HomeBrake > Brake HydraulicsDorman M390149 Brake Master Cylinder
Part #: M390149

Dorman M390149 Brake Master Cylinder

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6 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Toyota, T100
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Overview of the Dorman Brake Master Cylinder for Toyota T100

The Dorman M390149 Brake Master Cylinder is designed specifically for Toyota T100 models, providing reliable brake hydraulics performance. This master cylinder features an aluminum construction and includes a reservoir and sensor to ensure proper brake fluid management and system monitoring.

  • Compatible with Toyota T100 vehicles
  • Master cylinder bore diameter: 1.063 inches
  • Constructed from durable aluminum material
  • Includes reservoir and sensor for enhanced functionality
  • Two outlets with rearward outlet size M10 x 1.0 and thread pitch 1.0
  • Secondary outlet thread diameter: 10 mm
  • Mounting hardware not included

Detailed Product Description

The Dorman M390149 brake master cylinder is engineered to meet the specific hydraulic requirements of the Toyota T100. Its aluminum body offers corrosion resistance and strength, ensuring long-term durability under demanding braking conditions. The included reservoir allows for proper brake fluid storage, while the integrated sensor provides real-time feedback to the vehicle’s brake system for safety and performance monitoring. With a bore diameter of 1.063 inches, this master cylinder is designed to deliver consistent hydraulic pressure to the brake calipers or wheel cylinders through its two outlets. The rearward outlet features an M10 x 1.0 thread pitch, compatible with standard brake line fittings for the Toyota T100.

Common Applications and Problem Resolution

  • Restores proper brake fluid pressure in Toyota T100 brake systems
  • Replaces worn or leaking master cylinders causing brake pedal issues
  • Addresses brake fluid reservoir leaks or sensor malfunctions
  • Improves brake system responsiveness and safety
  • Solves issues related to inconsistent hydraulic pressure delivery

Installation Notes and Tips

  • Ensure compatibility with Toyota T100 before installation
  • Brake system should be properly bled after installation to remove air
  • Mounting hardware is not included; reuse existing hardware or source separately
  • Handle brake fluid carefully to avoid contamination and damage to painted surfaces
  • Verify sensor connections for proper brake system communication

Quality Assurance and Warranty Information

Dorman manufactures the M390149 brake master cylinder to meet or exceed OEM specifications for the Toyota T100. The aluminum construction and integrated sensor are tested for durability and performance. While specific warranty details are not provided here, Dorman products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.

BrandDorman
Part NumberM390149
Master Cylinder Bore Diameter1.063
Master Cylinder MaterialAluminum
Mounting Hardware IncludedNo
Number of Outlets2
Package ContentsMaster Cylinder
Rearward Outlet SizeM10 X 1.0
Reservoir IncludedYes
Secondary Outlet Thread Diameter10
Sensor IncludedYes
Thread Pitch1.0

This part fits 6 vehicles. Search below:

YearMakeModelPositionNotes
1998ToyotaT100N/ABore: 1.0625 In.; 1 Ton
1997ToyotaT100N/ABore: 1.0625 In.; 1 Ton
1996ToyotaT100N/ABore: 1.0625 In.; 1 Ton
1995ToyotaT100N/ABore: 1.0625 In.; 1 Ton
1994ToyotaT100N/ABore: 1.0625 In.; 1 Ton
1993ToyotaT100N/ABore: 1.0625 In.; 1 Ton

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

11-27101293213-2710130.4472118M659472013402083-22721F129466M-56721M52710M900870MC390149MC503140

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.