MPA Electrical M3068 Brake Master Cylinder

Brake Master Cylinder for Front Disc Brake Applications

The MPA Electrical M3068 remanufactured brake master cylinder is built for 1998-2000 Chevrolet Blazer, Chevrolet S10, GMC Jimmy, GMC Sonoma, Isuzu Hombre, and Oldsmobile Bravada models with front disc brakes. It is a standard replacement brake hydraulic component engineered to restore consistent pedal response and braking performance.

Using a 1-inch bore diameter and aluminum construction, this master cylinder is remanufactured to OE specifications and tested against strict protocols for reliable operation right out of the box. The M3068 is supplied as a bare master cylinder for vehicles that reuse existing reservoir, cap, booster, and related components.

Key Features

• Remanufactured brake master cylinder for front disc brake applications
• 1-inch master cylinder bore diameter
• Aluminum master cylinder body
• Standard replacement grade
• Uses DOT 3 brake fluid
• 2 mounting holes with 0.415-inch mounting hole diameter
• No reservoir, cap, booster, sensor, or push rod included
• Cross-reference part number: 18026274

Product Details

MPA Electrical M3068 is a reman brake master cylinder designed for direct replacement in select GM and Isuzu platforms with front disc brakes. The remanufacturing process uses OE sample data and testing procedures to verify performance against original specifications, helping maintain proper hydraulic pressure for the braking system. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Compatible With 1998-2000 Chevrolet Blazer, 1998-2000 Chevrolet S10, 1998-2000 GMC Jimmy, 1998-2000 GMC Sonoma, 1998-2000 Isuzu Hombre, and 1998-2000 Oldsmobile Bravada, all with front disc brakes. Search terms such as Chevrolet Blazer brake master cylinder M3068, GMC Sonoma master cylinder replacement, and 1998-2000 S10 brake hydraulics point to this application.

Common Problems This Part Addresses

• Low or inconsistent brake pedal feel
• Internal hydraulic leakage in the master cylinder
• Brake fluid loss at the master cylinder body
• Reduced braking response from worn hydraulic seals
• Need for a direct replacement on front disc brake vehicles

Installation Notes and Tips

Before installation, verify the vehicle uses front disc brakes and confirm bore size, mounting hole spacing, and hydraulic line connections match the original unit. Transfer any reusable reservoir, cap, and related components from the existing assembly if required, since they are not included with this part. Bleed the brake system thoroughly after installation and use only DOT 3 brake fluid.

Quality Assurance

Each MPA Electrical remanufactured master cylinder is tested against OE specifications using controlled inspection and validation processes to support consistent braking performance after installation. The M3068 is built as a standard replacement brake hydraulic component for dependable service in the listed Chevrolet, GMC, Isuzu, and Oldsmobile applications.