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Centric 120.45072 Disc Brake Rotor - Rear
Overview of Centric Premium Disc Brake Rotor 120.45072
The Centric Premium Disc Brake Rotor 120.45072 is engineered for Mazda RX-8 vehicles, providing reliable braking performance with precise fitment. Designed as a vented, floating rotor, it ensures effective heat dissipation and consistent stopping power under various driving conditions.
- Compatible with Mazda RX-8 models
- Vented disc brake rotor design for improved cooling
- Floating mounting type for enhanced rotor alignment
- Coated hat finish to resist corrosion
- 5 bolt holes with 114.3 mm bolt circle diameter
- Nominal thickness of 18.2 mm and discard thickness of 16 mm
- Outside diameter of 301 mm (11.85 inches)
- Smooth surface type for consistent pad contact
Product Line Details: Centric Premium Disc Brake Rotors
The Centric Premium Disc Brake Rotors line focuses on delivering rotors that meet or exceed OEM specifications. This product line emphasizes precision manufacturing and quality materials, offering vented rotors with corrosion-resistant coatings. The 120.45072 rotor benefits from this line’s attention to durability and performance, making it suitable for Mazda RX-8 owners seeking a direct replacement rotor with reliable braking characteristics.
Technical Specifications and Features
This disc brake rotor features a vented design that promotes airflow to reduce heat buildup during braking. The floating mounting type allows slight movement between the rotor and hub, which helps maintain proper alignment and reduces uneven wear. The rotor’s hat is coated to protect against rust and corrosion, extending service life. With a nominal thickness of 18.2 mm and a discard thickness of 16 mm, this rotor provides a clear service limit to ensure safety. The rotor measures 301 mm in outside diameter and includes five bolt holes arranged on a 114.3 mm bolt circle diameter, matching Mazda RX-8 factory specifications.
Common Applications and Problem Solving
- Replacement for worn or warped rotors on Mazda RX-8
- Addresses brake pulsation caused by uneven rotor surfaces
- Improves heat dissipation to reduce brake fade during aggressive driving
- Restores proper rotor thickness for consistent braking performance
- Prevents corrosion-related rotor damage with coated hat finish
Installation Notes and Tips
- Ensure rotor thickness is above discard thickness (16 mm) before installation
- Clean mounting surfaces to prevent rotor runout
- Use proper torque specifications for the 5 mounting bolts on the 114.3 mm bolt circle
- Check compatibility with existing brake pads and hardware
- Inspect hub and wheel bearings as bearings are not included with this rotor
Quality Assurance and Warranty
Centric Premium Disc Brake Rotors are manufactured to meet strict quality standards, ensuring consistent performance and durability. While specific warranty details for part number 120.45072 are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. It is recommended to consult product documentation or the manufacturer for exact warranty terms.
| Brand | Centric |
|---|---|
| Part Number | 120.45072 |
| Position | Centric Premium Disc Brake Rotors, Rear |
| 114.3 | |
| ABS Tone Ring Included | No |
| Bearings Included | No |
| Bolt Hole Quantity | 5 |
| Center Hole Diameter | 2.835 |
| Center Hole Diameter | 72.000 |
| Disc Mounting [cntrc] | Floating |
| Discard Thickness | 0.630 |
| Discard Thickness | 16 |
| Discard Thickness | 16.000 |
| Hat Finish | Coated |
| Height | 44.2 |
| Hub Hole/Whl Reg mm | 72 |
| Misc Holes [cntrc] | 1 |
| Mounting Bolt Hole Circle Diameter | 4.500 |
| Mounting Bolt Hole Circle Diameter | 114.300 |
| Mounting Type | Floating |
| Nominal Thickness | 0.717 |
| Nominal Thickness | 18.2 |
| Nominal Thickness | 18.200 |
| Outside Diameter | 11.850 |
| Outside Diameter | 301 |
| Outside Diameter | 301.000 |
| Overall Height | 1.740 |
| Overall Height | 44.200 |
| Solid Or Vented Type Rotor | Vented |
| Stud/Lug Hole Diameter | 0.516 |
| Stud/Lug Hole Diameter | 13.100 |
| Stud/Lug Hole Quantity | 5 |
| Surface Type | Smooth |
| Vane Style | Straight |
| Vane Style [cntrc] | Straight |
| Weight [cntrc] kgs | 5.450 |
| Weight [cntrc] lbs | 12.000 |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2011 | Mazda | RX-8 | Rear | Centric Premium Disc Brake Rotors |
| 2010 | Mazda | RX-8 | Rear | Centric Premium Disc Brake Rotors |
| 2009 | Mazda | RX-8 | Rear | Centric Premium Disc Brake Rotors |
| 2008 | Mazda | RX-8 | Rear | Centric Premium Disc Brake Rotors |
| 2007 | Mazda | RX-8 | Rear | Centric Premium Disc Brake Rotors |
| 2006 | Mazda | RX-8 | Rear | Centric Premium Disc Brake Rotors |
| 2005 | Mazda | RX-8 | Rear | Centric Premium Disc Brake Rotors |
| 2004 | Mazda | RX-8 | Rear | Centric Premium 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.