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Centric 121.62174 Disc Brake Rotor - Front
Reliable Disc Brake Rotor for Buick and Cadillac Models
The Centric C-TEK Standard Disc Brake Rotor 121.62174 is engineered to meet the braking demands of Buick Enclave and Cadillac XT5 and XT6 vehicles. Designed with precision, this vented rotor ensures consistent performance and durability under various driving conditions.
- Compatible with Buick Enclave, Cadillac XT5, and XT6
- Part number 121.62174 for exact fitment
- Vented disc design with 51 straight vanes for effective heat dissipation
- Nominal thickness of 1.181 inches (30.000 mm) and discard thickness of 1.063 inches (27.000 mm)
- Outside diameter of 13.583 inches (345.000 mm) for proper wheel clearance
- Floating disc mounting and smooth surface type for reliable braking
- 6 stud/lug holes with 0.618 inch (15.700 mm) diameter for secure installation
About the C-TEK Standard Disc Brake Rotors Line
The C-TEK Standard Disc Brake Rotors line by Centric offers rotors designed to meet OEM specifications for standard braking applications. This product line focuses on delivering rotors with precise dimensions, vented designs for improved cooling, and smooth surfaces to ensure consistent pad contact. The 121.62174 rotor exemplifies these qualities, providing a dependable replacement option for select Buick and Cadillac models.
Technical Specifications and Features
This disc brake rotor features a vented design with 51 straight vanes, which enhances airflow and heat dissipation during braking. The rotor has a nominal thickness of 1.181 inches (30.000 mm) and a discard thickness of 1.063 inches (27.000 mm), indicating when replacement is necessary to maintain safe braking performance. The overall height measures 2.012 inches (51.100 mm), and the outside diameter is 13.583 inches (345.000 mm), ensuring compatibility with the specified vehicle models. The rotor includes a floating disc mounting system and a smooth surface type, which supports consistent brake pad engagement and reduces noise. It does not include an ABS tone ring or bearings.
Common Applications and Problem Solving
- Replacement for worn or warped rotors causing brake pulsation
- Addressing reduced braking efficiency due to rotor thickness below discard limits
- Resolving noise or vibration issues from uneven rotor surfaces
- Upgrading to a vented rotor for improved heat management in daily driving
- Ensuring proper fitment for Buick Enclave and Cadillac XT5/XT6 brake systems
Installation Notes and Tips
When installing the Centric C-TEK Standard Disc Brake Rotor 121.62174, ensure the rotor surface is clean and free of any contaminants before mounting. Verify the rotor thickness is above the discard thickness specification to maintain safety. Use the 6 stud/lug holes with a diameter of 0.618 inches (15.700 mm) for secure attachment. Since this rotor does not include bearings or an ABS tone ring, reuse existing components if applicable. Proper torque specifications should be followed to avoid rotor warping.
Quality Assurance and Warranty
Centric manufactures the C-TEK Standard Disc Brake Rotors to meet or exceed OEM standards, ensuring reliable performance and durability. While specific warranty details for part number 121.62174 are not provided here, Centric typically offers coverage against defects in materials and workmanship. It is recommended to consult the product documentation or Centric directly for warranty information related to this rotor.
| Brand | Centric |
|---|---|
| Part Number | 121.62174 |
| Position | C-TEK Standard Disc Brake Rotors, Front |
| ABS Tone Ring Included | No |
| Bearings Included | No |
| Center Hole Diameter | 2.657 |
| Center Hole Diameter | 67.500 |
| Disc Mounting [cntrc] | Floating |
| Discard Thickness | 1.063 |
| Discard Thickness | 27.000 |
| Hat ID [cntrc] in | 6.291 |
| Hat ID [cntrc] mm | 159.800 |
| Misc Holes [cntrc] | 6 |
| Mounting Bolt Hole Circle Diameter | 4.724 |
| Mounting Bolt Hole Circle Diameter | 120.000 |
| Nominal Thickness | 1.181 |
| Nominal Thickness | 30.000 |
| OEM Vane Count [cntrc] | 51 |
| Outside Diameter | 13.583 |
| Outside Diameter | 345.000 |
| Overall Height | 2.012 |
| Overall Height | 51.100 |
| Solid Or Vented Type Rotor | Vented |
| Stud/Lug Hole Diameter | 0.618 |
| Stud/Lug Hole Diameter | 15.700 |
| Stud/Lug Hole Quantity | 6 |
| Surface Type | Smooth |
| Vane Style [cntrc] | Straight |
| Weight [cntrc] kgs | 11.700 |
| Weight [cntrc] lbs | 25.750 |
This part fits 18 vehicles. Search below:
| Year | Make | Model | Submodel | Drive Type | Position | Notes |
|---|---|---|---|---|---|---|
| 2025 | Cadillac | XT5 | Front | CTEK Standard Disc Brake Rotors | ||
| 2025 | Cadillac | XT6 | Front | CTEK Standard Disc Brake Rotors | ||
| 2024 | Cadillac | XT5 | Front | CTEK Standard Disc Brake Rotors | ||
| 2024 | Cadillac | XT6 | Front | CTEK Standard Disc Brake Rotors | ||
| 2023 | Cadillac | XT5 | Sport | Front | JL9; CTEK Standard Disc Brake Rotors | |
| 2023 | Cadillac | XT6 | Sport | Front | JL9; CTEK Standard Disc Brake Rotors | |
| 2022 | Cadillac | XT5 | Sport | Front | JL9; CTEK Standard Disc Brake Rotors | |
| 2022 | Cadillac | XT6 | Sport | Front | JL9; CTEK Standard Disc Brake Rotors | |
| 2021 | Cadillac | XT5 | Front | C-TEK Standard Disc Brake Rotors | ||
| 2021 | Cadillac | XT6 | Front | CTEK Standard Disc Brake Rotors | ||
| 2020 | Buick | Enclave | AWD | Front | 345mm Front Disc; JL9; C-TEK Standard Disc Brake Rotors | |
| 2020 | Cadillac | XT5 | Front | C-TEK Standard Disc Brake Rotors | ||
| 2020 | Cadillac | XT6 | Front | C-TEK Standard Disc Brake Rotors | ||
| 2019 | Buick | Enclave | AWD | Front | 345mm Front Disc; JL9; C-TEK Standard Disc Brake Rotors | |
| 2019 | Cadillac | XT5 | Front | C-TEK Standard Disc Brake Rotors | ||
| 2018 | Buick | Enclave | AWD | Front | 345mm Front Disc; JL9; C-TEK Standard Disc Brake Rotors | |
| 2018 | Cadillac | XT5 | Front | C-TEK Standard Disc Brake Rotors | ||
| 2017 | Cadillac | XT5 | Front | 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.