Centric 121.63004 Disc Brake Rotor - Front

Overview of Centric C-TEK Standard Disc Brake Rotor 121.63004

The Centric C-TEK Standard Disc Brake Rotor 121.63004 is engineered for reliable braking performance on Jeep CJ5 and CJ7 models. Designed to meet OEM specifications, this vented rotor ensures consistent heat dissipation and smooth braking under various driving conditions.

• Compatible with Jeep CJ5 and CJ7 models
• Part number 121.63004 for precise identification
• Vented disc design for improved cooling
• 5 mounting bolt holes with a 5.5 inch bolt circle diameter
• Overall diameter of 11.728 inches (297.9 mm)
• Nominal thickness of 1.185 inches (30.1 mm) with discard thickness at 1.120 inches (28.45 mm)
• Smooth surface type for consistent pad contact
• Weight approximately 17.3 lbs (7.86 kgs)
• Center hole diameter of 3.764 inches (95.6 mm)
• Disc mounted behind the hub with straight vane style for airflow

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, providing dependable braking performance for a variety of vehicles. This product line focuses on delivering rotors with precise fitment and consistent quality, making it suitable for Jeep CJ5 and CJ7 owners seeking a direct replacement rotor that maintains factory specifications.

Technical Details and Specifications

This Centric rotor features a vented design with straight vanes to enhance heat dissipation during braking, reducing the risk of brake fade. The rotor’s smooth surface ensures even pad wear and quiet operation. With an outside diameter of 11.728 inches and a nominal thickness of 1.185 inches, it fits the braking system requirements of Jeep CJ5 and CJ7 models. The 5 mounting bolt holes and a bolt circle diameter of 5.5 inches provide secure installation behind the hub. The discard thickness of 1.120 inches indicates the minimum safe thickness before replacement is necessary.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Jeep CJ5 and CJ7
• Addresses brake pulsation caused by uneven rotor surfaces
• Improves braking consistency and heat management
• Restores proper rotor thickness for safe braking performance
• Eliminates noise and vibration related to rotor wear

Installation Notes and Tips

Ensure the rotor is installed behind the hub as specified. Verify the mounting bolt hole pattern matches the vehicle’s hub with 5 holes on a 5.5 inch bolt circle diameter. Check rotor thickness before installation to confirm it meets or exceeds the nominal thickness of 1.185 inches. Use proper torque specifications for mounting bolts to avoid rotor warping. It is recommended to replace brake pads simultaneously to ensure optimal braking performance.

Quality Assurance and Warranty

Centric manufactures the C-TEK Standard Disc Brake Rotors to meet OEM quality standards, ensuring durability and reliable performance. While specific warranty details for part number 121.63004 should be confirmed with the supplier, Centric typically offers coverage against defects in materials and workmanship under normal use conditions.