Centric 121.40047 Disc Brake Rotor - Rear

Overview of Centric C-TEK Standard Disc Brake Rotor 121.40047

The Centric C-TEK Standard Disc Brake Rotor 121.40047 is engineered for reliable braking performance on Acura TL models. Designed as a solid rotor with a smooth surface, this part ensures consistent stopping power and durability for your vehicle's braking system.

• Compatible with Acura TL vehicles
• Part number 121.40047 for precise identification
• Solid disc brake rotor with smooth surface finish
• Outside diameter of 11.122 inches (282.5 mm)
• Nominal thickness of 0.354 inches (9.0 mm) and discard thickness of 0.295 inches (7.5 mm)
• Overall height of 2.307 inches (58.6 mm)
• Five stud/lug holes with 0.496 inch (12.6 mm) diameter
• Center hole diameter of 2.520 inches (64.0 mm)
• Mounting bolt hole circle diameter of 4.5 inches (114.3 mm)
• Weight approximately 9.25 lbs (4.2 kgs)
• Does not include ABS tone ring or bearings

Details on C-TEK Standard Disc Brake Rotors

The C-TEK Standard Disc Brake Rotors line by Centric offers a balance of quality and value for standard braking applications. This product line focuses on providing rotors that meet or exceed OEM specifications, ensuring proper fit and function. The 121.40047 rotor is a solid type, designed for Acura TL models requiring a smooth surface rotor without venting or additional ABS components. This makes it suitable for vehicles with standard braking systems where consistent performance and durability are essential.

Technical Specifications and Features

This disc brake rotor features a nominal thickness of 0.354 inches (9.0 mm) and a discard thickness of 0.295 inches (7.5 mm), indicating the minimum thickness before replacement is necessary. The outside diameter measures 11.122 inches (282.5 mm), and the overall height is 2.307 inches (58.6 mm). It includes five stud/lug holes with a diameter of 0.496 inches (12.6 mm) arranged on a 4.5-inch (114.3 mm) bolt circle diameter. The center hole diameter is 2.520 inches (64.0 mm). This rotor is a solid type with a smooth surface, designed to provide consistent braking without the complexity of vented or slotted designs.

Common 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 uneven rotors
• Ensures safe stopping performance by meeting OEM specifications

Installation Notes and Tips

• Verify rotor thickness before installation to ensure it meets discard limits
• Clean rotor surface and hub mounting area to prevent uneven wear
• Torque lug nuts to manufacturer specifications for proper fitment
• Check compatibility with existing brake pads and hardware
• Inspect wheel bearings and replace if necessary, as bearings are not included

Quality Assurance and Warranty

Centric C-TEK Standard Disc Brake Rotors are manufactured to meet or exceed OEM standards for fit, form, and function. While specific warranty details for part number 121.40047 are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. It is recommended to consult the product documentation or Centric directly for warranty terms related to this rotor.