OE Quality
60-Day Returns

Centric 131.65055 Brake Master Cylinder
Reliable Brake Master Cylinder for Ford and Mazda Vehicles
The Centric C-TEK Standard Brake Master Cylinder 131.65055 is engineered to restore proper brake hydraulics in select Ford and Mazda models. Designed with durable aluminum construction and a plastic reservoir, this master cylinder ensures consistent brake fluid delivery and pressure for safe stopping performance.
- Compatible with Ford B2500, B3000, B4000, Explorer, Explorer Sport, Explorer Sport Trac, and Ranger models
- Aluminum master cylinder body with a plastic single reservoir included
- Includes bleeder screw and master cylinder cap for maintenance convenience
- Features a straight bore design with a 1.063 inch (26.988 mm) bore diameter
- Equipped with 4 ports: primary outlet M18-1.00 thread and secondary outlet M10-1.00 thread
- Requires one brake pressure switch (not included) for proper system operation
- Mounting hardware and brake booster not included
About the C-TEK Standard Brake Master Cylinder Line
The C-TEK Standard Brake Master Cylinder line by Centric focuses on delivering reliable, OEM-quality replacement parts for brake hydraulics. This product line emphasizes precise fitment and durable materials, such as aluminum bodies and plastic reservoirs, to meet the demands of daily driving and maintain brake system integrity. The 131.65055 part is a direct replacement designed to match factory specifications for select Ford and Mazda trucks and SUVs.
Product Details and Specifications
This brake master cylinder features a single plastic reservoir and an aluminum master cylinder body, providing a balance of lightweight design and corrosion resistance. The bore size measures 1.063 inches (26.988 mm), with a straight bore type to ensure smooth piston movement. It includes one bleeder screw and a master cylinder cap to facilitate brake fluid maintenance. The unit has four ports, with primary and secondary outlet thread sizes of M18-1.00 and M10-1.00 respectively, and corresponding open and bubble flare types. Note that mounting hardware, brake booster, push rod, and bleeder hoses are not included with this part.
Common Applications and Problem Resolution
- Restores brake fluid pressure in Ford Ranger and Mazda B-Series trucks
- Replaces leaking or damaged master cylinders causing brake fluid loss
- Addresses spongy or unresponsive brake pedal feel
- Fixes brake warning light issues related to pressure switch requirements
- Improves overall brake system reliability and safety
Installation Notes and Tips
Ensure compatibility with your specific Ford or Mazda model before installation. The 131.65055 master cylinder requires a brake pressure switch, which is not included and must be sourced separately. Bleed the brake system thoroughly after installation to remove air and verify proper brake pedal feel. Since mounting hardware is not included, retain or replace existing brackets and bolts as needed. Professional installation is recommended for safety and optimal performance.
Quality Assurance and Warranty
Centric's C-TEK Standard Brake Master Cylinder line is manufactured to meet or exceed OEM standards for fit, form, and function. While specific warranty details are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. Refer to Centric's official documentation for complete warranty information.
| Brand | Centric |
|---|---|
| Part Number | 131.65055 |
| Position | C-TEK Standard Brake Master Cylinder |
| Bleeder Hoses Included | No |
| Bleeder Screw Included | Yes |
| Bleeder Screw Quantity | 1 |
| Bore Size | 1.063 |
| Bore Size | 26.988 |
| Bore Type | Straight |
| Boss, Nipple or Port: Front, Left: #A [cntrc] | M10-1.00 bbl |
| Boss, Nipple or Port: Front, Top [cntrc] | 3/8"-24 inv |
| Boss, Nipple or Port: Rear, Right: #A [cntrc] | M10-1.00 |
| Boss, Nipple or Port: Rear: #A [cntrc] | M18-1.00 |
| Brake Booster Included | No |
| Brake Pressure Switch Quantity | 1 |
| Brake Pressure Switch Required | Yes |
| Brake Pressure Switch(s) Included | No |
| Master Cylinder Bore Diameter | 1.063 |
| Master Cylinder Bore Diameter | 26.988 |
| Master Cylinder Cap Included | Yes |
| Master Cylinder Material | Aluminum |
| Mounting Bracket Included | No |
| Mounting Hardware Included | No |
| Mounting Hole Quantity | 2 |
| Port Quantity | 4 |
| Primary Bore Diameter | 1.063 |
| Primary Bore Diameter | 26.988 |
| Primary Outlet Flare Type | Open |
| Primary Outlet Flare Type [cntrc] | Open |
| Primary Outlet Thread Diameter | 18.000 |
| Primary Outlet Thread Pitch | 1.00 |
| Primary Outlet Thread Size | M18-1.00 |
| Publication Bore [cntrc] | 1 1/16" |
| Push Rod Included | No |
| Push Rod: Length / Depth [cntrc] in | 1.41 |
| Reservoir Included | Yes |
| Reservoir Material | Plastic |
| Reservoir Style | Removable |
| Reservoir Type | Single |
| Secondary Outlet Flare Type | Bubble |
| Secondary Outlet Flare Type [cntrc] | Bubble |
| Secondary Outlet Thread Diameter | 10.000 |
| Secondary Outlet Thread Pitch | 1.00 |
| Secondary Outlet Thread Size | M10-1.00 |
| Weight [cntrc] kgs | 1 |
| Weight [cntrc] lbs | 2.2 |
This part fits 33 vehicles. Search below:
| Year | Make | Model | Submodel | # Doors | Drive Type | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2005 | Ford | Explorer Sport Trac | N/A | Compatible with vehicles equipped with Speed Control functionality.; C-TEK Standard Brake Master Cylinder | ||||
| 2004 | Ford | Explorer Sport Trac | N/A | Compatible with vehicles equipped with Speed Control functionality.; C-TEK Standard Brake Master Cylinder | ||||
| 2003 | Ford | Explorer Sport | N/A | Compatible with vehicles equipped with Speed Control functionality.; C-TEK Standard Brake Master Cylinder | ||||
| 2003 | Ford | Explorer Sport Trac | N/A | Compatible with vehicles equipped with Speed Control functionality.; C-TEK Standard Brake Master Cylinder | ||||
| 2002 | Ford | Explorer Sport | N/A | Compatible with vehicles equipped with Speed Control functionality.; C-TEK Standard Brake Master Cylinder | ||||
| 2002 | Ford | Explorer Sport Trac | N/A | Compatible with vehicles equipped with Speed Control functionality.; C-TEK Standard Brake Master Cylinder | ||||
| 2002 | Ford | Ranger | EV | N/A | Fits vehicles equipped with rear disc brakes.; C-TEK Standard Brake Master Cylinder | |||
| 2001 | Ford | Explorer Sport | N/A | Speed Control; C-TEK Standard Brake Master Cylinder | ||||
| 2001 | Ford | Explorer Sport Trac | N/A | Compatible with vehicles equipped with Speed Control functionality.; C-TEK Standard Brake Master Cylinder | ||||
| 2001 | Ford | Ranger | EV | N/A | Fits vehicles equipped with rear disc brakes.; C-TEK Standard Brake Master Cylinder | |||
| 2000 | Ford | Explorer | 2 Door | N/A | Compatible with vehicles equipped with Speed Control functionality.; C-TEK Standard Brake Master Cylinder | |||
| 2000 | Ford | Ranger | RWD | N/A | 9" Rear Drum; Spd Cntrl; C-TEK Standard Brake Master Cylinder | |||
| 2000 | Ford | Ranger | RWD | N/A | 10" Rear Drum; Spd Cntrl; C-TEK Standard Brake Master Cylinder | |||
| 2000 | Ford | Ranger | EV | RWD | ELECTRIC | N/A | Fits vehicles equipped with rear disc brakes.; C-TEK Standard Brake Master Cylinder | |
| 2000 | Ford | Ranger | 4WD | N/A | Compatible with vehicles equipped with Speed Control functionality.; C-TEK Standard Brake Master Cylinder | |||
| 2000 | Mazda | B2500 | N/A | Compatible with vehicles equipped with Speed Control functionality.; C-TEK Standard Brake Master Cylinder | ||||
| 2000 | Mazda | B3000 | N/A | Compatible with vehicles equipped with Speed Control functionality.; C-TEK Standard Brake Master Cylinder | ||||
| 2000 | Mazda | B4000 | N/A | Compatible with vehicles equipped with Speed Control functionality.; C-TEK Standard Brake Master Cylinder | ||||
| 1999 | Ford | Explorer | 2 Door | N/A | Compatible with vehicles equipped with Speed Control functionality.; C-TEK Standard Brake Master Cylinder | |||
| 1999 | Ford | Ranger | RWD | GAS | N/A | Compatible with vehicles equipped with Speed Control functionality.; C-TEK Standard Brake Master Cylinder | ||
| 1999 | Ford | Ranger | RWD | FLEX | N/A | Compatible with vehicles equipped with Speed Control functionality.; C-TEK Standard Brake Master Cylinder | ||
| 1999 | Ford | Ranger | EV | RWD | ELECTRIC | N/A | C-TEK Standard Brake Master Cylinder | |
| 1999 | Ford | Ranger | 4WD | N/A | Compatible with vehicles equipped with Speed Control functionality.; C-TEK Standard Brake Master Cylinder | |||
| 1999 | Mazda | B2500 | N/A | Compatible with vehicles equipped with Speed Control functionality.; C-TEK Standard Brake Master Cylinder | ||||
| 1999 | Mazda | B3000 | N/A | Compatible with vehicles equipped with Speed Control functionality.; C-TEK Standard Brake Master Cylinder | ||||
| 1999 | Mazda | B4000 | N/A | Compatible with vehicles equipped with Speed Control functionality.; C-TEK Standard Brake Master Cylinder | ||||
| 1998 | Ford | Explorer | 2 Door | N/A | Compatible with vehicles equipped with Speed Control functionality.; C-TEK Standard Brake Master Cylinder | |||
| 1998 | Ford | Ranger | RWD | GAS | N/A | Compatible with vehicles equipped with Speed Control functionality.; C-TEK Standard Brake Master Cylinder | ||
| 1998 | Ford | Ranger | EV | RWD | ELECTRIC | N/A | C-TEK Standard Brake Master Cylinder | |
| 1998 | Ford | Ranger | 4WD | N/A | Compatible with vehicles equipped with Speed Control functionality.; C-TEK Standard Brake Master Cylinder | |||
| 1998 | Mazda | B2500 | N/A | Compatible with vehicles equipped with Speed Control functionality.; C-TEK Standard Brake Master Cylinder | ||||
| 1998 | Mazda | B3000 | N/A | Compatible with vehicles equipped with Speed Control functionality.; C-TEK Standard Brake Master Cylinder | ||||
| 1998 | Mazda | B4000 | N/A | Compatible with vehicles equipped with Speed Control functionality.; C-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.