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Centric 130.34004 Brake Master Cylinder
Overview of Centric Premium Brake Master Cylinder 130.34004
The Centric Premium Brake Master Cylinder 130.34004 is engineered for reliable brake hydraulics performance in BMW 528i and 530i models. Designed with precision, this brake master cylinder ensures consistent brake pressure and responsiveness for your vehicle's braking system.
- Compatible with BMW 528i and 530i models
- Constructed from durable cast iron for long-lasting strength
- Plastic removable reservoir for ease of maintenance
- Straight bore design with a 0.906 inch (23 mm) bore diameter
- Includes 5 ports with M10-1.00 bubble flare outlet threads
- Mounting hardware, brake booster, reservoir, and push rod not included
Features of Centric Premium Brake Master Cylinders
The Centric Premium Brake Master Cylinders product line focuses on delivering dependable brake hydraulics components that meet or exceed OEM specifications. This line emphasizes quality materials such as cast iron master cylinder bodies and precision-machined bores to ensure optimal brake fluid pressure and durability. The removable plastic reservoir design facilitates easier servicing and fluid replacement, making it a practical choice for BMW brake system repairs.
Detailed Product Description
This Centric Premium Brake Master Cylinder (part number 130.34004) is specifically designed for BMW 528i and 530i vehicles, providing a direct replacement for the original brake master cylinder. The cast iron construction offers robust resistance to wear and corrosion, while the straight bore with a 0.906 inch (23 mm) diameter ensures consistent hydraulic pressure. The unit features five ports with M10-1.00 bubble flare threads on both primary and secondary outlets, supporting secure brake line connections. Note that this assembly does not include mounting hardware, brake booster, reservoir, push rod, or bleeder hoses, so these components must be sourced separately if needed.
Common Applications and Problem Resolution
- Restores proper brake fluid pressure in BMW 528i and 530i brake systems
- Replaces worn or leaking master cylinders causing brake pedal sponginess
- Addresses brake fluid leaks from damaged or corroded master cylinder bodies
- Improves brake responsiveness and pedal feel after master cylinder failure
- Supports brake system rebuilds requiring OEM-spec master cylinder components
Installation Notes and Tips
- Ensure compatibility with BMW 528i and 530i models before installation
- Bleed the brake system thoroughly after installation to remove air
- Verify all brake line connections use M10-1.00 bubble flare fittings for proper sealing
- Replace mounting hardware and related components if worn or damaged, as they are not included
- Inspect brake booster and reservoir condition during installation, as these are sold separately
Quality Assurance and Warranty
Centric Premium Brake Master Cylinders are manufactured to meet strict quality standards, using cast iron and precision machining to ensure durability and performance. While specific warranty details for part number 130.34004 should be confirmed at the point of purchase, Centric typically offers limited warranties covering defects in materials and workmanship. This part is designed to provide reliable service life when installed and maintained according to manufacturer guidelines.
| Brand | Centric |
|---|---|
| Part Number | 130.34004 |
| Position | Centric Premium Brake Master Cylinders |
| Bleeder Hoses Included | No |
| Bore Size | 0.906 |
| Bore Size | 23.000 |
| Bore Type | Straight |
| Boss, Nipple or Port: Bottom [cntrc] | M10-1.00 bbl |
| Boss, Nipple or Port: Front, Left: #A [cntrc] | M10-1.00 bbl |
| Boss, Nipple or Port: Front, Left: #B [cntrc] | M10-1.00 bbl |
| Boss, Nipple or Port: Rear: #A [cntrc] | M10-1.00 bbl |
| Boss, Nipple or Port: Rear: #B [cntrc] | M10-1.00 bbl |
| Brake Booster Included | No |
| Cylinder Bore Dia in | 0.9060 |
| Cylinder Bore Dia mm | 23.00 |
| Master Cylinder Bore Diameter | 0.906 |
| Master Cylinder Bore Diameter | 23.000 |
| Master Cylinder Cap Included | No |
| Master Cylinder Material | Cast Iron |
| Mounting Bracket Included | No |
| Mounting Hardware Included | No |
| Mounting Hole Quantity | 2 |
| Port Quantity | 5 |
| Primary Bore Diameter | 0.906 |
| Primary Bore Diameter | 23.000 |
| 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] | 23mm |
| Push Rod Included | No |
| Push Rod Lgth / Depth | 1.92 |
| Push Rod: Length / Depth [cntrc] in | 1.92 |
| 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 | 1.45 |
| Weight [cntrc] lbs | 3.2 |
This part fits 9 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1981 | BMW | 528i | N/A | Centric Premium Brake Master Cylinders |
| 1980 | BMW | 528i | N/A | Centric Premium Brake Master Cylinders |
| 1979 | BMW | 528i | N/A | Centric Premium Brake Master Cylinders |
| 1978 | BMW | 530i | N/A | Centric Premium Brake Master Cylinders |
| 1977 | BMW | 530i | N/A | Centric Premium Brake Master Cylinders |
| 1976 | BMW | 530i | N/A | To 1/76; Centric Premium Brake Master Cylinders |
| 1976 | BMW | 530i | N/A | Fr 9/76; Centric Premium Brake Master Cylinders |
| 1976 | BMW | 530i | N/A | Fr 2/76 - To 8/76; Centric Premium Brake Master Cylinders |
| 1975 | BMW | 530i | 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.