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Centric 121.63003 Disc Brake Rotor - Front
Reliable Disc Brake Rotor for Jeep Cherokee and Wrangler
The Centric C-TEK Standard Disc Brake Rotor 121.63003 is engineered to provide consistent braking performance for Jeep vehicles including Cherokee, Comanche, Wagoneer, and Wrangler models. Designed with precision, this vented rotor ensures effective heat dissipation and durability under demanding driving conditions.
- Compatible with Jeep Cherokee, Comanche, Wagoneer, and Wrangler
- Part Number: 121.63003
- Vented disc brake rotor with smooth surface finish
- Overall diameter of 11.016 inches (279.8 mm) for precise fitment
- Nominal thickness of 0.874 inches (22.2 mm) and discard thickness of 0.815 inches (20.7 mm)
- Floating disc mounting design with straight vane style for improved cooling
- 5 lug holes with 0.618 inch (15.7 mm) diameter and 4.5 inch (114.3 mm) bolt circle diameter
- Center hole diameter of 2.835 inches (72 mm) for accurate hub alignment
- Weight approximately 15.75 lbs (7.16 kgs)
About the C-TEK Standard Disc Brake Rotors Line
The C-TEK Standard Disc Brake Rotors line by Centric offers reliable replacement rotors designed to meet or exceed OEM specifications. This product line focuses on providing solid and vented rotors with smooth surfaces to ensure consistent braking performance and longevity. The 121.63003 rotor is a vented type, which helps dissipate heat more effectively during braking, reducing the risk of brake fade and maintaining stopping power for Jeep vehicles.
Technical Details and Specifications
This disc brake rotor features a vented design with straight vanes that promote airflow and heat dissipation. The rotor’s nominal thickness is 0.874 inches (22.2 mm), with a discard thickness of 0.815 inches (20.7 mm), indicating when replacement is necessary to maintain safe braking. The overall height measures 3.020 inches (76.7 mm), and the outside diameter is 11.016 inches (279.8 mm), ensuring proper fitment on compatible Jeep models. The rotor includes a floating disc mounting system and five lug holes sized at 0.618 inches (15.7 mm) diameter on a 4.5 inch (114.3 mm) bolt circle diameter. This rotor does not include an ABS tone ring or bearings.
Common Applications and Problem Solving
- Replacement for worn or warped rotors on Jeep Cherokee, Comanche, Wagoneer, and Wrangler
- Addresses brake pulsation and vibration issues caused by uneven rotor surfaces
- Improves heat dissipation to reduce brake fade during heavy braking
- Restores proper rotor thickness for safe and effective braking
- Compatible with vehicles requiring vented rotors with floating disc mounting
Installation Notes and Tips
- Ensure rotor thickness is above discard thickness before installation
- Clean rotor surface and hub mounting area to prevent uneven wear
- Use proper torque specifications for lug nuts to avoid rotor warping
- Check compatibility with ABS system as this rotor does not include an ABS tone ring
- Inspect brake pads and replace if worn to maximize rotor lifespan
Quality Assurance and Warranty
Centric’s C-TEK Standard Disc Brake Rotors are manufactured to meet strict quality standards and OEM specifications. While specific warranty details for part number 121.63003 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 terms related to this rotor.
| Brand | Centric |
|---|---|
| Part Number | 121.63003 |
| Position | C-TEK Standard Disc Brake Rotors, Front |
| ABS Tone Ring Included | No |
| Bearings Included | No |
| Center Hole Diameter | 2.835 |
| Center Hole Diameter | 72.000 |
| Disc Mounting [cntrc] | Floating |
| Discard Thickness | 0.815 |
| Discard Thickness | 20.700 |
| Misc Holes [cntrc] | 0 |
| Mounting Bolt Hole Circle Diameter | 4.500 |
| Mounting Bolt Hole Circle Diameter | 114.300 |
| Nominal Thickness | 0.874 |
| Nominal Thickness | 22.200 |
| Outside Diameter | 11.016 |
| Outside Diameter | 279.800 |
| Overall Height | 3.020 |
| Overall Height | 76.700 |
| Solid Or Vented Type Rotor | Vented |
| Stud/Lug Hole Diameter | 0.618 |
| Stud/Lug Hole Diameter | 15.700 |
| Stud/Lug Hole Quantity | 5 |
| Surface Type | Smooth |
| Vane Style [cntrc] | Straight |
| Weight [cntrc] kgs | 7.160 |
| Weight [cntrc] lbs | 15.750 |
This part fits 21 vehicles. Search below:
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 1989 | Jeep | Cherokee | 4WD | Front | C-TEK Standard Disc Brake Rotors |
| 1989 | Jeep | Comanche | 4WD | Front | C-TEK Standard Disc Brake Rotors |
| 1989 | Jeep | Wagoneer | 4WD | Front | C-TEK Standard Disc Brake Rotors |
| 1989 | Jeep | Wrangler | Front | C-TEK Standard Disc Brake Rotors | |
| 1988 | Jeep | Cherokee | 4WD | Front | C-TEK Standard Disc Brake Rotors |
| 1988 | Jeep | Comanche | 4WD | Front | C-TEK Standard Disc Brake Rotors |
| 1988 | Jeep | Wagoneer | Front | C-TEK Standard Disc Brake Rotors | |
| 1988 | Jeep | Wrangler | Front | C-TEK Standard Disc Brake Rotors | |
| 1987 | Jeep | Cherokee | 4WD | Front | C-TEK Standard Disc Brake Rotors |
| 1987 | Jeep | Comanche | RWD | Front | Floating Rotor; C-TEK Standard Disc Brake Rotors |
| 1987 | Jeep | Comanche | 4WD | Front | C-TEK Standard Disc Brake Rotors |
| 1987 | Jeep | Wagoneer | Front | C-TEK Standard Disc Brake Rotors | |
| 1987 | Jeep | Wrangler | Front | C-TEK Standard Disc Brake Rotors | |
| 1986 | Jeep | Cherokee | 4WD | Front | C-TEK Standard Disc Brake Rotors |
| 1986 | Jeep | Comanche | RWD | Front | Floating Rotor; C-TEK Standard Disc Brake Rotors |
| 1986 | Jeep | Comanche | 4WD | Front | C-TEK Standard Disc Brake Rotors |
| 1986 | Jeep | Wagoneer | Front | C-TEK Standard Disc Brake Rotors | |
| 1985 | Jeep | Cherokee | Front | C-TEK Standard Disc Brake Rotors | |
| 1985 | Jeep | Wagoneer | Front | C-TEK Standard Disc Brake Rotors | |
| 1984 | Jeep | Cherokee | Front | C-TEK Standard Disc Brake Rotors | |
| 1984 | Jeep | Wagoneer | 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.