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Centric 121.47020 Disc Brake Rotor - Rear
Overview of Centric C-TEK Standard Disc Brake Rotor 121.47020
The Centric C-TEK Standard Disc Brake Rotor 121.47020 is engineered for reliable braking performance on Subaru Impreza models. Designed to meet OEM specifications, this vented rotor ensures consistent heat dissipation and smooth braking under various driving conditions.
- Compatible with Subaru Impreza vehicles
- Part number: 121.47020
- Vented disc brake rotor with pillar vane style for enhanced cooling
- Nominal thickness of 0.787 inches (20.000 mm) and discard thickness of 0.709 inches (18.000 mm)
- Overall height of 2.657 inches (67.500 mm) and outside diameter of 12.402 inches (315.000 mm)
- 5 lug holes with 0.500 inch (12.700 mm) diameter and 3.937 inch (100.000 mm) bolt circle diameter
- Center hole diameter of 2.283 inches (58.000 mm)
- Solid smooth surface type without ABS tone ring included
- Weight approximately 17 lbs (7.730 kgs)
About the C-TEK Standard Disc Brake Rotors Line
The C-TEK Standard Disc Brake Rotors line by Centric offers rotors designed to meet or exceed OEM standards for fit, form, and function. This product line focuses on providing reliable braking components with precise dimensions and quality materials. The 121.47020 rotor is part of this line, featuring vented construction and pillar vane design to optimize heat dissipation and maintain braking efficiency for Subaru Impreza vehicles.
Technical Details and Specifications
This disc brake rotor features a vented design with pillar-style vanes that improve airflow and cooling during braking. The nominal thickness is 0.787 inches (20.000 mm), with a discard thickness of 0.709 inches (18.000 mm), indicating when the rotor should be replaced to maintain safe braking performance. The rotor’s overall height is 2.657 inches (67.500 mm), and it has an outside diameter of 12.402 inches (315.000 mm). It includes five lug holes with a diameter of 0.500 inches (12.700 mm) arranged on a 3.937 inch (100.000 mm) bolt circle diameter. The center hole diameter measures 2.283 inches (58.000 mm). This rotor does not include an ABS tone ring or bearings and features a smooth surface type for consistent pad contact.
Applications and Problem Solving
- Replacement for worn or warped rotors on Subaru Impreza models
- Addresses brake pulsation caused by uneven rotor surfaces
- Improves heat dissipation to reduce brake fade during extended use
- Restores proper rotor thickness to maintain braking efficiency
- Compatible with vehicles requiring a vented rotor with pillar vane design
Installation Notes and Tips
- Ensure rotor thickness is above discard thickness before installation
- Clean rotor surface to remove any protective coatings or debris
- Check compatibility with existing brake pads and hardware
- Torque lug nuts to manufacturer specifications for safety
- Inspect related brake components such as calipers and pads during installation
Quality Assurance and Warranty
Centric’s C-TEK Standard Disc Brake Rotors are manufactured to meet strict quality standards, ensuring precise fitment and reliable performance. While specific warranty details for part number 121.47020 are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. It is recommended to consult product documentation or Centric directly for warranty terms related to this rotor.
| Brand | Centric |
|---|---|
| Part Number | 121.47020 |
| Position | C-TEK Standard Disc Brake Rotors, Rear |
| ABS Tone Ring Included | No |
| Bearings Included | No |
| Center Hole Diameter | 2.283 |
| Center Hole Diameter | 58.000 |
| Disc Mounting [cntrc] | Floating / DIH |
| Discard Thickness | 0.709 |
| Discard Thickness | 18.000 |
| Max PB Drum Dia [cntrc] in | 7.520 |
| Max PB Drum Dia [cntrc] mm | 191.000 |
| Misc Holes [cntrc] | 2 |
| Mounting Bolt Hole Circle Diameter | 3.937 |
| Mounting Bolt Hole Circle Diameter | 100.000 |
| Nominal Drum Diameter | 7.480 |
| Nominal Drum Diameter | 190.000 |
| Nominal Thickness | 0.787 |
| Nominal Thickness | 20.000 |
| Outside Diameter | 12.402 |
| Outside Diameter | 315.000 |
| Overall Height | 2.657 |
| Overall Height | 67.500 |
| Solid Or Vented Type Rotor | Vented |
| Stud/Lug Hole Diameter | 0.500 |
| Stud/Lug Hole Diameter | 12.700 |
| Stud/Lug Hole Quantity | 5 |
| Surface Type | Smooth |
| Vane Style [cntrc] | Pillar |
| Weight [cntrc] kgs | 7.730 |
| Weight [cntrc] lbs | 17.000 |
This part fits 1 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2004 | Subaru | Impreza | WRX STI | Rear | 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.