Dorman - First Stop Brake Master Cylinder M390382
Dorman - First Stop Brake Master Cylinder M390382 - view 2
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Dorman - First Stop Brake Master Cylinder M390382
Dorman - First Stop Brake Master Cylinder M390382 - view 2
Dorman - First Stop Brake Master Cylinder M390382 - view 3
Dorman - First Stop Brake Master Cylinder M390382 - view 4

Brake Master Cylinder for 1997-1998 Ford Mustang - Dorman M390382

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$114.99
MPN: M390382
Item Package Quantity: 1
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Dorman - First Stop Brake Master Cylinder P/N:M390382
Dorman - First Stop Brake Master Cylinder P/N:M390382
$114.99

Turn pedal effort into hydraulic braking pressure with the Dorman First Stop M390382 master cylinder for the 1997-1998 Ford Mustang. This new brake master cylinder is a direct-fit replacement for the 1997-1998 Ford Mustang with all engines, one per vehicle. It is precision-engineered to mirror the original master cylinder's design, function and performance.

  • Precise replacement: the aluminum housing is built to match the original part's material for similar performance.
  • Durable design: every rubber component uses a high-quality EPDM compound that resists glycol-based brake fluid.
  • 100% new: made entirely from new, high-quality materials.
  • Strict specifications: made to meet rigorous SAE International standards.

Specifications: 2 outlets; 1.063 in bore diameter; rearward outlet M10 x 1.0; secondary outlet thread M12 x 1.0; primary outlet thread pitch 1 mm. The reservoir and sensor are included. Mounting hardware is not included. Country of origin: Taiwan.

A spongy or slowly sinking brake pedal, or fluid seeping from the cylinder, may mean the master cylinder needs replacing. These symptoms can have other causes, so diagnose the brake system before you replace any parts. Consult the vehicle service information for the correct fasteners and whether they may be reused, and follow its bleeding procedure.

Interchange: 100-2179 · M-81100 · 13-2908 · 10-2908 · 130.61108 · 355-54080
1002179 · M81100 · 132908 · 102908 · 13061108 · 35554080 · 18M804 · M901039 · 13269 · MC252510 · F6ZZ2140A · M2693 · NM2693 · MC390382 · F141704 · MC141704

This part cross-references / interchanges with the following part numbers:

18M804, M901039, 100-2179, M-81100, 13269, 13-2908, 10-2908, 130.61108, MC252510, 355-54080, F6ZZ2140A, M2693, NM2693, MC390382, F141704, MC141704

Frequently Asked Questions

Is this the right master cylinder for a 1997-1998 Ford Mustang?

Yes. It is listed for the 1997-1998 Ford Mustang with all engines, at one per vehicle.

Does it come with a reservoir?

Yes, the reservoir and a sensor are both included. Mounting hardware is not, so consult the vehicle service information for the correct fasteners and whether they may be reused.

What are the outlet thread sizes?

It has 2 outlets: the rearward outlet is M10 x 1.0, the secondary outlet thread is M12 x 1.0, and the primary outlet thread pitch is 1 mm. The bore diameter is 1.063 in.

What are signs a master cylinder may need replacing?

Common signs include a spongy or slowly sinking brake pedal and fluid leaking at the cylinder. These can have other causes, so diagnose the brake system before replacing the master cylinder.

What is this master cylinder made of?

The master cylinder is aluminum. Its rubber components use a high-quality EPDM compound for resistance to glycol-based brake fluid.

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