Centric 130.34020 Brake Master Cylinder

Overview of Centric Premium Brake Master Cylinder 130.34020

The Centric Premium Brake Master Cylinder 130.34020 is engineered for reliable brake hydraulics performance in select BMW models. Designed with precision, this brake master cylinder supports consistent braking pressure and durability for vehicles like the BMW 525i, 528i, 530i, 540i, 740i, 740iL, 750iL, and X5.

• Aluminum master cylinder material for strength and corrosion resistance
• Plastic removable reservoir style (reservoir not included)
• Stepped bore design with primary bore diameter of 25 mm and secondary bore diameter of 20 mm
• Two mounting holes for secure installation
• Includes gasket or seal for proper sealing
• Primary and secondary outlet thread sizes M10-1.00 and M12-1.00 with bubble flare types
• Compatible with brake systems requiring a master cylinder without booster or reservoir

About Centric Premium Brake Master Cylinders

The Centric Premium Brake Master Cylinders line focuses on delivering high-quality replacement parts that meet or exceed OEM specifications. This product line emphasizes durable materials such as aluminum for the master cylinder body and incorporates design features like stepped bores to optimize hydraulic performance. The 130.34020 model is part of this line, providing a reliable solution for BMW brake hydraulic repairs where a plastic reservoir is used separately.

Detailed Product Description

This Centric Premium Brake Master Cylinder 130.34020 features a stepped bore design with a primary bore diameter of 25 mm (0.984 inches) and a secondary bore diameter of 20 mm (0.787 inches), ensuring proper hydraulic pressure distribution. The master cylinder body is constructed from aluminum, offering resistance to corrosion and wear. The plastic reservoir is removable but not included with this part, allowing compatibility with existing reservoir setups. The unit includes a gasket or seal to maintain system integrity and prevent leaks. It has two mounting holes for secure attachment and does not include mounting hardware, brake booster, push rod, or bleeder hoses. The primary and secondary outlet ports have bubble flare types with thread sizes M10-1.00 and M12-1.00 respectively, suitable for standard brake line connections.

Compatible Vehicles and Applications

• BMW 525i
• BMW 528i
• BMW 530i
• BMW 540i
• BMW 740i and 740iL
• BMW 750iL
• BMW X5

This master cylinder is designed for brake hydraulic systems in these BMW models where the original equipment matches the specifications of part number 130.34020.

Common Issues Addressed by This Master Cylinder

• Brake pedal sinking or sponginess due to master cylinder wear
• Brake fluid leaks around the master cylinder seals
• Reduced braking efficiency from internal bore damage
• Inconsistent brake pressure affecting vehicle safety
• Replacement of a faulty or damaged master cylinder in BMW brake systems

Installation Notes and Tips

• Ensure compatibility with your BMW model and verify part number 130.34020 before installation
• Use proper brake fluid and bleed the brake system thoroughly after installation
• Check that the plastic reservoir is compatible and properly mounted, as it is not included
• Mounting hardware is not included; retain original hardware or source appropriate replacements
• Inspect all brake lines and fittings for wear or damage during installation

Quality Assurance and Warranty

Centric Premium Brake Master Cylinders are manufactured to meet OEM standards for fit, form, and function. This part undergoes rigorous quality control to ensure durability and reliable performance in brake hydraulic systems. Warranty coverage details should be confirmed with the product provider or manufacturer.