MPA Electrical NM2218 Brake Master Cylinder

Brake Master Cylinder for GM Trucks and SUV

Restore hydraulic braking performance with this new brake master cylinder from MPA Electrical. Built for 1988-1991 Chevrolet C1500, Chevrolet K1500, GMC C1500, GMC K1500, and GMC Jimmy applications with front disc brakes, this standard replacement is engineered to match OE specifications for consistent pedal response.

MPA Electrical’s New with front disc brakes product line focuses on direct-fit brake hydraulic replacements that are tested against OE samples using controlled procedures. Part number NM2218 is supplied with a reservoir and cap, and it uses DOT 3 brake fluid with a cast iron body for standard replacement service.

Key Features

• Fits 1988-1991 Chevrolet C1500, Chevrolet K1500, GMC C1500, GMC K1500, and GMC Jimmy with front disc brakes
• Part number NM2218
• Standard replacement brake master cylinder
• Cast iron construction
• 1.417 in. master cylinder bore diameter
• Reservoir and master cylinder cap included
• Uses DOT 3 brake fluid
• 2 mounting holes with 0.425 in. mounting hole diameter
• No brake booster, push rod, sensor, gasket, seal, or mounting hardware included

Detailed Description

This brake master cylinder is built for GM light truck and SUV applications that use front disc brakes, including Chevrolet C1500 and K1500 along with GMC C1500, K1500, and Jimmy models from 1988 through 1991. Part number NM2218 is a direct hydraulic replacement for worn or leaking master cylinders that can affect pedal feel and braking consistency.

MPA Electrical uses OE sample data and testing protocols to verify dimensional and functional consistency before release. The cast iron housing, 1.417-inch bore, and included reservoir support dependable brake fluid pressure delivery for everyday street use on the listed vehicles. This part cross-references OE numbers 18013876 and 18013976 for the same application.

What It Helps Fix

• Low or sinking brake pedal caused by internal master cylinder wear
• Brake fluid leaks at the master cylinder body or reservoir area
• Uneven hydraulic pressure that affects braking response
• Soft pedal feel after brake system service
• Loss of braking performance related to a failing hydraulic unit

Installation Notes and Tips

• Verify vehicle fitment by year, make, model, and front disc brake configuration before installation
• Bench bleed the master cylinder before connecting brake lines
• Use clean DOT 3 brake fluid only
• Inspect brake lines, fittings, and booster condition during replacement
• Confirm the mounting hole spacing and bore size match the original unit

Quality Assurance

MPA Electrical tests each unit against OE specifications using proprietary processes and strict protocols to support consistent braking performance out of the box. Part number NM2218 is a new standard replacement brake master cylinder for the listed Chevrolet and GMC applications.