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MPA ElectricalPart #: NM3031
MPA Electrical NM3031 Brake Master Cylinder
⚙️ 41 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$77.14Free 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: Buick, Cadillac, Oldsmobile, and Pontiac, 60 Special, 88, 98, Aurora, Bonneville, Delta 88, DeVille, Fleetwood, LeSabre, Park Avenue, and Riviera
🔄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 NM3031 Brake Master Cylinder
| Brand | MPA Electrical |
| Part Number | NM3031 |
| Position | New with front disc brakes |
| Reservoir Material | Plastic |
| Mounting Hardware Included | No |
| Grade Type | Standard replacement |
| Gasket Or Seal Included | No |
| Mounting Hole Quantity | 2 |
| Master Cylinder Bore Diameter | 1 |
| 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 | 0.408 |
| Mounting Bracket Included | No |
| Brake Pressure Switch(s) Included | No |
| Fluid Type | Dot 3 |
| Product Condition | New |
This part fits 41 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1999 | Oldsmobile | Aurora | N/A | New with front disc brakes |
| 1998 | Buick | Riviera | N/A | New with front disc brakes |
| 1998 | Oldsmobile | Aurora | N/A | New with front disc brakes |
| 1997 | Buick | Riviera | N/A | New with front disc brakes |
| 1997 | Oldsmobile | Aurora | N/A | New with front disc brakes |
| 1996 | Buick | Riviera | N/A | New with front disc brakes |
| 1996 | Oldsmobile | Aurora | N/A | New with front disc brakes |
| 1995 | Buick | LeSabre | N/A | New with front disc brakes |
| 1995 | Buick | Park Avenue | N/A | New with front disc brakes |
| 1995 | Buick | Riviera | N/A | New with front disc brakes |
| 1995 | Oldsmobile | 88 | N/A | New with front disc brakes |
| 1995 | Oldsmobile | 98 | N/A | New with front disc brakes |
| 1995 | Oldsmobile | Aurora | N/A | New with front disc brakes |
| 1995 | Pontiac | Bonneville | N/A | New with front disc brakes |
| 1994 | Buick | LeSabre | N/A | New with front disc brakes |
| 1994 | Buick | Park Avenue | N/A | New with front disc brakes |
| 1994 | Oldsmobile | 88 | N/A | New with front disc brakes |
| 1994 | Oldsmobile | 98 | N/A | New with front disc brakes |
| 1994 | Pontiac | Bonneville | N/A | New with front disc brakes |
| 1993 | Buick | LeSabre | N/A | New with front disc brakes |
| 1993 | Buick | Park Avenue | N/A | New with front disc brakes |
| 1993 | Cadillac | 60 Special | N/A | New with front disc brakes |
| 1993 | Cadillac | DeVille | N/A | New with front disc brakes |
| 1993 | Oldsmobile | 88 | N/A | New with front disc brakes |
| 1993 | Oldsmobile | 98 | N/A | New with front disc brakes |
| 1993 | Pontiac | Bonneville | N/A | New with front disc brakes |
| 1992 | Buick | LeSabre | N/A | New with front disc brakes |
| 1992 | Buick | Park Avenue | N/A | New with front disc brakes |
| 1992 | Cadillac | DeVille | N/A | New with front disc brakes |
| 1992 | Cadillac | Fleetwood | N/A | New with front disc brakes |
| 1992 | Oldsmobile | 88 | N/A | New with front disc brakes |
| 1992 | Oldsmobile | 98 | N/A | New with front disc brakes |
| 1992 | Pontiac | Bonneville | N/A | New with front disc brakes |
| 1991 | Buick | LeSabre | N/A | New with front disc brakes |
| 1991 | Buick | Park Avenue | N/A | New with front disc brakes |
| 1991 | Cadillac | DeVille | N/A | New with front disc brakes |
| 1991 | Cadillac | Fleetwood | N/A | New with front disc brakes |
| 1991 | Oldsmobile | 98 | N/A | New with front disc brakes |
| 1991 | Oldsmobile | Delta 88 | N/A | New with front disc brakes |
| 1991 | Pontiac | Bonneville | N/A | New with front disc brakes |
| 1990 | Buick | LeSabre | 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:
2555838825605860256168142563270825642820
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.