Bracket IncludedNo
Brake Pressure Switch(s) IncludedNo
Fluid TypeDot 3
Product ConditionNew

This part fits 6 vehicles. Search below:

YearMakeModelFuel TypePositionNotes
2009ChevroletSilverado 1500GASN/ANew with front disc brakes
2009GMCSierra 1500GASN/ANew with front disc brakes
2008ChevroletSilverado 1500N/ANew with front disc brakes
2008GMCSierra 1500N/ANew with front disc brakes
2007ChevroletSilverado 1500N/ANew with front disc brakes
2007GMCSierra 1500N/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:

19417186194207991943294684825844

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