HomeBrake > Drums and RotorsCentric 121.50031 Disc Brake Rotor - Rear
Part #: 121.50031

Centric 121.50031 Disc Brake Rotor - Rear

C-TEK Standard Disc Brake Rotors, Rear
6 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
C-TEK Standard Disc Brake Rotors, Rear
Fitment: Kia, Sorento
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

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.

BrandCentric
Part Number121.50031
PositionC-TEK Standard Disc Brake Rotors, Rear
ABS Tone Ring IncludedNo
Bearings IncludedNo
Center Hole Diameter2.717
Center Hole Diameter69.000
Disc Mounting [cntrc]Floating / DIH
Discard Thickness0.370
Discard Thickness9.400
Hat ID [cntrc] in7.476
Hat ID [cntrc] mm189.900
Max PB Drum Dia [cntrc] in7.520
Max PB Drum Dia [cntrc] mm191.000
Misc Holes [cntrc]3
Mounting Bolt Hole Circle Diameter4.508
Mounting Bolt Hole Circle Diameter114.500
Nominal Drum Diameter7.476
Nominal Drum Diameter189.900
Nominal Thickness0.433
Nominal Thickness11.000
Outside Diameter12.008
Outside Diameter305.000
Overall Height2.819
Overall Height71.600
Solid Or Vented Type RotorSolid
Stud/Lug Hole Diameter0.496
Stud/Lug Hole Diameter12.600
Stud/Lug Hole Quantity5
Surface TypeSmooth
Weight [cntrc] kgs6.360
Weight [cntrc] lbs14.000

This part fits 6 vehicles. Search below:

YearMakeModelPositionNotes
2020KiaSorentoRearC-TEK Standard Disc Brake Rotors
2019KiaSorentoRearC-TEK Standard Disc Brake Rotors
2018KiaSorentoRearC-TEK Standard Disc Brake Rotors
2017KiaSorentoRearC-TEK Standard Disc Brake Rotors
2016KiaSorentoRearC-TEK Standard Disc Brake Rotors
2015KiaSorentoRearC-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.