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Dorman - First Stop Brake Master Cylinder P/N:M6086
$125.99
Turn brake-pedal effort into the hydraulic pressure that operates your brake circuits with the Dorman - First Stop Brake Master Cylinder M6086. It drops in as a direct-fit replacement for the listed classic applications, and Dorman engineers it to match the design, function, and performance of the original master cylinder for these vehicles.
The master cylinder sits at the pedal end of the hydraulic system: pressing the pedal drives its internal pistons to pressurize brake fluid and send it to the wheel brakes. If a failed master cylinder is the cause of a slowly sinking pedal, a spongy feel, or a fluid leak, this unit replaces it.
- Cast iron housing: built to match the casting material of the original part for similar performance.
- EPDM rubber components: made from a high-quality EPDM compound for resistance to glycol-based brake fluid.
- 100% new: made entirely from new materials, not remanufactured, and made to meet rigorous SAE International standards.
- Key specs: 1 in bore diameter, a single outlet, and a 1/2-20 rearward outlet size.
The package contains the master cylinder only — no reservoir, mounting hardware, or sensor is included. Consult the vehicle service information for the correct fasteners and whether they may be reused. Country of origin: China.
Fitment: 1939-1942 and 1946 Studebaker Champion [All]; 1941-1942 Nash Ambassador and 1946-1948 Nash Ambassador [All]; 1941-1942 Nash Ambassador 600 [All]; 1946-1948 Nash 600 [All]; 1946-1951 Jeep Willys [All]; 1950-1954 Nash Statesman [All]; 1950-1960 Volkswagen Beetle [All]; 1950-1960 Volkswagen Transporter [All]; 1955-1960 Volkswagen Karmann Ghia [All]. See the Buyer's Guide tab for the full list.
Interchange: M900019 · 100-2060 · 1002060 · 13-57580 · 1357580 · 10-57580 · 1057580 · 130.58002 · 131.58002 · 115964 · 3106509 · 3216544 · 637423 · 8123176 · A556 · MC511190 · 355-42001 · 35542001 · 5472938 · MC6086 · F6086 · Manufacturer part number M6086.
This part cross-references / interchanges with the following part numbers:
M900019, 100-2060, 13-57580, 10-57580, 130.58002, 131.58002, 115964, 3106509, 3216544, 637423, 8123176, A556, MC511190, 355-42001, 5472938, MC6086, F6086
Frequently Asked Questions
What does this master cylinder do?
It converts brake-pedal effort into hydraulic pressure, pushing brake fluid through its internal pistons out to the wheel brakes. It is the pressure source at the pedal end of the hydraulic brake system.
Does it include a reservoir, mounting hardware, or a sensor?
No. The package contains the master cylinder only — no reservoir, mounting hardware, or sensor is included. Consult the vehicle service information for the correct fasteners and whether they may be reused.
What are the bore and outlet specs?
It has a 1 in bore diameter, a single outlet, and a 1/2-20 rearward outlet size. The housing is cast iron, built to match the casting material of the original part.
Is this a new or remanufactured master cylinder?
It is 100% new, made entirely from new materials and not remanufactured. It is made to meet rigorous SAE International standards, with EPDM rubber components for resistance to glycol-based brake fluid.
What vehicles does it fit?
It is a direct-fit replacement for applications including the 1946-1951 Jeep Willys, 1950-1960 Volkswagen Beetle, Transporter, and Karmann Ghia, plus several Nash and Studebaker models. See the Buyer's Guide tab for the full list.
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Dorman - First Stop Brake Master Cylinder P/N:M6086
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