
MPA Electrical NM4109 Brake Master Cylinder
Brake Master Cylinder for Silverado and Sierra
Restore consistent brake pedal feel with this new brake master cylinder from MPA Electrical. Built as a standard replacement with a 1.125-inch bore, aluminum body, plastic reservoir, and DOT 3 fluid compatibility, it is engineered for direct service on select Chevrolet Silverado 1500 and GMC Sierra 1500 applications.
MPA Electrical’s New with front disc brakes product line focuses on replacement brake hydraulics that are tested against OE specifications using sample-based validation and controlled inspection processes. This helps deliver a master cylinder that is ready for installation and built to match the original braking system requirements.
Key Features
- Brand: MPA Electrical
- Part number: NM4109
- Brake master cylinder, standard replacement grade
- 1.125-inch master cylinder bore diameter
- Aluminum master cylinder body with plastic reservoir
- Reservoir included with cap and gasket/seal included
- Designed for DOT 3 brake fluid
- Two mounting holes with 0.435-inch mounting hole diameter
- New condition
Detailed Description
This MPA Electrical brake master cylinder is built for 2005-2006 Chevrolet Silverado 1500, 2005-2006 GMC Sierra 1500, 2007 Chevrolet Silverado 1500 Classic, and 2007 GMC Sierra 1500 Classic with front disc brakes. It is a direct-fit hydraulic replacement for vehicles that need renewed master cylinder performance, stable fluid pressure, and consistent pedal response. This part cross-references 15087877 and 15183822 for the same application.
What It Helps Address
- Low or inconsistent brake pedal feel
- Internal master cylinder seal wear
- Brake fluid leakage at the master cylinder
- Reduced hydraulic pressure in the braking system
- Brake performance loss on Silverado 1500 and Sierra 1500 trucks with front disc brakes
Installation Notes and Tips
- Verify vehicle application by year, make, model, and front disc brake configuration before installation.
- Bench bleed the master cylinder before connecting brake lines to help remove trapped air.
- Use clean DOT 3 brake fluid and inspect the hydraulic system for contamination or leaks.
- Mounting hardware, brake booster, push rod, sensor, and brake pressure switch are not included.
Quality Assurance
MPA Electrical tests each unit against OE specifications using proprietary processes and strict inspection protocols to support consistent braking performance out of the box. Part number NM4109 is built as a standard replacement for select Chevrolet Silverado and GMC Sierra brake hydraulic service.
MPA Electrical NM4109 Brake Master Cylinder
Brake Master Cylinder for Silverado and Sierra
Restore consistent brake pedal feel with this new brake master cylinder from MPA Electrical. Built as a standard replacement with a 1.125-inch bore, aluminum body, plastic reservoir, and DOT 3 fluid compatibility, it is engineered for direct service on select Chevrolet Silverado 1500 and GMC Sierra 1500 applications.
MPA Electrical’s New with front disc brakes product line focuses on replacement brake hydraulics that are tested against OE specifications using sample-based validation and controlled inspection processes. This helps deliver a master cylinder that is ready for installation and built to match the original braking system requirements.
Key Features
- Brand: MPA Electrical
- Part number: NM4109
- Brake master cylinder, standard replacement grade
- 1.125-inch master cylinder bore diameter
- Aluminum master cylinder body with plastic reservoir
- Reservoir included with cap and gasket/seal included
- Designed for DOT 3 brake fluid
- Two mounting holes with 0.435-inch mounting hole diameter
- New condition
Detailed Description
This MPA Electrical brake master cylinder is built for 2005-2006 Chevrolet Silverado 1500, 2005-2006 GMC Sierra 1500, 2007 Chevrolet Silverado 1500 Classic, and 2007 GMC Sierra 1500 Classic with front disc brakes. It is a direct-fit hydraulic replacement for vehicles that need renewed master cylinder performance, stable fluid pressure, and consistent pedal response. This part cross-references 15087877 and 15183822 for the same application.
What It Helps Address
- Low or inconsistent brake pedal feel
- Internal master cylinder seal wear
- Brake fluid leakage at the master cylinder
- Reduced hydraulic pressure in the braking system
- Brake performance loss on Silverado 1500 and Sierra 1500 trucks with front disc brakes
Installation Notes and Tips
- Verify vehicle application by year, make, model, and front disc brake configuration before installation.
- Bench bleed the master cylinder before connecting brake lines to help remove trapped air.
- Use clean DOT 3 brake fluid and inspect the hydraulic system for contamination or leaks.
- Mounting hardware, brake booster, push rod, sensor, and brake pressure switch are not included.
Quality Assurance
MPA Electrical tests each unit against OE specifications using proprietary processes and strict inspection protocols to support consistent braking performance out of the box. Part number NM4109 is built as a standard replacement for select Chevrolet Silverado and GMC Sierra brake hydraulic service.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Brake Master Cylinder for Silverado and Sierra
Restore consistent brake pedal feel with this new brake master cylinder from MPA Electrical. Built as a standard replacement with a 1.125-inch bore, aluminum body, plastic reservoir, and DOT 3 fluid compatibility, it is engineered for direct service on select Chevrolet Silverado 1500 and GMC Sierra 1500 applications.
MPA Electrical’s New with front disc brakes product line focuses on replacement brake hydraulics that are tested against OE specifications using sample-based validation and controlled inspection processes. This helps deliver a master cylinder that is ready for installation and built to match the original braking system requirements.
Key Features
- Brand: MPA Electrical
- Part number: NM4109
- Brake master cylinder, standard replacement grade
- 1.125-inch master cylinder bore diameter
- Aluminum master cylinder body with plastic reservoir
- Reservoir included with cap and gasket/seal included
- Designed for DOT 3 brake fluid
- Two mounting holes with 0.435-inch mounting hole diameter
- New condition
Detailed Description
This MPA Electrical brake master cylinder is built for 2005-2006 Chevrolet Silverado 1500, 2005-2006 GMC Sierra 1500, 2007 Chevrolet Silverado 1500 Classic, and 2007 GMC Sierra 1500 Classic with front disc brakes. It is a direct-fit hydraulic replacement for vehicles that need renewed master cylinder performance, stable fluid pressure, and consistent pedal response. This part cross-references 15087877 and 15183822 for the same application.
What It Helps Address
- Low or inconsistent brake pedal feel
- Internal master cylinder seal wear
- Brake fluid leakage at the master cylinder
- Reduced hydraulic pressure in the braking system
- Brake performance loss on Silverado 1500 and Sierra 1500 trucks with front disc brakes
Installation Notes and Tips
- Verify vehicle application by year, make, model, and front disc brake configuration before installation.
- Bench bleed the master cylinder before connecting brake lines to help remove trapped air.
- Use clean DOT 3 brake fluid and inspect the hydraulic system for contamination or leaks.
- Mounting hardware, brake booster, push rod, sensor, and brake pressure switch are not included.
Quality Assurance
MPA Electrical tests each unit against OE specifications using proprietary processes and strict inspection protocols to support consistent braking performance out of the box. Part number NM4109 is built as a standard replacement for select Chevrolet Silverado and GMC Sierra brake hydraulic service.












