MPA Electrical NM1902 Brake Master Cylinder

Brake Master Cylinder for Front Disc Brake Applications

Restore consistent brake pedal response with this new brake master cylinder from MPA Electrical. Part number NM1902 is a standard replacement unit for select Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac vehicles equipped with front disc brakes.

Built with an integral reservoir and cast iron construction, this master cylinder is specified with a 1.063 bore diameter and uses DOT 3 brake fluid. It includes a master cylinder cap and is tested to OE specifications for proper braking performance right out of the box.

Key Features

• MPA Electrical NM1902 brake master cylinder
• Standard replacement grade for brake hydraulic service
• Cast iron master cylinder body with integral reservoir
• 1.063 bore diameter for the listed applications
• Includes master cylinder cap
• Uses DOT 3 brake fluid
• New condition

Detailed Product Information

MPA Electrical’s New with front disc brakes product line focuses on direct-fit brake hydraulic replacement parts for vehicles that need OE-style restoration. This NM1902 master cylinder is engineered and tested against OE specifications using sample-based validation and controlled inspection processes, helping maintain the pedal feel and hydraulic performance expected in the original braking system. It is a direct replacement choice for 1982-1985 Buick Regal and Riviera, 1982-1985 Cadillac Eldorado and Seville, 1982-1985 Oldsmobile Cutlass Supreme and Toronado, and other listed GM applications.

This part cross-references Monroe Shocks & Struts (e.g., 18014903) for the same application.

What This Part Helps Address

• Low or inconsistent brake pedal response
• Internal hydraulic leakage in the master cylinder
• Brake fluid loss at the master cylinder assembly
• Reduced braking performance in front disc brake systems
• Brake system wear related to an aging hydraulic unit

Installation Notes and Fitment

Compatible With 1982-1985 Buick Regal, 1982-1985 Buick Riviera, 1982-1985 Cadillac Eldorado, 1982-1985 Cadillac Seville, 1985 Oldsmobile Cutlass Salon, 1982-1985 Oldsmobile Cutlass Supreme, 1982-1985 Oldsmobile Toronado, 1983-1984 Chevrolet El Camino, 1982-1984 Chevrolet Monte Carlo, 1982-1984 Oldsmobile Cutlass Calais, 1983-1984 Pontiac Acadian, 1982-1984 Pontiac Bonneville, 1982-1984 Pontiac Grand Prix, 1982-1983 Chevrolet Malibu, 1982-1983 Oldsmobile Cutlass Cruiser, and 1982-1983 Pontiac Grand LeMans, all with front disc brakes.

Before installation, confirm bore size, mounting hole diameter, reservoir style, and brake system configuration against the original part. Mounting hardware, gasket or seal, brake booster, push rod, sensor, and brake pressure switch are not included unless already present on the vehicle or separately sourced.

Quality Assurance

Each MPA Electrical master cylinder is checked against OE specifications using proprietary testing and strict inspection protocols to support consistent hydraulic performance. NM1902 is a new replacement part built for brake system restoration on the listed GM applications.