HomeCentric 131.61001 Brake Master Cylinder
Part #: 131.61001

Centric 131.61001 Brake Master Cylinder

C-TEK Standard Brake Master Cylinder
14 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
C-TEK Standard Brake Master Cylinder
Fitment: Ford and Mercury, Mustang, Thunderbird, and Cougar
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Overview of Centric C-TEK Standard Brake Master Cylinder

The Centric C-TEK Standard Brake Master Cylinder 131.61001 is engineered for reliable brake hydraulics performance in Ford Mustang, Mercury Cougar, and Thunderbird models. Designed with precision, this brake master cylinder ensures consistent brake fluid pressure and smooth operation.

  • Compatible with Ford Mustang, Mercury Cougar, and Thunderbird
  • Aluminum master cylinder body with plastic reservoir
  • Single removable reservoir included
  • Two mounting holes for secure installation
  • Includes master cylinder cap, excludes mounting hardware and push rod
  • Primary and secondary outlet thread sizes: M10-1.00 and M12-1.00 with bubble flare type
  • Bore diameter: 0.827 inches (21.000 mm), straight bore type
  • Two ports for brake line connections

Detailed Product Features and Specifications

This Centric C-TEK Standard Brake Master Cylinder (part number 131.61001) features a durable aluminum master cylinder body paired with a plastic, single-style reservoir that is removable for maintenance convenience. The bore diameter measures 0.827 inches (21 mm), designed with a straight bore type to provide consistent hydraulic pressure. The unit includes a master cylinder cap but does not come with mounting hardware, push rod, brake booster, or bleeder hoses, so these components must be sourced separately if needed.

The master cylinder has two mounting holes to ensure a secure fitment in the brake system. It features two outlet ports with thread sizes M10-1.00 (primary) and M12-1.00 (secondary), both with bubble flare types for reliable brake line connections. The reservoir style is removable, allowing for easier brake fluid inspection and replacement.

About the C-TEK Standard Brake Master Cylinder Line

The C-TEK Standard Brake Master Cylinder line by Centric is designed to provide dependable brake hydraulic components that meet or exceed OEM specifications. This product line focuses on delivering precise fitment and consistent performance for popular vehicle models, including the Ford Mustang, Mercury Cougar, and Thunderbird. The 131.61001 part exemplifies the line’s commitment to quality materials and accurate engineering.

Common Applications and Problem Solving

  • Replacement for worn or leaking brake master cylinders in Ford Mustang, Mercury Cougar, and Thunderbird
  • Restores proper brake fluid pressure and pedal feel
  • Addresses brake fluid reservoir leaks or damage
  • Solves issues related to inconsistent brake response or spongy brake pedal
  • Supports brake system rebuilds requiring OEM-style master cylinder components

Installation Notes and Tips

  • Verify compatibility with your specific Ford Mustang, Mercury Cougar, or Thunderbird model year before installation
  • Ensure brake system is properly bled after installation to remove air from hydraulic lines
  • Use appropriate brake fluid as specified by the vehicle manufacturer
  • Mounting hardware and push rod are not included; reuse existing parts or source replacements as needed
  • Inspect brake booster and related components during installation for optimal brake system performance

Quality Assurance and Warranty

Centric’s C-TEK Standard Brake Master Cylinder 131.61001 is manufactured to meet strict quality standards, using durable aluminum and plastic materials for long-lasting service. While specific warranty details are not provided here, Centric products typically come with a limited warranty against defects in materials and workmanship. Refer to Centric’s official documentation for complete warranty information.

BrandCentric
Part Number131.61001
PositionC-TEK Standard Brake Master Cylinder
Bleeder Hoses IncludedNo
Bore Size0.827
Bore Size21.000
Bore TypeStraight
Boss, Nipple or Port: Front, Right: #A [cntrc]M12-1.00 bbl
Boss, Nipple or Port: Rear, Right: #A [cntrc]M10-1.00 bbl
Brake Booster IncludedNo
Master Cylinder Bore Diameter0.827
Master Cylinder Bore Diameter21.000
Master Cylinder Cap IncludedYes
Master Cylinder MaterialAluminum
Mounting Bracket IncludedNo
Mounting Hardware IncludedNo
Mounting Hole Quantity2
Port Quantity2
Primary Bore Diameter0.827
Primary Bore Diameter21.000
Primary Outlet Flare TypeBubble
Primary Outlet Flare Type [cntrc]Bubble
Primary Outlet Thread Diameter10.000
Primary Outlet Thread Pitch1.00
Primary Outlet Thread SizeM10-1.00
Publication Bore [cntrc]21mm
Push Rod IncludedNo
Push Rod: Length / Depth [cntrc] in1.43
Reservoir IncludedYes
Reservoir MaterialPlastic
Reservoir StyleRemovable
Reservoir TypeSingle
Secondary Outlet Flare TypeBubble
Secondary Outlet Flare Type [cntrc]Bubble
Secondary Outlet Thread Diameter12.000
Secondary Outlet Thread Pitch1.00
Secondary Outlet Thread SizeM12-1.00
Weight [cntrc] kgs0.95
Weight [cntrc] lbs2.1

This part fits 14 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1993FordMustang5.0LV8N/AC-TEK Standard Brake Master Cylinder
1993FordMustang2.3LL4N/AC-TEK Standard Brake Master Cylinder
1992FordMustangN/AC-TEK Standard Brake Master Cylinder
1991FordMustangN/AC-TEK Standard Brake Master Cylinder
1990FordMustangN/AC-TEK Standard Brake Master Cylinder
1989FordMustangN/AC-TEK Standard Brake Master Cylinder
1988FordMustangN/AC-TEK Standard Brake Master Cylinder
1988FordThunderbirdN/A9" Rear Drum; C-TEK Standard Brake Master Cylinder
1988FordThunderbirdN/A10" Rear Drum; C-TEK Standard Brake Master Cylinder
1988MercuryCougarN/AC-TEK Standard Brake Master Cylinder
1987FordMustangN/AC-TEK Standard Brake Master Cylinder
1987FordThunderbirdN/A9" Rear Drum; C-TEK Standard Brake Master Cylinder
1987FordThunderbirdN/A10" Rear Drum; C-TEK Standard Brake Master Cylinder
1987MercuryCougarN/AC-TEK Standard Brake Master Cylinder

* 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:

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