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Centric 130.33603 Brake Master Cylinder
Overview of Centric Premium Brake Master Cylinder 130.33603
The Centric Premium Brake Master Cylinder 130.33603 is engineered for reliable brake hydraulic performance in select Audi models. Designed to meet OEM specifications, this brake master cylinder ensures consistent brake pressure and control for vehicles like the Audi 80, 80 Quattro, 4000 Quattro, and Coupe.
- Compatible with Audi 80, 80 Quattro, 4000 Quattro, and Coupe models
- Part number 130.33603 for precise identification
- Cast iron master cylinder body for durability
- Plastic removable reservoir style for ease of maintenance
- Two mounting holes for secure installation
- Four ports with M10-1.00 bubble flare outlet threads
- Straight bore type with 22 mm (0.866 inch) diameter
Centric Premium Brake Master Cylinders Product Line
The Centric Premium Brake Master Cylinders line focuses on delivering high-quality brake hydraulics components that meet or exceed OEM standards. This product line emphasizes durability and precise fitment, making it suitable for professional repairs and maintenance. The 130.33603 model exemplifies this approach by combining a cast iron body with a removable plastic reservoir, designed specifically for certain Audi vehicles.
Detailed Product Description
This Centric Premium Brake Master Cylinder features a cast iron construction that provides strength and resistance to wear under demanding braking conditions. The plastic reservoir is removable, allowing for easier servicing and fluid replacement. It includes two mounting holes to ensure a secure fit on compatible Audi models. The master cylinder has a straight bore design with a 22 mm (0.866 inch) diameter, which supports consistent hydraulic pressure. Both primary and secondary outlet ports use M10-1.00 bubble flare threads, with a total of four ports to accommodate brake line connections. Note that this part does not include mounting hardware, brake booster, reservoir, push rod, master cylinder cap, bleeder hoses, or mounting bracket.
Common Applications and Issues Addressed
- Restores proper brake fluid pressure in Audi 80 and 4000 Quattro models
- Replaces worn or leaking master cylinders causing brake pedal sponginess
- Solves brake fluid leaks from damaged or corroded master cylinder bodies
- Addresses inconsistent braking performance due to bore wear or damage
- Supports brake system rebuilds requiring OEM-spec master cylinder components
Installation Notes and Tips
- Verify compatibility with your specific Audi model and year before installation
- Ensure brake system is properly bled after installation to remove air
- Use appropriate brake fluid as specified by the vehicle manufacturer
- Check mounting hole alignment and secure with correct hardware (not included)
- Inspect brake lines and fittings for wear or damage during installation
Quality Assurance and Warranty
Centric Premium Brake Master Cylinders are manufactured to meet strict quality standards for fit, form, and function. The 130.33603 part undergoes rigorous testing to ensure reliable brake system performance. While specific warranty details are not provided here, Centric products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or supplier for exact warranty terms.
| Brand | Centric |
|---|---|
| Part Number | 130.33603 |
| Position | Centric Premium Brake Master Cylinders |
| Bleeder Hoses Included | No |
| Bore Size | 0.866 |
| Bore Size | 22.000 |
| Bore Type | Straight |
| Boss, Nipple or Port: Front, Left: #A [cntrc] | M10-1.00 bbl |
| Boss, Nipple or Port: Front, Right: #A [cntrc] | M10-1.00 bbl |
| Boss, Nipple or Port: Rear, Right: #A [cntrc] | M10-1.00 bbl |
| Boss, Nipple or Port: Rear: #A [cntrc] | M10-1.00 bbl |
| Brake Booster Included | No |
| Cylinder Bore Dia in | 0.8660 |
| Cylinder Bore Dia mm | 22.00 |
| Master Cylinder Bore Diameter | 0.866 |
| Master Cylinder Bore Diameter | 22.000 |
| Master Cylinder Cap Included | No |
| Master Cylinder Material | Cast Iron |
| Mounting Bracket Included | No |
| Mounting Hardware Included | No |
| Mounting Hole Quantity | 2 |
| Port Quantity | 4 |
| Primary Bore Diameter | 0.866 |
| Primary Bore Diameter | 22.000 |
| Primary Outlet Flare Type | Bubble |
| Primary Outlet Flare Type [cntrc] | Bubble |
| Primary Outlet Thread Diameter | 10.000 |
| Primary Outlet Thread Pitch | 1.00 |
| Primary Outlet Thread Size | M10-1.00 |
| Publication Bore [cntrc] | 22mm |
| Push Rod Included | No |
| Push Rod Lgth / Depth | 1.87 |
| Push Rod: Length / Depth [cntrc] in | 1.87 |
| Reservoir Included | No |
| Reservoir Material | Plastic |
| Reservoir Style | Removable |
| 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 | 2.27 |
| Weight [cntrc] lbs | 5 |
This part fits 14 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1991 | Audi | 80 | N/A | Centric Premium Brake Master Cylinders |
| 1990 | Audi | 80 | N/A | Centric Premium Brake Master Cylinders |
| 1990 | Audi | 80 Quattro | N/A | Centric Premium Brake Master Cylinders |
| 1989 | Audi | 80 | N/A | Centric Premium Brake Master Cylinders |
| 1989 | Audi | 80 Quattro | N/A | Centric Premium Brake Master Cylinders |
| 1988 | Audi | 80 | N/A | Centric Premium Brake Master Cylinders |
| 1988 | Audi | 80 Quattro | N/A | Centric Premium Brake Master Cylinders |
| 1987 | Audi | 4000 Quattro | N/A | Centric Premium Brake Master Cylinders |
| 1987 | Audi | Coupe | N/A | Fits front drum brake models from January 1987 onwards.; Centric Premium Brake Master Cylinders |
| 1986 | Audi | 4000 Quattro | N/A | Centric Premium Brake Master Cylinders |
| 1986 | Audi | Coupe | N/A | Fitment: Up to Dec 1986; Centric Premium Brake Master Cylinders |
| 1985 | Audi | 4000 Quattro | N/A | Centric Premium Brake Master Cylinders |
| 1985 | Audi | Coupe | N/A | Centric Premium Brake Master Cylinders |
| 1984 | Audi | Coupe | N/A | Front caliper fits vehicles manufactured after August 1984.; 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.