HomeBrake > Brake HydraulicsMPA Electrical NM4120 Brake Master Cylinder
Part #: NM4120

MPA Electrical NM4120 Brake Master Cylinder

New with front disc brakes
⚙️ 12 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦New with front disc brakes
🚗Fitment: Dodge and Ram, 2500, 3500, Ram 2500, and Ram 3500
🔄Easy Returns — Return within 60 days for a full refund
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MPA Electrical NM4120 Brake Master Cylinder
BrandMPA Electrical
Part NumberNM4120
PositionNew with front disc brakes
Mounting Hardware IncludedNo
Grade TypeStandard replacement
Gasket Or Seal IncludedNo
Mounting Hole Quantity2
Master Cylinder Bore Diameter1.313
Brake Booster IncludedNo
Master Cylinder Cap IncludedYes
Master Cylinder MaterialAluminum
Push Rod IncludedNo
Reservoir IncludedYes
Sensor IncludedNo
Mounting Hole Diameter0.406
Mounting Bracket IncludedNo
Brake Pressure Switch(s) IncludedNo
Fluid TypeDot 3
Product ConditionNew

This part fits 12 vehicles. Search below:

YearMakeModelFuel TypePositionNotes
2011Ram2500DIESELN/ANew with front disc brakes
2011Ram3500N/ANew with front disc brakes
2010DodgeRam 2500DIESELN/ANew with front disc brakes
2010DodgeRam 3500N/ANew with front disc brakes
2009DodgeRam 2500DIESELN/ANew with front disc brakes
2009DodgeRam 3500DIESELN/ANew with front disc brakes
2008DodgeRam 2500DIESELN/ANew with front disc brakes
2008DodgeRam 3500DIESELN/ANew with front disc brakes
2007DodgeRam 2500DIESELN/ANew with front disc brakes
2007DodgeRam 3500DIESELN/ANew with front disc brakes
2006DodgeRam 2500DIESELN/ANew with front disc brakes
2006DodgeRam 3500DIESELN/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:

05179892AA5179892AA

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