Dorman - First Stop Brake Master Cylinder P/N:M630623
Turn each press of the brake pedal into hydraulic pressure for the brake lines with the Dorman First Stop Brake Master Cylinder M96382, a brand-new 1973-1979 Volkswagen Super Beetle master cylinder. It is a direct-fit replacement for the 1973-1979 Volkswagen Super Beetle with all engines, with one used per vehicle.
Dorman precision-engineered this unit to replicate the original master cylinder's design, function and performance on the listed application. It uses new, high-quality materials for a safe, durable replacement.
Specifications: 0.75 in bore diameter and four outlets. The rearward and secondary outlet threads are M10 x 1.0, and the primary outlet thread pitch is 1 mm. The reservoir, sensor and mounting hardware are not included; consult the vehicle service information for the correct fasteners and whether they may be reused. Country of origin: China.
Signs this part may need replacing include a soft or sinking pedal, fluid seeping from the cylinder, or a steadily dropping fluid level. If a worn master cylinder is the cause, this unit replaces it. Diagnose the system first, and bleed the brakes as the service procedure directs.
Interchange: 83-94103 · 100-1121 · M-20103 · 072-8014 · 072-8015 · 13-1551 · 11-1551 · 130.33503 · 131.33503 · 355-74060
8394103 · 1001121 · M20103 · 0728014 · 0728015 · 131551 · 111551 · 13033503 · 13133503 · 35574060 · 18M99 · M900280 · 11551 · MC252430 · NM51551 · MC39133 · 113611015BH · 171611015BH · F141105 · F96382 · MC141105 · MC96382
This part cross-references / interchanges with the following part numbers:
Will this master cylinder fit my 1973-1979 Volkswagen Super Beetle?
It is listed for the 1973-1979 Volkswagen Super Beetle with all engines. One master cylinder is used per vehicle.
Does it come with a reservoir or mounting hardware?
No. The package holds the master cylinder only, without the reservoir, sensor or mounting hardware, so consult the vehicle service information for the correct fasteners and whether they may be reused.
What are the bore size and outlet threads?
The bore diameter is 0.75 in, and the unit has four outlets. The rearward and secondary outlet threads are M10 x 1.0, with a 1 mm primary outlet thread pitch.
What signs may mean my master cylinder needs replacing?
A soft or sinking pedal, fluid seeping from the cylinder, or a steadily dropping fluid level may indicate a worn master cylinder. Diagnose the brake system before replacing it.
What materials is this master cylinder made from?
The housing is cast iron to match the casting material of the original. All rubber components are made of a high-quality EPDM compound designed to resist glycol-based brake fluid.
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.