OE Quality
60-Day Returns

Centric 121.34045 Disc Brake Rotor - Front
Overview of Centric C-TEK Standard Disc Brake Rotor 121.34045
The Centric C-TEK Standard Disc Brake Rotor 121.34045 is engineered for reliable braking performance on BMW 525i and 528i models. Designed as a vented rotor with a smooth surface, it offers consistent heat dissipation and durability for everyday driving conditions.
- Compatible with BMW 525i and 528i models
- Part number 121.34045 for precise identification
- Vented disc brake rotor design for improved cooling
- Nominal thickness of 22.000 mm and discard thickness of 20.400 mm
- Overall height of 76.000 mm and outside diameter of 296.000 mm
- Floating disc mounting with straight vane style for efficient airflow
- 5 stud/lug holes with 14.600 mm diameter for secure fitment
- Center hole diameter of 79.000 mm and mounting bolt hole circle diameter of 120.000 mm
- Weight approximately 7.85 kg (17.28 lbs)
About the C-TEK Standard Disc Brake Rotors Line
The C-TEK Standard Disc Brake Rotors line by Centric offers a balance of quality and value, providing rotors that meet or exceed OEM specifications. This product line focuses on delivering reliable braking performance with features such as vented rotor design and smooth surfaces to reduce noise and vibration. The 121.34045 rotor is part of this line, ensuring compatibility and consistent performance for BMW 525i and 528i vehicles.
Detailed Product Description
This Centric disc brake rotor features a vented design with straight vanes that promote effective heat dissipation, reducing the risk of brake fade during extended use. The smooth surface finish helps maintain consistent pad contact and braking efficiency. With a nominal thickness of 22.000 mm and a discard thickness of 20.400 mm, this rotor provides a clear service life indicator to maintain safety standards. The floating disc mounting and precise dimensions, including a 79.000 mm center hole diameter and 120.000 mm mounting bolt hole circle diameter, ensure proper fitment and alignment on BMW 525i and 528i models.
Common Applications and Problem Solving
- Replacement for worn or warped rotors on BMW 525i and 528i
- Addresses brake noise and vibration issues caused by uneven rotor surfaces
- Improves braking performance by restoring proper rotor thickness and surface condition
- Helps prevent brake fade through enhanced heat dissipation with vented design
- Suitable for routine maintenance and brake system overhauls
Installation Notes and Tips
- Verify rotor dimensions and part number 121.34045 before installation
- Ensure proper cleaning of rotor surface to remove any protective coatings
- Check brake pads for wear and replace if necessary to maintain optimal braking
- Torque mounting bolts to manufacturer specifications to avoid rotor warping
- Inspect wheel bearings and related components during installation as bearings are not included
Quality Assurance and Warranty
Centric C-TEK Standard Disc Brake Rotors are manufactured to meet or exceed OEM standards, ensuring consistent quality and performance. While specific warranty details are not provided here, Centric typically offers coverage against defects in materials and workmanship. Users should consult product documentation or Centric directly for warranty terms related to part number 121.34045.
| Brand | Centric |
|---|---|
| Part Number | 121.34045 |
| Position | C-TEK Standard Disc Brake Rotors, Front |
| ABS Tone Ring Included | No |
| Bearings Included | No |
| Center Hole Diameter | 3.110 |
| Center Hole Diameter | 79.000 |
| Disc Mounting [cntrc] | Floating |
| Discard Thickness | 0.803 |
| Discard Thickness | 20.400 |
| Misc Holes [cntrc] | 1 |
| Mounting Bolt Hole Circle Diameter | 4.724 |
| Mounting Bolt Hole Circle Diameter | 120.000 |
| Nominal Thickness | 0.866 |
| Nominal Thickness | 22.000 |
| Outside Diameter | 11.654 |
| Outside Diameter | 296.000 |
| Overall Height | 2.992 |
| Overall Height | 76.000 |
| Solid Or Vented Type Rotor | Vented |
| Stud/Lug Hole Diameter | 0.575 |
| Stud/Lug Hole Diameter | 14.600 |
| Stud/Lug Hole Quantity | 5 |
| Surface Type | Smooth |
| Vane Style [cntrc] | Straight |
| Weight [cntrc] kgs | 7.850 |
| Weight [cntrc] lbs | 17.280 |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2003 | BMW | 525i | Front | C-TEK Standard Disc Brake Rotors |
| 2002 | BMW | 525i | Front | C-TEK Standard Disc Brake Rotors |
| 2001 | BMW | 525i | Front | C-TEK Standard Disc Brake Rotors |
| 2000 | BMW | 528i | Front | C-TEK Standard Disc Brake Rotors |
| 1999 | BMW | 528i | Front | C-TEK Standard Disc Brake Rotors |
| 1998 | BMW | 528i | Front | C-TEK Standard Disc Brake Rotors |
| 1997 | BMW | 528i | Front | C-TEK Standard Disc Brake Rotors |
| 1996 | BMW | 528i | Front | C-TEK Standard Disc Brake Rotors |
* 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.