MPA Electrical NM1737 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. Built for vehicles equipped with front disc brakes, Part Number NM1737 is a standard replacement unit for select Buick, Chevrolet, Oldsmobile, and Pontiac models from 1978-1980.

MPA Electrical uses OE sample data and testing protocols to verify each master cylinder against OE specifications before it leaves the factory. This cast iron unit includes the reservoir and cap, uses DOT 3 brake fluid, and features a 0.875-inch bore for the specified applications.

Key Features

• Brand: MPA Electrical
• Part Number: NM1737
• Standard replacement brake master cylinder
• Cast iron construction
• 0.875-inch master cylinder bore diameter
• Reservoir and master cylinder cap included
• Designed for vehicles with front disc brakes
• Uses DOT 3 brake fluid
• Two mounting holes with 0.405-inch mounting hole diameter

Product Details

NM1737 is a brake master cylinder for classic GM A-body and G-body applications, including 1978-1980 Oldsmobile Cutlass, Cutlass Calais, Cutlass Salon, and Cutlass Supreme; 1980 Oldsmobile Cutlass Cruiser; 1978-1980 Pontiac LeMans; 1978-1979 Buick Century and Regal; 1978-1979 Chevrolet Malibu and Monte Carlo; 1978-1979 Pontiac Grand Am and Grand LeMans; and 1979 Pontiac Grand Prix. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Issues This Part Can Address

• Low or inconsistent brake pedal pressure
• Internal hydraulic leakage in the master cylinder
• Brake fluid loss at the master cylinder body
• Uneven braking response after master cylinder wear
• Reduced stopping performance in front disc brake systems

Installation Notes and Tips

Verify bore size, mounting hole spacing, and brake system configuration before installation. Bench bleed the master cylinder before connecting brake lines, then fill with DOT 3 brake fluid and bleed the system thoroughly to remove trapped air. Mounting hardware, push rod, brake booster, seals, and brake pressure switch are not included.

Quality Assurance

MPA Electrical tests each brake master cylinder against OE specifications using proprietary processes and strict inspection protocols. That process helps ensure consistent braking performance right out of the box for the listed applications.