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Centric 121.51045 Disc Brake Rotor - Rear
Overview of Centric C-TEK Standard Disc Brake Rotor 121.51045
The Centric C-TEK Standard Disc Brake Rotor 121.51045 is engineered for reliable braking performance on select Genesis, Hyundai, and Kia vehicles. Designed as a solid rotor with a smooth surface, it meets OEM specifications to ensure consistent stopping power and durability.
- Compatible with Genesis G80, G90, Genesis, and Kia K900 models
- Solid disc brake rotor with smooth surface finish
- Nominal thickness of 0.512 inches (13.000 mm) and discard thickness of 0.449 inches (11.400 mm)
- Overall height of 2.402 inches (61.000 mm) and outside diameter of 12.362 inches (314.000 mm)
- Five stud/lug holes with 0.492 inch (12.500 mm) diameter and 4.500 inch (114.300 mm) bolt circle diameter
- Center hole diameter of 2.717 inches (69.000 mm)
- Does not include ABS tone ring or bearings
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 solid rotors with smooth surfaces that deliver consistent braking performance for daily driving conditions. The 121.51045 rotor is part of this line, ensuring compatibility and reliable operation for Genesis, Hyundai, and Kia vehicles requiring a solid rotor design.
Technical Specifications and Features
This disc brake rotor features a nominal thickness of 0.512 inches (13.000 mm) and a discard thickness of 0.449 inches (11.400 mm), indicating the minimum thickness before replacement is necessary. The rotor’s overall height measures 2.402 inches (61.000 mm), with an outside diameter of 12.362 inches (314.000 mm), providing the correct dimensions for proper fitment. It includes five stud/lug holes sized at 0.492 inches (12.500 mm) diameter arranged on a 4.500 inch (114.300 mm) bolt circle diameter. The center hole diameter is 2.717 inches (69.000 mm). This rotor is solid rather than vented and does not include an ABS tone ring or bearings, which should be sourced separately if required.
Common Applications and Problem Solving
- Replacement for worn or warped rotors causing brake pulsation or noise
- Restores proper rotor thickness to maintain braking efficiency
- Addresses uneven brake pad wear due to rotor surface imperfections
- Eliminates vibration issues related to rotor runout
- Ensures safe braking performance on Genesis G80, G90, Genesis, and Kia K900 vehicles
Installation Notes and Tips
- Verify rotor thickness before installation to ensure it meets minimum discard thickness
- Clean rotor surface and hub mounting area to prevent runout and vibration
- Use proper torque specifications on lug nuts to avoid rotor warping
- Check compatibility with vehicle ABS system as this rotor does not include an ABS tone ring
- Inspect brake pads and replace if necessary to ensure optimal braking performance
Quality Assurance and Warranty
Centric manufactures the C-TEK Standard Disc Brake Rotors to meet strict quality standards, ensuring durability and consistent performance. While specific warranty details for part number 121.51045 are not provided here, Centric typically offers limited warranties covering 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 | 121.51045 |
| Position | C-TEK Standard Disc Brake Rotors, Rear |
| ABS Tone Ring Included | No |
| Bearings Included | No |
| Center Hole Diameter | 2.717 |
| Center Hole Diameter | 69.000 |
| Disc Mounting [cntrc] | Floating / DIH |
| Discard Thickness | 0.449 |
| Discard Thickness | 11.400 |
| Max PB Drum Dia [cntrc] in | 7.520 |
| Max PB Drum Dia [cntrc] mm | 191.000 |
| Misc Holes [cntrc] | 3 |
| Mounting Bolt Hole Circle Diameter | 4.500 |
| Mounting Bolt Hole Circle Diameter | 114.300 |
| Nominal Drum Diameter | 7.480 |
| Nominal Drum Diameter | 190.000 |
| Nominal Thickness | 0.512 |
| Nominal Thickness | 13.000 |
| Outside Diameter | 12.362 |
| Outside Diameter | 314.000 |
| Overall Height | 2.402 |
| Overall Height | 61.000 |
| Solid Or Vented Type Rotor | Solid |
| Stud/Lug Hole Diameter | 0.492 |
| Stud/Lug Hole Diameter | 12.500 |
| Stud/Lug Hole Quantity | 5 |
| Surface Type | Smooth |
| Weight [cntrc] kgs | 6.570 |
| Weight [cntrc] lbs | 14.450 |
This part fits 19 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2022 | Genesis | G90 | Rear | C-TEK Standard Disc Brake Rotors | ||
| 2021 | Genesis | G90 | Rear | C-TEK Standard Disc Brake Rotors | ||
| 2020 | Genesis | G80 | 5.0L | V8 | Rear | C-TEK Standard Disc Brake Rotors |
| 2020 | Genesis | G80 | 3.8L | V6 | Rear | C-TEK Standard Disc Brake Rotors |
| 2020 | Genesis | G90 | Rear | C-TEK Standard Disc Brake Rotors | ||
| 2019 | Genesis | G80 | 5.0L | V8 | Rear | C-TEK Standard Disc Brake Rotors |
| 2019 | Genesis | G80 | 3.8L | V6 | Rear | C-TEK Standard Disc Brake Rotors |
| 2018 | Genesis | G80 | 5.0L | V8 | Rear | C-TEK Standard Disc Brake Rotors |
| 2018 | Genesis | G80 | 3.8L | V6 | Rear | C-TEK Standard Disc Brake Rotors |
| 2017 | Genesis | G80 | 5.0L | V8 | Rear | C-TEK Standard Disc Brake Rotors |
| 2017 | Genesis | G80 | 3.8L | V6 | Rear | C-TEK Standard Disc Brake Rotors |
| 2017 | Kia | K900 | 3.8L | V6 | Rear | C-TEK Standard Disc Brake Rotors |
| 2016 | Hyundai | Genesis | Rear | C-TEK Standard Disc Brake Rotors | ||
| 2015 | Hyundai | Genesis | Rear | C-TEK Standard Disc Brake Rotors | ||
| 2014 | Hyundai | Genesis | Rear | C-TEK Standard Disc Brake Rotors | ||
| 2013 | Hyundai | Genesis | Rear | C-TEK Standard Disc Brake Rotors | ||
| 2012 | Hyundai | Genesis | Rear | C-TEK Standard Disc Brake Rotors | ||
| 2011 | Hyundai | Genesis | Rear | C-TEK Standard Disc Brake Rotors | ||
| 2010 | Hyundai | Genesis | Rear | Fr 2/23/10; 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.