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MPA Electrical NM3066 Brake Master Cylinder
Brake Master Cylinder for Cadillac DeVille
Restore consistent brake pedal response with this new brake master cylinder from MPA Electrical. Built for 1998-1999 Cadillac DeVille models with front disc brakes, part number NM3066 is a standard replacement brake hydraulic component for direct service use.
Key Features
- Fits 1998-1999 Cadillac DeVille, front disc brakes
- 1.125 in. master cylinder bore diameter
- Aluminum master cylinder body with plastic reservoir
- Reservoir included with cap included
- Uses DOT 3 brake fluid
- Two mounting holes; 0.431 in. mounting hole diameter
- New condition standard replacement part
Product Details
MPA Electrical NM3066 is a brake master cylinder engineered to restore hydraulic braking performance on the Cadillac DeVille. The aluminum housing and integrated plastic reservoir are built to OE-style specifications, and each unit is tested against original equipment standards using controlled inspection processes before it leaves the factory. This part cross-references OE number 18029793 for the same application.
Common Brake Issues It Can Address
- Low or inconsistent brake pedal feel
- Internal hydraulic leakage in the master cylinder
- Brake fluid loss at the reservoir or cylinder body
- Reduced braking response during normal driving
- Brake warning symptoms tied to master cylinder wear
Installation Notes
Verify vehicle fitment before installation: Fits 1998-1999 Cadillac DeVille, front disc brakes. This master cylinder does not include mounting hardware, a brake booster, push rod, gasket or seal, or brake pressure switch. Bleed the brake system thoroughly after installation and fill with DOT 3 brake fluid only. Confirm mounting hole spacing and bore requirements match the original unit before service.
Quality Assurance
MPA Electrical manufactures this brake master cylinder using OE sample references and testing protocols to confirm dimensional and functional consistency with original specifications. The result is a new replacement part built for dependable hydraulic performance on Cadillac DeVille brake systems.
| Brand | MPA Electrical |
|---|---|
| Part Number | NM3066 |
| 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 | 1.125 |
| 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 | 0.431 |
| Mounting Bracket Included | No |
| Brake Pressure Switch(s) Included | No |
| Fluid Type | Dot 3 |
| Product Condition | New |
This part fits 2 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1999 | Cadillac | DeVille | N/A | New with front disc brakes |
| 1998 | Cadillac | DeVille | 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.