OE Quality
60-Day Returns

Centric 130.66044 Brake Master Cylinder
Overview of Centric Premium Brake Master Cylinder 130.66044
The Centric Premium Brake Master Cylinder 130.66044 is engineered for reliable brake hydraulics performance in select GM and Isuzu vehicles. Designed with precision, this brake master cylinder is compatible with Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab models including the Trailblazer, Envoy, and Ascender.
- Master cylinder bore diameter: 1.000 inch (25.4 mm)
- Aluminum master cylinder material for durability
- Includes a removable plastic reservoir with a single-chamber design
- Comes with a master cylinder cap included
- Two mounting holes for secure installation
- Primary and secondary outlet thread size: 1/2"-20 inverted flare
- Compatible with brake systems requiring a straight bore type
Product Line Details: Centric Premium Brake Master Cylinders
The Centric Premium Brake Master Cylinders line focuses on delivering high-quality brake hydraulics components that meet or exceed OEM specifications. This product line emphasizes precision engineering and material quality, such as aluminum construction and properly sized bores, to ensure consistent brake fluid pressure and system reliability. The 130.66044 model is part of this line, offering a balance of durability and fitment accuracy for various GM and Isuzu vehicles.
Detailed Product Description
This Centric Premium Brake Master Cylinder features a 1.000 inch (25.4 mm) straight bore design crafted from aluminum, providing strength and resistance to corrosion. The included plastic reservoir is removable and designed with a single chamber to hold brake fluid securely. The master cylinder cap is included to maintain system integrity. It has two mounting holes for proper attachment but does not include mounting hardware, brake booster, push rod, or bleeder hoses. Both primary and secondary outlets have 1/2"-20 inverted flare threads, suitable for standard brake line connections. This part is engineered for use in brake hydraulic systems of Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab vehicles such as the Trailblazer, Envoy, and Ascender.
Common Applications and Issues Addressed
- Replacement for worn or leaking brake master cylinders in compatible GM and Isuzu models
- Restores proper brake fluid pressure and pedal feel
- Solves issues related to brake fluid reservoir leaks or damage
- Addresses brake system failures caused by internal bore wear or corrosion
- Improves brake system reliability in vehicles with original equipment master cylinders showing signs of fatigue
Installation Notes and Tips
- Ensure compatibility with your specific vehicle make and model before installation
- Use proper brake fluid and bleed the brake system thoroughly after installation
- Mounting hardware is not included; reuse existing hardware or acquire appropriate fasteners
- Check for proper thread engagement on primary and secondary outlets (1/2"-20 inverted flare)
- Inspect brake booster and push rod components separately as they are not included
Quality Assurance and Warranty
Centric Premium Brake Master Cylinders are manufactured to meet OEM standards for fit, form, and function. The 130.66044 part undergoes rigorous quality control to ensure durability and performance. While specific warranty details are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or authorized sources for exact warranty terms.
| Brand | Centric |
|---|---|
| Part Number | 130.66044 |
| Position | Centric Premium Brake Master Cylinders |
| Bleeder Hoses Included | No |
| Bore Size | 1.000 |
| Bore Size | 25.400 |
| Bore Type | Straight |
| Boss, Nipple or Port: Front, Left: #A [cntrc] | 1/2"-20 inv |
| Boss, Nipple or Port: Rear: #A [cntrc] | 1/2"-20 inv |
| Brake Booster Included | No |
| Cylinder Bore Dia in | 1" |
| Master Cylinder Bore Diameter | 1.000 |
| Master Cylinder Bore Diameter | 25.400 |
| Master Cylinder Cap Included | Yes |
| Master Cylinder Material | Aluminum |
| Mounting Bracket Included | No |
| Mounting Hardware Included | No |
| Mounting Hole Quantity | 2 |
| Port Quantity | 2 |
| Primary Bore Diameter | 1.000 |
| Primary Bore Diameter | 25.400 |
| 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" |
| Push Rod Included | No |
| Push Rod Lgth / Depth | Dimple |
| 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 | 0.500 |
| Secondary Outlet Thread Size | 1/2"-20 |
| Secondary Outlet Threads Per Inch | 20 |
| Weight [cntrc] kgs | 1.02 |
| Weight [cntrc] lbs | 2.25 |
This part fits 30 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2005 | Buick | Rainier | N/A | Centric Premium Brake Master Cylinders |
| 2005 | Chevrolet | SSR | N/A | Centric Premium Brake Master Cylinders |
| 2005 | Chevrolet | Trailblazer | N/A | Centric Premium Brake Master Cylinders |
| 2005 | Chevrolet | Trailblazer EXT | N/A | Centric Premium Brake Master Cylinders |
| 2005 | GMC | Envoy | N/A | Centric Premium Brake Master Cylinders |
| 2005 | GMC | Envoy XL | N/A | Centric Premium Brake Master Cylinders |
| 2005 | GMC | Envoy XUV | N/A | Centric Premium Brake Master Cylinders |
| 2005 | Isuzu | Ascender | N/A | Centric Premium Brake Master Cylinders |
| 2005 | Saab | 9-7x | N/A | Centric Premium Brake Master Cylinders |
| 2004 | Buick | Rainier | N/A | Centric Premium Brake Master Cylinders |
| 2004 | Chevrolet | SSR | N/A | Centric Premium Brake Master Cylinders |
| 2004 | Chevrolet | Trailblazer | N/A | Centric Premium Brake Master Cylinders |
| 2004 | Chevrolet | Trailblazer EXT | N/A | Centric Premium Brake Master Cylinders |
| 2004 | GMC | Envoy | N/A | Centric Premium Brake Master Cylinders |
| 2004 | GMC | Envoy XL | N/A | Centric Premium Brake Master Cylinders |
| 2004 | GMC | Envoy XUV | N/A | Centric Premium Brake Master Cylinders |
| 2004 | Isuzu | Ascender | N/A | Centric Premium Brake Master Cylinders |
| 2004 | Oldsmobile | Bravada | N/A | Centric Premium Brake Master Cylinders |
| 2003 | Chevrolet | SSR | N/A | Centric Premium Brake Master Cylinders |
| 2003 | Chevrolet | Trailblazer | N/A | Centric Premium Brake Master Cylinders |
| 2003 | Chevrolet | Trailblazer EXT | N/A | Centric Premium Brake Master Cylinders |
| 2003 | GMC | Envoy | N/A | Centric Premium Brake Master Cylinders |
| 2003 | GMC | Envoy XL | N/A | Centric Premium Brake Master Cylinders |
| 2003 | Isuzu | Ascender | N/A | Centric Premium Brake Master Cylinders |
| 2003 | Oldsmobile | Bravada | N/A | Centric Premium Brake Master Cylinders |
| 2002 | Chevrolet | Trailblazer | N/A | Centric Premium Brake Master Cylinders |
| 2002 | Chevrolet | Trailblazer EXT | N/A | Centric Premium Brake Master Cylinders |
| 2002 | GMC | Envoy | N/A | Centric Premium Brake Master Cylinders |
| 2002 | GMC | Envoy XL | N/A | Centric Premium Brake Master Cylinders |
| 2002 | Oldsmobile | Bravada | N/A | 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.