Centric 121.40074 Disc Brake Rotor - Rear

Overview of Centric C-TEK Standard Disc Brake Rotor 121.40074

The Centric C-TEK Standard Disc Brake Rotor 121.40074 is designed specifically for Acura TL models, providing reliable braking performance with precise fitment. This solid, smooth-surface rotor meets OEM specifications to ensure consistent stopping power and durability.

• Compatible with Acura TL vehicles
• Part number 121.40074 for exact fitment
• Solid disc brake rotor with smooth surface finish
• Outside diameter of 13.150 inches (334 mm)
• Nominal thickness of 0.433 inches (11.000 mm)
• Discard thickness at 0.354 inches (9.000 mm)
• Overall height of 2.382 inches (60.500 mm)
• Five lug holes with 0.579 inch (14.700 mm) diameter
• Center hole diameter of 2.760 inches (70.100 mm)
• Mounting bolt hole circle diameter of 120.000 mm (4.724 inches)
• Weight approximately 15.15 lbs (6.89 kgs)

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric offers rotors engineered to meet or exceed OEM standards for fit, form, and function. This product line focuses on providing solid rotors with smooth surfaces that deliver consistent braking performance for daily driving conditions. The 121.40074 rotor is part of this line, ensuring compatibility and reliable operation for Acura TL owners seeking a direct replacement rotor.

Detailed Product Description

This Centric disc brake rotor features a solid design with a smooth surface type, optimized for standard braking applications. The rotor’s outside diameter measures 13.150 inches (334 mm), with a nominal thickness of 0.433 inches (11.000 mm) and a discard thickness of 0.354 inches (9.000 mm), which defines the minimum thickness before replacement is necessary. The overall height of 2.382 inches (60.500 mm) ensures proper alignment with the brake caliper assembly. It includes five lug holes sized at 0.579 inches (14.700 mm) diameter and a mounting bolt hole circle diameter of 120.000 mm (4.724 inches), matching the Acura TL’s wheel hub specifications. This rotor does not include an ABS tone ring or bearings, consistent with the original equipment design.

Common Applications and Issues Addressed

• Replacement for worn or warped rotors on Acura TL models
• Resolves brake pulsation caused by uneven rotor surfaces
• Addresses reduced braking efficiency due to rotor thickness below discard limits
• Eliminates noise and vibration from damaged or scored rotors
• Restores proper brake pad contact and stopping power

Installation Notes and Tips

• Ensure rotor thickness is measured before installation to confirm discard limits
• Clean rotor surface and hub mounting area to prevent uneven wear
• Torque lug nuts to manufacturer specifications for secure fitment
• Check brake pads for wear and replace if necessary during rotor installation
• Perform a brake system test after installation to verify proper operation

Quality Assurance and Warranty

Centric manufactures the C-TEK Standard Disc Brake Rotors to meet strict quality standards, ensuring durability and consistent performance. While specific warranty details for part number 121.40074 should be confirmed with the supplier, Centric typically offers limited warranties covering defects in materials and workmanship. This rotor is engineered to provide reliable braking for Acura TL vehicles when installed and maintained according to manufacturer guidelines.