Dorman - First Stop Brake Master Cylinder M630161
Dorman - First Stop Brake Master Cylinder M630161 - view 2
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Dorman - First Stop Brake Master Cylinder M630161
Dorman - First Stop Brake Master Cylinder M630161 - view 2
Dorman - First Stop Brake Master Cylinder M630161 - view 3
Dorman - First Stop Brake Master Cylinder M630161 - view 4

Brake Master Cylinder for 2002-2005 Jeep Liberty - Dorman M630161

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$118.99
MPN: M630161
Item Package Quantity: 1
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Dorman - First Stop Brake Master Cylinder P/N:M630161
Dorman - First Stop Brake Master Cylinder P/N:M630161
$118.99

Convert pedal effort into hydraulic brake pressure with the Dorman First Stop 2002-2005 Jeep Liberty master cylinder, part number M630161. It is a direct-fit replacement for the 2002-2005 Jeep Liberty (all engines). It is precision-engineered to match the original master cylinder's design, function, and performance on the listed applications.

  • Precise replacement: The aluminum cylinder housing is designed 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 of new, high-quality materials.
  • Strict specifications: Built to meet rigorous SAE International standards.

Specifications:

  • Material: aluminum
  • Number of outlets: 2
  • Bore diameter: 1.063 in
  • Secondary outlet thread diameter: M10 x 1.0
  • Rearward outlet size: M10 x 1.0
  • Primary outlet thread pitch: 1 mm
  • Reservoir included: yes
  • Sensor included: yes
  • Mounting hardware: not included
  • Package contents: master cylinder
  • Country of origin: China

Signs that a master cylinder may need replacing include a soft or sinking brake pedal, brake fluid leaking at the cylinder or reservoir, or an illuminated brake warning light. Diagnose the brake system before you replace anything. If a failed master cylinder is the cause, this 2002-2005 Jeep Liberty master cylinder replacement installs in its place. Consult the vehicle service information for the brake bleeding procedure and the correct fasteners.

Interchange: 100-2062 · 13-3111 · 10-3111 · 130.58004 · 131.58004 · 355-42003
1002062 · 133111 · 103111 · 13058004 · 13158004 · 35542003 · 13690 · 5072526AA · 5072526AB · MC511690 · M3083 · NM3083 · MC390712 · F140678 · MC140678 · MC900050

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

100-2062, 13690, 13-3111, 10-3111, 130.58004, 131.58004, 5072526AA, 5072526AB, MC511690, 355-42003, M3083, NM3083, MC390712, F140678, MC140678, MC900050

Frequently Asked Questions

What does a brake master cylinder do?

It converts force from the brake pedal into hydraulic pressure. It then sends brake fluid through its two outlets to the brake lines.

Is this the right 2002 Jeep Liberty master cylinder?

Dorman M630161 is listed for the 2002-2005 Jeep Liberty with all engines, so it covers the 2002 model year.

Does it come with a reservoir?

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

What brake fluid are the rubber components designed for?

All rubber components are made of a high-quality EPDM compound that resists glycol-based brake fluid. Use the fluid type specified in your vehicle's service information.

What are the outlet and bore specifications?

It has two outlets and a 1.063 in bore diameter. The secondary outlet thread diameter and rearward outlet size are both M10 x 1.0, and the primary outlet thread pitch is 1 mm.

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