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Centric 130.67003 Brake Master Cylinder
Overview of Centric Premium Brake Master Cylinder 130.67003
The Centric Premium Brake Master Cylinder 130.67003 is engineered for reliable brake performance in Jeep CJ5 and CJ7 models. Designed with durable cast iron construction, this master cylinder ensures consistent hydraulic pressure for safe braking.
- Cast iron reservoir and master cylinder for durability
- Integral single reservoir style included
- 1.063 inch (26.988 mm) straight bore diameter
- Two mounting holes for secure installation
- Includes master cylinder cap, excludes mounting hardware and push rod
- Primary and secondary outlet thread sizes: 1/2"-20 and 9/16"-18 inverted flare
- Compatible with Jeep CJ5 and CJ7 brake hydraulic systems
Centric Premium Brake Master Cylinders Product Line
The Centric Premium Brake Master Cylinders line focuses on delivering high-quality brake hydraulics components with precise fitment and durable materials. This product line emphasizes OEM-equivalent specifications, including cast iron construction and accurate bore sizing, to maintain proper brake system function and safety for classic and off-road vehicles like the Jeep CJ series.
Detailed Product Description
This Centric Premium Brake Master Cylinder 130.67003 features a cast iron master cylinder and reservoir, providing strength and resistance to wear. The integral single reservoir design simplifies fluid management, while the straight bore type with a 1.063 inch (26.988 mm) diameter ensures consistent hydraulic pressure. The unit includes a master cylinder cap but does not come with mounting hardware, push rod, brake booster, or bleeder hoses, allowing for compatibility with existing brake system components. The two mounting holes facilitate secure attachment to the vehicle's firewall or brake booster. Both primary and secondary outlets have inverted flare threads sized at 1/2"-20 and 9/16"-18 respectively, matching factory brake line fittings for the Jeep CJ5 and CJ7.
Common Applications and Problem Solving
- Replacement for worn or leaking brake master cylinders on Jeep CJ5 and CJ7
- Restores proper hydraulic pressure for improved brake pedal feel
- Addresses brake fluid reservoir leaks with integral cast iron reservoir
- Resolves inconsistent braking caused by bore wear or damage
- Compatible upgrade for restoring original brake system performance
Installation Notes and Tips
- Verify compatibility with Jeep CJ5 or CJ7 before installation
- Use appropriate brake fluid and bleed system thoroughly after installation
- Ensure mounting surface is clean and free of debris for secure fitment
- Check thread sizes (1/2"-20 primary, 9/16"-18 secondary) for brake line compatibility
- Master cylinder cap is included; other hardware and push rod must be reused or sourced separately
Quality Assurance and Warranty
Centric Premium Brake Master Cylinders are manufactured to meet or exceed OEM standards for material and dimensional accuracy. The cast iron construction provides long-lasting durability under demanding conditions. While specific warranty details are not provided here, Centric products typically come with a limited warranty against defects in materials and workmanship. Always consult product documentation or supplier for exact warranty terms.
| Brand | Centric |
|---|---|
| Part Number | 130.67003 |
| Position | Centric Premium Brake Master Cylinders |
| Bleeder Hoses Included | No |
| Bore Size | 1.063 |
| Bore Size | 26.988 |
| 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 |
| Cylinder Bore Dia in | 1.0625 |
| Cylinder Bore Dia mm | 26.99 |
| Master Cylinder Bore Diameter | 1.063 |
| Master Cylinder Bore Diameter | 26.988 |
| 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 | 1.063 |
| Primary Bore Diameter | 26.988 |
| 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] | 1 1/16" |
| Push Rod Included | No |
| Push Rod Lgth / Depth | 0.918 |
| Push Rod: Length / Depth [cntrc] in | 0.918 |
| Reservoir Included | Yes |
| Reservoir Material | Cast Iron |
| Reservoir Style | Integral |
| 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 | 2.23 |
| Weight [cntrc] lbs | 4.9 |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1978 | Jeep | CJ5 | N/A | 11" Rear Drum; 6 Bolt Steering Knuckle; Centric Premium Brake Master Cylinders |
| 1978 | Jeep | CJ5 | N/A | 11" Rear Drum; 2 Bolt Steering Knuckle; Centric Premium Brake Master Cylinders |
| 1978 | Jeep | CJ7 | N/A | 11" Rear Drum; 6 Bolt Steering Knuckle; Centric Premium Brake Master Cylinders |
| 1978 | Jeep | CJ7 | N/A | 11" Rear Drum; 2 Bolt Steering Knuckle; Centric Premium Brake Master Cylinders |
| 1977 | Jeep | CJ5 | N/A | Drum Brake Shoe.; Centric Premium Brake Master Cylinders |
| 1977 | Jeep | CJ7 | N/A | Drum Brake Shoe.; Centric Premium Brake Master Cylinders |
* 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.