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Centric 121.50031 Disc Brake Rotor - Rear
Overview of Centric C-TEK Standard Disc Brake Rotor 121.50031
The Centric C-TEK Standard Disc Brake Rotor 121.50031 is engineered for reliable braking performance on Kia Sorento models. Designed as a solid, smooth-surface rotor, it meets precise specifications to ensure consistent stopping power and durability.
- Compatible with Kia Sorento vehicles
- Part number 121.50031 for exact fitment
- Solid disc brake rotor with smooth surface finish
- Outside diameter of 12.008 inches (305 mm)
- Nominal thickness of 0.433 inches (11.000 mm)
- Discard thickness at 0.370 inches (9.400 mm)
- Overall height of 2.819 inches (71.600 mm)
- Five lug holes with 0.496 inch (12.600 mm) diameter
- Mounting bolt hole circle diameter of 4.508 inches (114.500 mm)
- Center hole diameter of 2.717 inches (69.000 mm)
- Weight approximately 14 lbs (6.360 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 specifications for standard braking applications. This product line focuses on providing solid rotors with smooth surfaces that deliver consistent braking performance and durability. The 121.50031 rotor is part of this line, ensuring compatibility and reliable operation for Kia Sorento vehicles requiring a direct replacement rotor.
Detailed Product Description
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's outside diameter measures 12.008 inches (305 mm), with a nominal thickness of 0.433 inches (11.000 mm) and a discard thickness of 0.370 inches (9.400 mm), indicating when replacement is necessary. The overall height is 2.819 inches (71.600 mm), and it includes five lug holes sized at 0.496 inches (12.600 mm) diameter arranged on a 4.508 inch (114.500 mm) bolt circle. The center hole diameter is 2.717 inches (69.000 mm), ensuring proper mounting on the hub. This rotor does not include bearings or an ABS tone ring, making it suitable for specific Kia Sorento brake configurations.
Common Applications and Issues Addressed
- Replacement for worn or warped rotors on Kia Sorento models
- Resolves brake pulsation and vibration issues
- Addresses reduced braking efficiency due to rotor wear
- Eliminates noise caused by uneven rotor surfaces
- Restores proper rotor thickness for safe braking performance
Installation Notes and Tips
- Verify compatibility with your Kia Sorento model year before installation
- Ensure rotor thickness is within discard limits before reuse
- Clean mounting surfaces to prevent rotor runout
- Torque lug nuts to manufacturer specifications for safety
- Check brake pads for wear and replace if necessary during rotor installation
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 121.50031 are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. It is recommended to consult Centric or authorized distributors for exact warranty terms related to this rotor.
| Brand | Centric |
|---|---|
| Part Number | 121.50031 |
| 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 | 0.370 |
| Discard Thickness | 9.400 |
| Hat ID [cntrc] in | 7.476 |
| Hat ID [cntrc] mm | 189.900 |
| 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 | 4.508 |
| Mounting Bolt Hole Circle Diameter | 114.500 |
| Nominal Drum Diameter | 7.476 |
| Nominal Drum Diameter | 189.900 |
| Nominal Thickness | 0.433 |
| Nominal Thickness | 11.000 |
| Outside Diameter | 12.008 |
| Outside Diameter | 305.000 |
| Overall Height | 2.819 |
| Overall Height | 71.600 |
| Solid Or Vented Type Rotor | Solid |
| Stud/Lug Hole Diameter | 0.496 |
| Stud/Lug Hole Diameter | 12.600 |
| Stud/Lug Hole Quantity | 5 |
| Surface Type | Smooth |
| Weight [cntrc] kgs | 6.360 |
| Weight [cntrc] lbs | 14.000 |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2020 | Kia | Sorento | Rear | C-TEK Standard Disc Brake Rotors |
| 2019 | Kia | Sorento | Rear | C-TEK Standard Disc Brake Rotors |
| 2018 | Kia | Sorento | Rear | C-TEK Standard Disc Brake Rotors |
| 2017 | Kia | Sorento | Rear | C-TEK Standard Disc Brake Rotors |
| 2016 | Kia | Sorento | Rear | C-TEK Standard Disc Brake Rotors |
| 2015 | Kia | Sorento | 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.