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MPA ElectricalPart #: M55280
MPA Electrical M55280 Brake Master Cylinder
⚙️ 29 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$90.70Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
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*Free return shipping only qualifies if our fitment verification tool is used.
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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
📦Reman with front disc brakes
🚗Fitment: Audi and Volkswagen, A4, A4 Quattro, A6, A6 Quattro, A8, A8 Quattro, Passat, S4, and S8
🔄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 M55280 Brake Master Cylinder
| Brand | MPA Electrical |
| Part Number | M55280 |
| Position | Reman 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 |
| 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 | 0.85 |
| Mounting Bracket Included | No |
| Brake Pressure Switch(s) Included | No |
| Fluid Type | Dot 4 |
| Product Condition | Remanufactured |
This part fits 29 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2003 | Audi | A8 Quattro | N/A | Reman with front disc brakes | ||
| 2003 | Audi | S8 | N/A | Reman with front disc brakes | ||
| 2002 | Audi | A8 Quattro | N/A | Reman with front disc brakes | ||
| 2002 | Audi | S4 | N/A | Reman with front disc brakes | ||
| 2002 | Audi | S8 | N/A | Reman with front disc brakes | ||
| 2001 | Audi | A4 | N/A | Reman with front disc brakes | ||
| 2001 | Audi | A4 Quattro | N/A | Reman with front disc brakes | ||
| 2001 | Audi | A6 | N/A | Reman with front disc brakes | ||
| 2001 | Audi | A6 Quattro | N/A | Reman with front disc brakes | ||
| 2001 | Audi | A8 Quattro | N/A | Reman with front disc brakes | ||
| 2001 | Audi | S4 | N/A | Reman with front disc brakes | ||
| 2001 | Audi | S8 | N/A | Reman with front disc brakes | ||
| 2001 | Volkswagen | Passat | N/A | Reman with front disc brakes | ||
| 2000 | Audi | A4 | N/A | Reman with front disc brakes | ||
| 2000 | Audi | A4 Quattro | N/A | Reman with front disc brakes | ||
| 2000 | Audi | A6 | N/A | Reman with front disc brakes | ||
| 2000 | Audi | A6 Quattro | N/A | Reman with front disc brakes | ||
| 2000 | Audi | S4 | N/A | Reman with front disc brakes | ||
| 2000 | Volkswagen | Passat | N/A | Reman with front disc brakes | ||
| 1999 | Audi | A4 Quattro | 2.8L | V6 | N/A | Reman with front disc brakes |
| 1999 | Audi | A8 | N/A | Reman with front disc brakes | ||
| 1999 | Audi | A8 Quattro | N/A | Reman with front disc brakes | ||
| 1999 | Volkswagen | Passat | N/A | Reman with front disc brakes | ||
| 1998 | Audi | A8 | N/A | Reman with front disc brakes | ||
| 1998 | Audi | A8 Quattro | N/A | Reman with front disc brakes | ||
| 1997 | Audi | A6 | N/A | Reman with front disc brakes | ||
| 1997 | Audi | A8 | N/A | Reman with front disc brakes | ||
| 1997 | Audi | A8 Quattro | N/A | Reman with front disc brakes | ||
| 1996 | Audi | A6 | N/A | Reman 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:
4D0611021A
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.