Dorman - First Stop Brake Master Cylinder P/N:M390367

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$159.99
MPN: M390367
Item Package Quantity: 1
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Dorman - First Stop Brake Master Cylinder P/N:M390367
Dorman - First Stop Brake Master Cylinder P/N:M390367
$159.99

Restore firm, confident pedal feel to your Toyota 4Runner with the Dorman - First Stop Brake Master Cylinder M390367. The master cylinder converts the force you apply at the brake pedal into hydraulic pressure, pushing brake fluid through the lines to actuate the brakes. This unit installs as a direct-fit replacement for the 1996-2000 Toyota 4Runner (All engines).

  • 100% new: made entirely of new materials, not remanufactured, for quality and safety.
  • Precise replacement: the aluminum cylinder housing is built to match the casting material of the original part for similar performance.
  • Durable seals: all rubber components use a high-quality EPDM compound for resistance to glycol-based brake fluid.
  • Built to spec: made to meet SAE International standards, with a 1-inch bore and 2 outlets (M10 x 1.0 outlet threads).

Reservoir and sensor are included. Mounting hardware is not included — consult the vehicle service information for the correct fasteners and whether they may be reused. If a worn master cylinder is the cause of a slowly sinking or spongy pedal, this replaces it; diagnose the cause before replacing. Country of origin: China.

Interchange: 18M796 · 83-22727 · 8322727 · M901029 · 100-1657 · 1001657 · M-56727 · M56727 · 072-9170 · 0729170 · 13216 · 13-2775 · 132775 · 11-2775 · 112775 · 130.44727 · 131.44727 · MC500380 · 355-76130 · 35576130 · M55091 · NM55091 · MC390367 · 472013D380 · F131348 · F131914 · MC131348 · MC131914. Manufacturer part number M390367.

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

18M796, 83-22727, M901029, 100-1657, M-56727, 072-9170, 13216, 13-2775, 11-2775, 130.44727, 131.44727, MC500380, 355-76130, M55091, NM55091, MC390367, 472013D380, F131348, F131914, MC131348, MC131914

Frequently Asked Questions

What vehicles does this brake master cylinder fit?

It is a direct-fit replacement for the 1996-2000 Toyota 4Runner (All engines). Check the Buyer's Guide tab to confirm fitment for your vehicle.

What does a brake master cylinder do?

It converts the force from the brake pedal into hydraulic pressure, pushing brake fluid through the lines to actuate the brakes.

Does this unit include a reservoir and sensor?

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

What are its key specifications?

It has an aluminum housing, a 1-inch bore, 2 outlets with M10 x 1.0 outlet threads, and EPDM rubber components resistant to glycol-based brake fluid. It is 100% new, not remanufactured.

What are signs the master cylinder may need replacing?

Signs may include a brake pedal that slowly sinks to the floor, a spongy pedal, or brake fluid leakage. Diagnose the cause first, since these symptoms can have other sources.