HomeBrake > Brake HydraulicsMPA Electrical NM4031 Brake Master Cylinder
Part #: NM4031

MPA Electrical NM4031 Brake Master Cylinder

New with front disc brakes
⚙️ 6 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$142.12Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ 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: Ford, Mustang
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
MPA Electrical NM4031 Brake Master Cylinder
BrandMPA Electrical
Part NumberNM4031
PositionNew with front disc brakes
Mounting Hardware IncludedNo
Grade TypeStandard replacement
Gasket Or Seal IncludedNo
Mounting Hole Quantity2
Master Cylinder Bore Diameter1.063
Brake Booster IncludedNo
Master Cylinder Cap IncludedYes
Master Cylinder MaterialAluminum
Push Rod IncludedNo
Reservoir IncludedYes
Sensor IncludedNo
Mounting Hole Diameter0.405
Mounting Bracket IncludedNo
Brake Pressure Switch(s) IncludedNo
Fluid TypeDot 3
Product ConditionNew

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2004FordMustang4.6LV8N/ANew with front disc brakes
2003FordMustang4.6LV8N/ANew with front disc brakes
2002FordMustang4.6LV8N/ANew with front disc brakes
2001FordMustang4.6LV8N/ANew with front disc brakes
2000FordMustang4.6LV8N/ANew with front disc brakes
1999FordMustang4.6LV8N/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:

F9ZZ2140AF9ZZ2140AAXR3Z2140AAXR3Z2K478AA

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