Brake Master Cylinder for 2001-2004 Toyota Tacoma - Dorman M630118

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$178.99
MPN: M630118
Item Package Quantity: 1
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Dorman - First Stop Brake Master Cylinder P/N:M630118
Dorman - First Stop Brake Master Cylinder P/N:M630118
$178.99

If a worn or leaking unit is behind a soft or sinking brake pedal, the Dorman First Stop Brake Master Cylinder M630118 replaces it with a brand-new 2001-2004 Toyota Tacoma master cylinder. It converts pedal force into hydraulic pressure and sends that pressure into the brake lines through two outlets. Precision-engineered to replicate the original master cylinder's design, function, and performance, it is a direct-fit replacement for the 2001-2004 Toyota Tacoma with all engines.

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

Specifications: Bore diameter: 0.813 in; number of outlets: 2; rearward outlet size: M10 x 1.0; secondary outlet thread diameter: M10 x 1.0; primary outlet thread pitch: 1 mm; reservoir included; sensor included; mounting hardware not included. Country of origin: Taiwan.

Signs a master cylinder may need replacing include a pedal that slowly sinks under steady foot pressure, or brake fluid leaking from the unit. Diagnose the cause first. After installation, bleed the brake system as directed by the service procedure.

Interchange: 100-2991 · 13-2968 · 11-2968 · 130.44729 · 131.44729
13871 · M55251 · NM55251 · MC390824 · 4720104060 · F118404 · F141596 · MC118404 · MC141596 · 1002991 · 132968 · 112968 · 13044729 · 13144729

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

100-2991, 13871, 13-2968, 11-2968, 130.44729, 131.44729, M55251, NM55251, MC390824, 4720104060, F118404, F141596, MC118404, MC141596

Frequently Asked Questions

Does the M630118 come with a reservoir?

Yes. The Dorman M630118 includes the reservoir and a sensor. Mounting hardware is not included, so consult the vehicle service information for the correct fasteners.

Which vehicles does this master cylinder fit?

It is listed for the 2001-2004 Toyota Tacoma with all engines, one per vehicle.

Is this a clutch master cylinder?

No. The M630118 is a brake master cylinder that supplies hydraulic pressure to the brake system. It is not designed for the clutch hydraulic system.

What are the bore and outlet thread sizes?

The bore diameter is 0.813 in, and there are two outlets. The rearward outlet size and secondary outlet thread diameter are both M10 x 1.0, with a 1 mm primary outlet thread pitch.

What are the rubber components made of?

They are made from a high-quality EPDM compound for resistance to glycol-based brake fluid. Use the brake fluid type specified in your vehicle's service information.