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Centric 121.62111 Disc Brake Rotor - Rear
Overview of Centric C-TEK Standard Disc Brake Rotor 121.62111
The Centric C-TEK Standard Disc Brake Rotor 121.62111 is engineered for reliable braking performance on Pontiac G8 vehicles. Designed as a vented rotor with a smooth surface, it offers consistent heat dissipation and durability for everyday driving conditions.
- Compatible with Pontiac G8 models
- Vented disc brake rotor design for improved cooling
- Overall diameter of 11.906 inches (302.4 mm)
- Nominal thickness of 0.866 inches (22.0 mm) with discard thickness at 0.787 inches (20.0 mm)
- Curved vane style for efficient airflow
- 5 lug holes with a 4.724 inch (120 mm) bolt circle diameter
- Center hole diameter of 2.654 inches (67.4 mm)
- Weight approximately 15.65 lbs (7.11 kgs)
- ABS tone ring not included
Product Line Details: C-TEK Standard Disc Brake Rotors
The C-TEK Standard Disc Brake Rotors line by Centric focuses on providing OEM-quality replacement rotors that meet or exceed factory specifications. This product line emphasizes precise fitment and consistent braking performance, making it suitable for routine maintenance and repair on vehicles like the Pontiac G8. The rotors feature vented construction and smooth surfaces to balance heat dissipation and pad wear.
Technical Specifications and Features
This Centric rotor features a vented design with curved vanes that enhance airflow to reduce heat buildup during braking. The nominal thickness of 0.866 inches (22.0 mm) ensures structural integrity, while the discard thickness of 0.787 inches (20.0 mm) indicates the minimum safe thickness before replacement is necessary. The rotor’s overall height measures 2.197 inches (55.8 mm), and it mounts using five lug holes spaced on a 4.724 inch (120 mm) bolt circle diameter. The center hole diameter of 2.654 inches (67.4 mm) allows for proper hub fitment. This rotor does not include an ABS tone ring or bearings, so those components must be sourced separately if required.
Common Applications and Problem Solving
- Replacement for worn or warped rotors on Pontiac G8
- Addresses brake pulsation and vibration issues
- Restores braking efficiency and pedal feel
- Prevents overheating and brake fade during normal driving
- Suitable for routine maintenance and brake system rebuilds
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 safe mounting
- Inspect wheel bearings and hub assembly during installation
Quality Assurance and Warranty
Centric manufactures the C-TEK Standard Disc Brake Rotors to meet strict quality standards, ensuring reliable performance and fitment for Pontiac G8 vehicles. While specific warranty details are not provided here, Centric typically offers coverage against defects in materials and workmanship. It is recommended to consult the product packaging or Centric’s official documentation for exact warranty terms.
| Brand | Centric |
|---|---|
| Part Number | 121.62111 |
| Position | C-TEK Standard Disc Brake Rotors, Rear |
| ABS Tone Ring Included | No |
| Bearings Included | No |
| Center Hole Diameter | 2.654 |
| Center Hole Diameter | 67.400 |
| Disc Mounting [cntrc] | Floating / DIH |
| Discard Thickness | 0.787 |
| Discard Thickness | 20.000 |
| Misc Holes [cntrc] | 1 |
| Mounting Bolt Hole Circle Diameter | 4.724 |
| Mounting Bolt Hole Circle Diameter | 120.000 |
| Nominal Drum Diameter | 7.480 |
| Nominal Drum Diameter | 190.000 |
| Nominal Thickness | 0.866 |
| Nominal Thickness | 22.000 |
| Outside Diameter | 11.906 |
| Outside Diameter | 302.400 |
| Overall Height | 2.197 |
| Overall Height | 55.800 |
| Solid Or Vented Type Rotor | Vented |
| Stud/Lug Hole Diameter | 0.638 |
| Stud/Lug Hole Diameter | 16.200 |
| Stud/Lug Hole Quantity | 5 |
| Surface Type | Smooth |
| Vane Style [cntrc] | Curved |
| Weight [cntrc] kgs | 7.110 |
| Weight [cntrc] lbs | 15.650 |
This part fits 2 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2009 | Pontiac | G8 | 3.6L | V6 | Rear | 302mm dia; C-TEK Standard Disc Brake Rotors |
| 2008 | Pontiac | G8 | 3.6L | V6 | Rear | 302mm dia; 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.