Dorman M630760 Brake Master Cylinder

Reliable Brake Master Cylinder for Volkswagen Vehicles

The Dorman M630760 Brake Master Cylinder is engineered to restore proper brake hydraulics in select Volkswagen models. Designed with precision, this master cylinder ensures consistent brake fluid pressure for safe and effective braking performance.

• Master cylinder bore diameter: 0.875 inches for accurate fluid displacement
• Constructed from durable aluminum material for corrosion resistance
• Includes reservoir and sensor for integrated brake system monitoring
• Features four outlets with a secondary outlet thread diameter of 10 mm
• Rearward outlet size: M10 x 1.0 with a thread pitch of 1.0 for secure connections

Product Details and Specifications

The Dorman M630760 master cylinder is designed specifically for Volkswagen models including the Cabrio, Corrado, Derby, EuroVan, Golf, Jetta, Passat, and Van. Its aluminum construction provides strength and longevity while resisting corrosion from brake fluid exposure. The 0.875-inch bore diameter ensures precise hydraulic pressure control, critical for consistent brake pedal feel and stopping power. This unit comes complete with an integrated reservoir and sensor, allowing for seamless brake fluid level monitoring and system diagnostics. The master cylinder features four outlets, including a secondary outlet with a 10 mm thread diameter and a rearward outlet sized M10 x 1.0 with a 1.0 thread pitch, ensuring compatibility with factory brake lines and fittings.

Common Applications and Problem Resolution

• Restores brake fluid pressure in Volkswagen Cabrio, Golf, Jetta, and Passat models
• Replaces worn or leaking master cylinders causing soft or spongy brake pedal
• Addresses brake fluid leaks from damaged or corroded master cylinder components
• Resolves brake warning light issues related to faulty brake fluid sensors
• Improves brake system reliability in older Volkswagen EuroVan and Van models

Installation Notes and Tips

Installation of the Dorman M630760 master cylinder requires proper brake system bleeding to remove air and ensure optimal hydraulic performance. Verify compatibility with your specific Volkswagen model and year before installation. Since mounting hardware is not included, retain original fasteners or source appropriate replacements. Handle brake fluid carefully to avoid contamination and damage to painted surfaces.

Quality Assurance and Warranty

Dorman manufactures this brake master cylinder to meet or exceed OEM specifications for fit, form, and function. The aluminum construction and integrated sensor contribute to long-term durability and reliable brake system operation. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in materials and workmanship.