Centric 121.40045 Disc Brake Rotor - Rear

Overview of Centric C-TEK Standard Disc Brake Rotor 121.40045

The Centric C-TEK Standard Disc Brake Rotor 121.40045 is engineered for reliable braking performance on Acura TL models. Designed as a solid, smooth-surface rotor, it meets precise specifications to ensure consistent stopping power and durability.

• Compatible with Acura TL vehicles
• Part number 121.40045 for exact fitment
• Solid disc brake rotor with smooth surface finish
• Overall diameter of 10.224 inches (259.7 mm)
• Nominal thickness of 0.354 inches (9.0 mm) and discard thickness of 0.295 inches (7.5 mm)
• Floating disc mounting design with 5 lug holes
• Center hole diameter of 2.520 inches (64.0 mm)
• Weight approximately 10 lbs (4.55 kgs)

Product Line Details: C-TEK Standard Disc Brake Rotors

The C-TEK Standard Disc Brake Rotors line by Centric offers rotors designed to meet or exceed OEM specifications for standard braking applications. This product line focuses on providing solid rotors with smooth surfaces, suitable for daily driving conditions. The 121.40045 rotor exemplifies this approach by delivering consistent performance and fitment for Acura TL models without ABS tone rings or additional hardware included.

Technical Specifications and Features

This Centric rotor features a solid construction with a smooth surface type, which helps maintain consistent brake pad contact and wear. The overall height measures 3.142 inches (79.8 mm), and the rotor includes a floating disc mounting design with four miscellaneous holes and five stud/lug holes sized at 0.496 inches (12.6 mm) diameter. The mounting bolt hole circle diameter is 4.5 inches (114.3 mm), ensuring proper alignment and fitment. Note that this rotor does not include bearings or an ABS tone ring.

Applications and Problem Solving

• Replacement for worn or warped rotors on Acura TL models
• Addresses brake pulsation caused by uneven rotor surfaces
• Restores proper rotor thickness to maintain braking efficiency
• Eliminates noise and vibration from damaged or scored rotors
• Supports safe and consistent stopping performance under normal driving conditions

Installation Notes and Tips

• Verify rotor thickness before installation; discard thickness is 0.295 inches (7.5 mm)
• Ensure mounting surfaces are clean and free of debris for proper rotor seating
• Use correct torque specifications on lug nuts to avoid rotor warping
• Check compatibility with vehicle’s brake system, noting absence of ABS tone ring
• Inspect brake pads for wear and replace if necessary during rotor installation

Quality Assurance and Warranty

Centric manufactures the C-TEK Standard Disc Brake Rotors to meet OEM standards for fit, form, and function. While specific warranty details for part number 121.40045 are not provided here, Centric typically offers coverage against defects in materials and workmanship. Users should consult product documentation or Centric directly for warranty terms related to this rotor.