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Centric 121.62168 Disc Brake Rotor - Front
Reliable Disc Brake Rotor for Buick and Cadillac Models
The Centric C-TEK Standard Disc Brake Rotor 121.62168 is engineered to provide consistent braking performance for select Buick and Cadillac vehicles. Designed specifically for the Buick Regal Sportback and Cadillac ELR, this rotor meets OEM specifications to ensure proper fit and function.
- Compatible with Buick Regal Sportback and Cadillac ELR
- Part Number: 121.62168
- Vented disc brake rotor with smooth surface finish
- Nominal thickness of 1.181 inches (30.000 mm)
- Outside diameter of 13.583 inches (345.000 mm)
- Floating disc mounting design
- 5 stud/lug holes with 0.563 inch (14.300 mm) diameter
- Overall height of 1.791 inches (45.500 mm)
- OEM vane count of 51 for effective heat dissipation
About the C-TEK Standard Disc Brake Rotors Line
The C-TEK Standard Disc Brake Rotors line by Centric offers rotors manufactured to meet or exceed OEM standards. This product line focuses on delivering reliable braking performance with precise fitment and durability. The 121.62168 rotor features a vented design to improve heat dissipation and reduce brake fade, making it suitable for daily driving conditions on compatible Buick and Cadillac models.
Product Specifications and Features
This vented disc brake rotor has a nominal thickness of 1.181 inches (30.000 mm) and a discard thickness of 1.063 inches (27.000 mm), ensuring a long service life before replacement is necessary. The rotor's outside diameter measures 13.583 inches (345.000 mm), with an overall height of 1.791 inches (45.500 mm). It includes a floating disc mounting design and a center hole diameter of 2.776 inches (70.500 mm). The rotor has five stud/lug holes, each with a diameter of 0.563 inches (14.300 mm), and a mounting bolt hole circle diameter of 4.528 inches (115.000 mm). The smooth surface type and vented vane style with 51 OEM vanes help maintain optimal braking performance by dissipating heat efficiently.
Common Applications and Problem Solving
- Replacement for worn or warped rotors on Buick Regal Sportback and Cadillac ELR
- Addresses brake pulsation and vibration issues
- Improves braking consistency and pedal feel
- Helps reduce brake fade during extended use
- Restores proper rotor thickness for safe braking performance
Installation Notes and Tips
Ensure the rotor is compatible with your vehicle's make and model before installation. The Centric 121.62168 rotor does not include bearings or ABS tone rings, so verify these components separately if required. Properly clean the rotor surface before installation to remove any protective coatings. Use a torque wrench to tighten lug nuts to manufacturer specifications to avoid rotor warping.
Quality Assurance and Warranty
Centric manufactures the C-TEK Standard Disc Brake Rotors to meet OEM quality standards. While specific warranty details are not provided here, Centric products typically come with a limited warranty against defects in materials and workmanship. Refer to Centric's official documentation for complete warranty information.
| Brand | Centric |
|---|---|
| Part Number | 121.62168 |
| Position | C-TEK Standard Disc Brake Rotors, Front |
| Discard Thickness | 1.063 |
| Discard Thickness | 27.000 |
| Nominal Thickness | 1.181 |
| Nominal Thickness | 30.000 |
| Overall Height | 1.791 |
| Overall Height | 45.500 |
| Outside Diameter | 13.583 |
| Outside Diameter | 345.000 |
| ABS Tone Ring Included | No |
| Surface Type | Smooth |
| Solid Or Vented Type Rotor | Vented |
| Bearings Included | No |
| Center Hole Diameter | 2.776 |
| Center Hole Diameter | 70.500 |
| Mounting Bolt Hole Circle Diameter | 115.000 |
| Mounting Bolt Hole Circle Diameter | 4.528 |
| Stud/Lug Hole Quantity | 5 |
| Stud/Lug Hole Diameter | 0.563 |
| Stud/Lug Hole Diameter | 14.300 |
| Disc Mounting [cntrc] | Floating |
| Hat ID [cntrc] in | 6.256 |
| Hat ID [cntrc] mm | 158.900 |
| Misc Holes [cntrc] | 1 |
| OEM Vane Count [cntrc] | 51 |
| Vane Style [cntrc] | Vented |
| Weight [cntrc] kgs | 11.780 |
| Weight [cntrc] lbs | 25.900 |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2020 | Buick | Regal Sportback | GS | Front | 345mm Front Disc; Brembo Brakes; C-TEK Standard Disc Brake Rotors |
| 2019 | Buick | Regal Sportback | GS | Front | 345mm Front Disc; Brembo Brakes; C-TEK Standard Disc Brake Rotors |
| 2018 | Buick | Regal Sportback | GS | Front | 345mm Front Disc; Brembo Brakes; C-TEK Standard Disc Brake Rotors |
| 2016 | Cadillac | ELR | Front | w/ Performance Brakes; 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.