HomeBrake > Drums and RotorsCentric 121.62168 Disc Brake Rotor - Front
Part #: 121.62168

Centric 121.62168 Disc Brake Rotor - Front

C-TEK Standard Disc Brake Rotors, Front
4 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
C-TEK Standard Disc Brake Rotors, Front
Fitment: Buick and Cadillac, ELR and Regal Sportback
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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.

BrandCentric
Part Number121.62168
PositionC-TEK Standard Disc Brake Rotors, Front
Discard Thickness1.063
Discard Thickness27.000
Nominal Thickness1.181
Nominal Thickness30.000
Overall Height1.791
Overall Height45.500
Outside Diameter13.583
Outside Diameter345.000
ABS Tone Ring IncludedNo
Surface TypeSmooth
Solid Or Vented Type RotorVented
Bearings IncludedNo
Center Hole Diameter2.776
Center Hole Diameter70.500
Mounting Bolt Hole Circle Diameter115.000
Mounting Bolt Hole Circle Diameter4.528
Stud/Lug Hole Quantity5
Stud/Lug Hole Diameter0.563
Stud/Lug Hole Diameter14.300
Disc Mounting [cntrc]Floating
Hat ID [cntrc] in6.256
Hat ID [cntrc] mm158.900
Misc Holes [cntrc]1
OEM Vane Count [cntrc]51
Vane Style [cntrc]Vented
Weight [cntrc] kgs11.780
Weight [cntrc] lbs25.900

This part fits 4 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
2020BuickRegal SportbackGSFront345mm Front Disc; Brembo Brakes; C-TEK Standard Disc Brake Rotors
2019BuickRegal SportbackGSFront345mm Front Disc; Brembo Brakes; C-TEK Standard Disc Brake Rotors
2018BuickRegal SportbackGSFront345mm Front Disc; Brembo Brakes; C-TEK Standard Disc Brake Rotors
2016CadillacELRFrontw/ 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:

121.6216841336

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.