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Centric 131.62003 Brake Master Cylinder
Overview of Centric C-TEK Standard Brake Master Cylinder 131.62003
The Centric C-TEK Standard Brake Master Cylinder 131.62003 is engineered for reliable brake hydraulics performance in select Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. Designed to meet OEM specifications, this brake master cylinder ensures consistent braking pressure and fluid control for models like the Cutlass, Malibu, and Monte Carlo.
- Durable cast iron master cylinder body
- Plastic single reservoir with removable style
- Includes master cylinder cap and reservoir
- Two mounting holes for secure installation
- Primary bore diameter of 0.945 inches (24.000 mm)
- Two ports with inverted flare threads: 1/2"-20 primary and 9/16"-18 secondary
- Compatible with Buick Century, Chevrolet El Camino, Oldsmobile Cutlass, Pontiac Grand Prix, and more
Details on the C-TEK Standard Brake Master Cylinder Line
The C-TEK Standard Brake Master Cylinder line by Centric focuses on delivering dependable brake hydraulics components that align with factory fit and function. This product line emphasizes quality materials such as cast iron for the master cylinder and plastic for the reservoir, providing a balance of durability and corrosion resistance. The 131.62003 part number represents a standard bore size and port configuration suitable for a range of GM vehicles, ensuring compatibility and ease of replacement.
Technical Description and Specifications
This brake master cylinder features a cast iron body for strength and longevity, paired with a plastic reservoir that is removable for maintenance convenience. The single reservoir design supports brake fluid storage with included master cylinder cap to maintain system integrity. It has two mounting holes for secure attachment and two ports with inverted flare threads—primary outlet at 1/2"-20 and secondary outlet at 9/16"-18—allowing proper brake line connections. The bore diameter measures 0.945 inches (24.000 mm), providing consistent hydraulic pressure for braking systems in compatible vehicles.
Applications and Problem Solving
- Replaces worn or leaking brake master cylinders in Buick Century and Chevrolet Malibu
- Restores proper brake fluid pressure for Oldsmobile Cutlass and Pontiac Grand Prix
- Eliminates brake pedal sponginess caused by internal cylinder wear
- Addresses brake fluid reservoir leaks with included plastic reservoir and cap
- Supports brake system reliability in Chevrolet El Camino and Pontiac Grand Am
Installation Notes and Tips
- Ensure vehicle compatibility with Buick, Chevrolet, Oldsmobile, and Pontiac models listed
- Bleeder hoses and mounting hardware are not included; reuse existing components or source separately
- Carefully align mounting holes and secure with appropriate fasteners
- Check and refill brake fluid after installation to avoid air in the system
- Verify proper thread engagement on primary and secondary outlet ports during brake line connection
Quality Assurance and Warranty
The Centric C-TEK Standard Brake Master Cylinder 131.62003 is manufactured to meet or exceed OEM standards for brake hydraulics components. The use of cast iron and quality plastic materials ensures durability and corrosion resistance. While specific warranty details are not provided, Centric products typically come with a limited warranty covering defects in materials and workmanship. Proper installation and maintenance are essential to maximize product lifespan and performance.
| Brand | Centric |
|---|---|
| Part Number | 131.62003 |
| Position | C-TEK Standard Brake Master Cylinder |
| Bleeder Hoses Included | No |
| Bore Size | 0.945 |
| Bore Size | 24.000 |
| Bore Type | Straight |
| Boss, Nipple or Port: Front, Left: #A [cntrc] | 9/16"-18 inv |
| Boss, Nipple or Port: Rear: #A [cntrc] | 1/2"-20 inv |
| Brake Booster Included | No |
| Master Cylinder Bore Diameter | 0.945 |
| Master Cylinder Bore Diameter | 24.000 |
| Master Cylinder Cap Included | Yes |
| Master Cylinder Material | Cast Iron |
| Mounting Bracket Included | No |
| Mounting Hardware Included | No |
| Mounting Hole Quantity | 2 |
| Port Quantity | 2 |
| Primary Bore Diameter | 0.945 |
| Primary Bore Diameter | 24.000 |
| Primary Outlet Flare Type | Inverted |
| Primary Outlet Flare Type [cntrc] | Inverted |
| Primary Outlet Thread Diameter | 0.500 |
| Primary Outlet Thread Size | 1/2"-20 |
| Primary Outlet Threads Per Inch | 20 |
| Publication Bore [cntrc] | 24mm |
| Push Rod Included | No |
| Push Rod: Length / Depth [cntrc] in | dmpl |
| Reservoir Included | Yes |
| Reservoir Material | Plastic |
| Reservoir Style | Removable |
| Reservoir Type | Single |
| Secondary Outlet Flare Type | Inverted |
| Secondary Outlet Flare Type [cntrc] | Inverted |
| Secondary Outlet Thread Diameter | 0.5625 |
| Secondary Outlet Thread Size | 9/16"-18 |
| Secondary Outlet Threads Per Inch | 18 |
| Weight [cntrc] kgs | 2.14 |
| Weight [cntrc] lbs | 4.7 |
This part fits 43 vehicles. Search below:
| Year | Make | Model | Fuel Type | Position | Notes |
|---|---|---|---|---|---|
| 1984 | Oldsmobile | Cutlass Calais | GAS | N/A | C-TEK Standard Brake Master Cylinder |
| 1983 | Oldsmobile | Cutlass Calais | GAS | N/A | C-TEK Standard Brake Master Cylinder |
| 1982 | Oldsmobile | Cutlass Calais | GAS | N/A | C-TEK Standard Brake Master Cylinder |
| 1981 | Oldsmobile | Cutlass Calais | GAS | N/A | C-TEK Standard Brake Master Cylinder |
| 1980 | Buick | Century | N/A | C-TEK Standard Brake Master Cylinder | |
| 1980 | Buick | Regal | N/A | C-TEK Standard Brake Master Cylinder | |
| 1980 | Chevrolet | El Camino | N/A | C-TEK Standard Brake Master Cylinder | |
| 1980 | Chevrolet | Malibu | N/A | C-TEK Standard Brake Master Cylinder | |
| 1980 | Chevrolet | Monte Carlo | N/A | C-TEK Standard Brake Master Cylinder | |
| 1980 | Oldsmobile | Cutlass | GAS | N/A | C-TEK Standard Brake Master Cylinder |
| 1980 | Oldsmobile | Cutlass Calais | GAS | N/A | C-TEK Standard Brake Master Cylinder |
| 1980 | Oldsmobile | Cutlass Cruiser | GAS | N/A | C-TEK Standard Brake Master Cylinder |
| 1980 | Oldsmobile | Cutlass Salon | GAS | N/A | C-TEK Standard Brake Master Cylinder |
| 1980 | Oldsmobile | Cutlass Supreme | GAS | N/A | C-TEK Standard Brake Master Cylinder |
| 1980 | Pontiac | Grand Am | N/A | C-TEK Standard Brake Master Cylinder | |
| 1980 | Pontiac | Grand LeMans | N/A | C-TEK Standard Brake Master Cylinder | |
| 1980 | Pontiac | Grand Prix | N/A | C-TEK Standard Brake Master Cylinder | |
| 1980 | Pontiac | LeMans | N/A | C-TEK Standard Brake Master Cylinder | |
| 1979 | Buick | Century | N/A | C-TEK Standard Brake Master Cylinder | |
| 1979 | Buick | Regal | N/A | C-TEK Standard Brake Master Cylinder | |
| 1979 | Chevrolet | El Camino | N/A | C-TEK Standard Brake Master Cylinder | |
| 1979 | Chevrolet | Malibu | N/A | C-TEK Standard Brake Master Cylinder | |
| 1979 | Chevrolet | Monte Carlo | N/A | C-TEK Standard Brake Master Cylinder | |
| 1979 | Oldsmobile | Cutlass | GAS | N/A | C-TEK Standard Brake Master Cylinder |
| 1979 | Oldsmobile | Cutlass Calais | GAS | N/A | C-TEK Standard Brake Master Cylinder |
| 1979 | Oldsmobile | Cutlass Salon | GAS | N/A | C-TEK Standard Brake Master Cylinder |
| 1979 | Oldsmobile | Cutlass Supreme | GAS | N/A | C-TEK Standard Brake Master Cylinder |
| 1979 | Pontiac | Grand Am | N/A | C-TEK Standard Brake Master Cylinder | |
| 1979 | Pontiac | Grand LeMans | N/A | C-TEK Standard Brake Master Cylinder | |
| 1979 | Pontiac | Grand Prix | N/A | C-TEK Standard Brake Master Cylinder | |
| 1979 | Pontiac | LeMans | N/A | C-TEK Standard Brake Master Cylinder | |
| 1978 | Buick | Century | N/A | C-TEK Standard Brake Master Cylinder | |
| 1978 | Buick | Regal | N/A | C-TEK Standard Brake Master Cylinder | |
| 1978 | Chevrolet | El Camino | N/A | C-TEK Standard Brake Master Cylinder | |
| 1978 | Chevrolet | Malibu | N/A | C-TEK Standard Brake Master Cylinder | |
| 1978 | Chevrolet | Monte Carlo | N/A | C-TEK Standard Brake Master Cylinder | |
| 1978 | Oldsmobile | Cutlass | N/A | C-TEK Standard Brake Master Cylinder | |
| 1978 | Oldsmobile | Cutlass Calais | N/A | C-TEK Standard Brake Master Cylinder | |
| 1978 | Oldsmobile | Cutlass Salon | N/A | C-TEK Standard Brake Master Cylinder | |
| 1978 | Oldsmobile | Cutlass Supreme | N/A | C-TEK Standard Brake Master Cylinder | |
| 1978 | Pontiac | Grand Am | N/A | C-TEK Standard Brake Master Cylinder | |
| 1978 | Pontiac | Grand LeMans | N/A | C-TEK Standard Brake Master Cylinder | |
| 1978 | Pontiac | LeMans | N/A | 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.