Centric 121.40030 Disc Brake Rotor - Front

Reliable Disc Brake Rotor for Acura TL

The Centric C-TEK Standard Disc Brake Rotor 121.40030 is engineered to provide consistent braking performance for Acura TL models. Designed with precision, this vented rotor ensures effective heat dissipation and durability under normal driving conditions.

• Compatible with Acura TL vehicles
• Part number 121.40030 for accurate fitment
• Vented rotor design with straight vane style for improved cooling
• Overall diameter of 11.091 inches (281.7 mm) and overall height of 1.346 inches (34.2 mm)
• Nominal thickness of 0.906 inches (23.0 mm) with discard thickness at 0.827 inches (21.0 mm)
• Four mounting bolt holes with a 4.5 inch (114.3 mm) bolt circle diameter
• Smooth surface type for consistent pad contact
• Disc mounts behind the hub for proper 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 or exceed OEM specifications for standard replacement needs. This product line focuses on delivering reliable braking performance with quality materials and precise manufacturing. The 121.40030 rotor fits within this line, providing a vented design that helps maintain optimal operating temperatures during braking for Acura TL vehicles.

Product Details and Specifications

This Centric disc brake rotor features a vented construction with straight vanes to enhance airflow and heat dissipation, reducing the risk of brake fade. The rotor has a smooth surface type, ensuring even pad wear and consistent braking feel. With a nominal thickness of 0.906 inches (23.0 mm) and a discard thickness of 0.827 inches (21.0 mm), it offers a balance between durability and performance. The rotor's overall height is 1.346 inches (34.2 mm), and it includes four mounting bolt holes with a 1.25 thread pitch, designed to mount behind the hub for secure installation. The center hole diameter measures 3.622 inches (92.0 mm), matching OEM specifications for the Acura TL.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Addressing rotor thickness below manufacturer discard limits
• Improving braking performance with a vented rotor design
• Eliminating noise or vibration related to rotor surface irregularities
• Ensuring proper fitment for Acura TL brake systems

Installation Notes and Tips

When installing the Centric C-TEK Standard Disc Brake Rotor 121.40030, ensure the rotor mounts behind the hub as specified. Verify the mounting bolt hole pattern and thread pitch match your vehicle’s specifications. It is recommended to replace brake pads simultaneously to maintain optimal braking performance. Clean the rotor surface before installation to remove any protective coatings or debris. Proper torque specifications should be followed for mounting bolts 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 121.40030 are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. Always consult product documentation or the manufacturer for exact warranty terms.