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Dorman - First Stop Brake Master Cylinder P/N:M390217
$135.99
Generate the hydraulic pressure that operates the brakes with the Dorman First Stop Brake Master Cylinder M390217. A brake master cylinder converts brake-pedal force into the hydraulic pressure that pushes fluid out to the wheel brakes, and this one drops in as a direct-fit replacement for the 1994-1995 Ford Mustang (All engines). Dorman precision-engineers it to match the design, function, and performance of the original unit on the listed applications.
- Aluminum housing: constructed to match the casting material of the original part for similar performance.
- Durable rubber components: made from a high-quality EPDM compound for resistance to glycol-based brake fluid.
- 100% new: built entirely from new materials — not remanufactured — and made to meet rigorous SAE International standards.
- Ready to plumb: two outlets, a 0.938 in bore, an included reservoir, an M12 x 1.0 rearward outlet, and an M10 x 1.0 secondary outlet.
Signs the original master cylinder may need replacing include a brake pedal that slowly sinks toward the floor, a low or spongy pedal, or fluid loss at the cylinder. If a failed master cylinder is the cause, this unit replaces it. Mounting hardware and a sensor are not included; consult the vehicle service information for the correct fasteners and whether they may be reused. Country of origin: Taiwan.
Interchange: 18M702 · 83-34063 · 8334063 · M900920 · 100-2135 · 1002135 · M-81063 · M81063 · 13004 · 13-2854 · 132854 · 10-2854 · 102854 · 130.61063 · MC510030 · 355-54048 · 35554048 · F4ZZ2140B · M3043 · NM3004 · NM3043 · MC390217 · F131197 · MC131197 · Manufacturer part number M390217 · Part Eazy SKU M390217
This part cross-references / interchanges with the following part numbers:
18M702, 83-34063, M900920, 100-2135, M-81063, 13004, 13-2854, 10-2854, 130.61063, MC510030, 355-54048, F4ZZ2140B, M3043, NM3004, NM3043, MC390217, F131197, MC131197
Frequently Asked Questions
What vehicle does this master cylinder fit?
It's a direct-fit replacement for the 1994-1995 Ford Mustang (All engines). Check the Buyer's Guide tab to confirm it matches your vehicle.
What does a brake master cylinder do?
It converts the force from your brake pedal into hydraulic pressure, pushing brake fluid through the lines out to the wheel brakes.
Is a reservoir included?
Yes, the reservoir is included. Mounting hardware and a sensor are not included with this master cylinder.
What are the signs my master cylinder may need replacing?
A pedal that slowly sinks toward the floor, a low or spongy pedal, or brake fluid leaking at the cylinder. Diagnose the cause before replacing.
Is this unit new or remanufactured?
It's 100% new — built entirely from new materials, not remanufactured — and made to meet rigorous SAE International standards.
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Dorman
Dorman - First Stop Brake Master Cylinder P/N:M390217
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