OE Quality
60-Day Returns

Centric 121.51012 Disc Brake Rotor - Rear
Overview of Centric C-TEK Standard Disc Brake Rotor 121.51012
The Centric C-TEK Standard Disc Brake Rotor 121.51012 is engineered for reliable braking performance on Hyundai and Kia vehicles. Designed specifically for models like the Hyundai Santa Fe, Kia Sportage, and Tucson, this solid rotor meets precise specifications to ensure proper fit and function.
- Compatible with Hyundai Santa Fe, Kia Sportage, and Tucson
- Part Number: 121.51012
- Solid disc brake rotor with smooth surface finish
- Outside diameter: 11.173 inches (283.8 mm)
- Nominal thickness: 0.394 inches (10.0 mm)
- Discard thickness: 0.331 inches (8.4 mm)
- Overall height: 2.402 inches (61.0 mm)
- 5 lug holes with 0.492 inch (12.5 mm) diameter
- Center hole diameter: 2.992 inches (76.0 mm)
- Mounting bolt hole circle diameter: 4.5 inches (114.3 mm)
- Weight approximately 10.5 lbs (4.77 kgs)
Product Line Details: C-TEK Standard Disc Brake Rotors
The C-TEK Standard Disc Brake Rotors line by Centric offers rotors designed to meet or exceed OEM specifications for standard braking applications. This product line focuses on providing solid rotors with smooth surfaces, ensuring consistent braking performance and durability. The 121.51012 rotor is part of this line, delivering dependable stopping power for Hyundai and Kia vehicles requiring a direct replacement rotor.
Technical Description and Specifications
This Centric disc brake rotor features a solid design with a smooth surface type, optimized for standard braking systems without ABS tone rings. The rotor measures 11.173 inches in outside diameter and has a nominal thickness of 0.394 inches, with a discard thickness of 0.331 inches, indicating when replacement is necessary. The overall height is 2.402 inches, and it includes five lug holes sized at 0.492 inches diameter on a 4.5-inch bolt circle. The center hole diameter is 2.992 inches, ensuring proper hub fitment. Weighing approximately 10.5 pounds, this rotor balances durability and ease of installation.
Applications and Problem Solving
- Replacement for worn or warped rotors on Hyundai Santa Fe, Kia Sportage, and Tucson
- Addresses brake pulsation and vibration issues caused by uneven rotor surfaces
- Restores proper rotor thickness to maintain braking efficiency and safety
- Eliminates noise and squealing related to damaged or uneven rotors
- Ensures compatibility with standard braking systems without ABS tone rings
Installation Notes and Tips
- Verify rotor thickness before installation; replace if below discard thickness of 0.331 inches
- Ensure mounting surfaces and hub are clean and free of debris for proper fit
- Torque lug nuts to manufacturer specifications to avoid rotor warping
- Check for proper alignment of the 5 lug holes and center hole diameter (2.992 inches)
- Inspect brake pads and hardware during rotor replacement for optimal performance
Quality Assurance and Warranty
Centric C-TEK Standard Disc Brake Rotors are manufactured to meet OEM standards for fit, form, and function. While specific warranty details for part number 121.51012 are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. Users should consult product documentation or Centric directly for warranty terms related to this rotor.
| Brand | Centric |
|---|---|
| Part Number | 121.51012 |
| Position | C-TEK Standard Disc Brake Rotors, Rear |
| ABS Tone Ring Included | No |
| Bearings Included | No |
| Center Hole Diameter | 2.992 |
| Center Hole Diameter | 76.000 |
| Disc Mounting [cntrc] | Floating / DIH |
| Discard Thickness | 0.331 |
| Discard Thickness | 8.400 |
| 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 | 0.394 |
| Nominal Thickness | 10.000 |
| Outside Diameter | 11.173 |
| Outside Diameter | 283.800 |
| 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 | 4.770 |
| Weight [cntrc] lbs | 10.500 |
This part fits 31 vehicles. Search below:
| Year | Make | Model | Drive Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2016 | Kia | Sportage | AWD | Rear | C-TEK Standard Disc Brake Rotors | ||
| 2015 | Hyundai | Tucson | AWD | Rear | C-TEK Standard Disc Brake Rotors | ||
| 2015 | Kia | Sportage | AWD | Rear | C-TEK Standard Disc Brake Rotors | ||
| 2014 | Hyundai | Tucson | AWD | Rear | C-TEK Standard Disc Brake Rotors | ||
| 2014 | Kia | Sportage | AWD | Rear | C-TEK Standard Disc Brake Rotors | ||
| 2013 | Hyundai | Tucson | AWD | Rear | C-TEK Standard Disc Brake Rotors | ||
| 2013 | Kia | Sportage | AWD | Rear | C-TEK Standard Disc Brake Rotors | ||
| 2012 | Hyundai | Tucson | AWD | Rear | Fr 1/12; C-TEK Standard Disc Brake Rotors | ||
| 2012 | Kia | Sportage | AWD | Rear | C-TEK Standard Disc Brake Rotors | ||
| 2011 | Hyundai | Tucson | AWD | Rear | To 12/11; C-TEK Standard Disc Brake Rotors | ||
| 2011 | Kia | Sportage | AWD | Rear | C-TEK Standard Disc Brake Rotors | ||
| 2010 | Hyundai | Tucson | AWD | Rear | C-TEK Standard Disc Brake Rotors | ||
| 2010 | Kia | Sportage | AWD | Rear | C-TEK Standard Disc Brake Rotors | ||
| 2009 | Hyundai | Tucson | 4WD | Rear | C-TEK Standard Disc Brake Rotors | ||
| 2009 | Kia | Sportage | AWD | Rear | C-TEK Standard Disc Brake Rotors | ||
| 2008 | Hyundai | Tucson | 4WD | Rear | C-TEK Standard Disc Brake Rotors | ||
| 2008 | Kia | Sportage | AWD | Rear | C-TEK Standard Disc Brake Rotors | ||
| 2007 | Hyundai | Tucson | 4WD | Rear | C-TEK Standard Disc Brake Rotors | ||
| 2007 | Kia | Sportage | AWD | Rear | C-TEK Standard Disc Brake Rotors | ||
| 2006 | Hyundai | Santa Fe | Rear | C-TEK Standard Disc Brake Rotors | |||
| 2006 | Hyundai | Tucson | 4WD | Rear | C-TEK Standard Disc Brake Rotors | ||
| 2006 | Kia | Sportage | AWD | Rear | C-TEK Standard Disc Brake Rotors | ||
| 2005 | Hyundai | Santa Fe | Rear | C-TEK Standard Disc Brake Rotors | |||
| 2005 | Hyundai | Tucson | 4WD | Rear | C-TEK Standard Disc Brake Rotors | ||
| 2005 | Kia | Sportage | AWD | Rear | C-TEK Standard Disc Brake Rotors | ||
| 2004 | Hyundai | Santa Fe | Rear | C-TEK Standard Disc Brake Rotors | |||
| 2003 | Hyundai | Santa Fe | Rear | C-TEK Standard Disc Brake Rotors | |||
| 2002 | Hyundai | Santa Fe | 2.7L | V6 | Rear | C-TEK Standard Disc Brake Rotors | |
| 2002 | Hyundai | Santa Fe | 2.4L | L4 | Rear | C-TEK Standard Disc Brake Rotors | |
| 2001 | Hyundai | Santa Fe | 2.7L | V6 | Rear | C-TEK Standard Disc Brake Rotors | |
| 2001 | Hyundai | Santa Fe | 2.4L | L4 | 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.