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MPA ElectricalPart #: NM55377
MPA Electrical NM55377 Brake Master Cylinder
⚙️ 25 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$143.16Free 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: Subaru, Forester, Impreza, Legacy, Outback, WRX, and WRX STI
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? Click here for all Brake Master Cylinder options
MPA Electrical NM55377 Brake Master Cylinder
| Brand | MPA Electrical |
| Part Number | NM55377 |
| Position | New with front disc brakes |
| Reservoir Material | Plastic |
| Mounting Hardware Included | No |
| Grade Type | Standard replacement |
| Gasket Or Seal Included | Yes |
| Mounting Hole Quantity | 2 |
| Master Cylinder Bore Diameter | 0.9375 |
| Brake Booster Included | No |
| Master Cylinder Cap Included | Yes |
| Master Cylinder Material | Aluminum |
| Push Rod Included | No |
| Reservoir Included | Yes |
| Sensor Included | No |
| Mounting Hole Diameter | 0.340 |
| Mounting Bracket Included | No |
| Brake Pressure Switch(s) Included | No |
| Fluid Type | Dot 3 |
| Product Condition | New |
This part fits 25 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2014 | Subaru | Impreza | N/A | New with front disc brakes | |||
| 2014 | Subaru | WRX | N/A | New with front disc brakes | |||
| 2014 | Subaru | WRX STI | N/A | New with front disc brakes | |||
| 2013 | Subaru | Forester | N/A | New with front disc brakes | |||
| 2013 | Subaru | Impreza | N/A | New with front disc brakes | |||
| 2013 | Subaru | WRX | N/A | New with front disc brakes | |||
| 2013 | Subaru | WRX STI | N/A | New with front disc brakes | |||
| 2012 | Subaru | Forester | N/A | New with front disc brakes | |||
| 2012 | Subaru | Impreza | N/A | New with front disc brakes | |||
| 2012 | Subaru | WRX | N/A | New with front disc brakes | |||
| 2011 | Subaru | Forester | N/A | New with front disc brakes | |||
| 2011 | Subaru | Impreza | N/A | New with front disc brakes | |||
| 2010 | Subaru | Forester | N/A | New with front disc brakes | |||
| 2010 | Subaru | Impreza | N/A | New with front disc brakes | |||
| 2009 | Subaru | Forester | N/A | New with front disc brakes | |||
| 2009 | Subaru | Impreza | N/A | New with front disc brakes | |||
| 2009 | Subaru | Legacy | N/A | New with front disc brakes | |||
| 2009 | Subaru | Outback | N/A | New with front disc brakes | |||
| 2008 | Subaru | Impreza | WRX | N/A | New with front disc brakes | ||
| 2008 | Subaru | Legacy | GT spec.B | N/A | New with front disc brakes | ||
| 2008 | Subaru | Outback | 3.0L | H6 | N/A | New with front disc brakes | |
| 2007 | Subaru | Legacy | GT spec.B | N/A | New with front disc brakes | ||
| 2007 | Subaru | Outback | 3.0L | H6 | N/A | New with front disc brakes | |
| 2006 | Subaru | Outback | 3.0L | H6 | N/A | New with front disc brakes | |
| 2005 | Subaru | Outback | 3.0L | H6 | N/A | New 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:
26401-AG031
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.