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MPA ElectricalPart #: NM55686
MPA Electrical NM55686 Brake Master Cylinder
⚙️ 11 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$69.37Free 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: BMW, X3 and X4
🔄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 NM55686 Brake Master Cylinder
| Brand | MPA Electrical |
| Part Number | NM55686 |
| Position | New with front disc brakes |
| Mounting Hardware Included | No |
| Grade Type | Standard replacement |
| Gasket Or Seal Included | Yes |
| Mounting Hole Quantity | 2 |
| Master Cylinder Bore Diameter | 1.039 |
| Brake Booster Included | No |
| Master Cylinder Cap Included | No |
| Master Cylinder Material | Aluminum |
| Push Rod Included | No |
| Reservoir Included | No |
| Sensor Included | No |
| Mounting Hole Diameter | 0.357 |
| Mounting Bracket Included | No |
| Brake Pressure Switch(s) Included | No |
| Fluid Type | Dot 4 |
| Product Condition | New |
This part fits 11 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2018 | BMW | X4 | N/A | New with front disc brakes | |
| 2017 | BMW | X3 | N/A | New with front disc brakes | |
| 2017 | BMW | X4 | N/A | New with front disc brakes | |
| 2016 | BMW | X3 | N/A | New with front disc brakes | |
| 2016 | BMW | X4 | xDrive35i | N/A | New with front disc brakes |
| 2015 | BMW | X3 | N/A | New with front disc brakes | |
| 2015 | BMW | X4 | N/A | New with front disc brakes | |
| 2014 | BMW | X3 | N/A | New with front disc brakes | |
| 2013 | BMW | X3 | N/A | New with front disc brakes | |
| 2012 | BMW | X3 | N/A | New with front disc brakes | |
| 2011 | BMW | X3 | 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:
34 3 6 857 87234 33 6 797 471
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.