Dorman - First Stop Brake Master Cylinder P/N:M630623
Turn pedal effort into hydraulic brake pressure with the Dorman First Stop M630760, a brand-new Golf master cylinder. Precision-engineered to mirror the original master cylinder's design, function and performance, it is a direct-fit replacement for the 1990-1994 Volkswagen Corrado, 1992-1997 Volkswagen Passat, 1993-1999 Volkswagen Jetta, 1993-1995 Volkswagen EuroVan, 1995-1999 Volkswagen Golf, 1995-1999 Volkswagen Cabrio, 1999-2009 Volkswagen Derby and 2006-2009 Volkswagen Van, all engines.
Specifications: The master cylinder is aluminum, with a 0.875 in. bore diameter and 4 outlets. The rearward and secondary outlet threads are M10 x 1.0, and the primary outlet thread pitch is 1 mm. The reservoir and a sensor are included; mounting hardware is not. Country of origin: China.
Signs this part may need replacing include a soft or sinking brake pedal, brake fluid leaking at the master cylinder, and a lit brake warning light. Other brake components can cause similar symptoms, so diagnose the system before replacing anything. Install and bleed it per the vehicle service procedure. Consult the vehicle service information for the correct fasteners and whether they may be reused.
Interchange: 100-2999 · 11-2514
M52845 · 357611019B · F140064 · MC140064 · 1002999 · 112514
This part cross-references / interchanges with the following part numbers:
Will this Jetta master cylinder fit my Volkswagen?
M630760 is listed for the 1993-1999 Volkswagen Jetta (all engines). It also fits the Volkswagen Golf, Cabrio, Passat, Corrado, EuroVan, Derby and Van in the years shown in the fitment list.
Does it come with a reservoir?
Yes, the reservoir and a sensor are included. Mounting hardware is not, so consult the vehicle service information for the correct fasteners and whether they may be reused.
What is this master cylinder made of?
The master cylinder is aluminum. All of its rubber components use a high-quality EPDM compound that resists glycol-based brake fluid.
What are the bore and outlet specifications?
It has a 0.875 in. bore diameter and 4 outlets. The rearward and secondary outlet threads are M10 x 1.0, and the primary outlet thread pitch is 1 mm.
What are signs a master cylinder may need replacing?
A soft or sinking pedal, fluid leaks at the cylinder, or a brake warning light can be signs of a master cylinder problem. Other brake parts cause similar symptoms, so diagnose before replacing.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.