Centric 121.47030 Disc Brake Rotor - Rear

Overview of Centric C-TEK Standard Disc Brake Rotor 121.47030

The Centric C-TEK Standard Disc Brake Rotor 121.47030 is engineered for Subaru Impreza and WRX STI models, providing reliable braking performance. This vented rotor features a smooth surface and precise dimensions to ensure consistent stopping power and durability.

• Compatible with Subaru Impreza and WRX STI vehicles
• Vented disc brake rotor design for improved heat dissipation
• Nominal thickness of 0.787 inches (20.000 mm) with discard thickness at 0.709 inches (18.000 mm)
• Overall height of 2.500 inches (63.500 mm) and outside diameter of 12.445 inches (316.100 mm)
• Five lug holes with a 4.500 inch (114.300 mm) bolt circle diameter
• Center hole diameter of 2.283 inches (58.000 mm) for precise fitment
• Pillar vane style for enhanced cooling efficiency
• Weight approximately 17.5 lbs (7.95 kgs)
• Does not include ABS tone ring or bearings

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric offers a balance of quality and value for everyday driving conditions. These rotors are designed to meet or exceed OEM specifications, providing consistent braking performance and durability. The 121.47030 rotor is part of this line, featuring vented construction and smooth surfaces to maintain optimal brake pad contact and heat management.

Detailed Product Description

This Centric disc brake rotor is specifically designed for Subaru Impreza and WRX STI models, ensuring a precise fit and reliable braking. The vented rotor design with pillar-style vanes promotes effective heat dissipation, reducing the risk of brake fade during extended use. With a nominal thickness of 0.787 inches and a discard thickness of 0.709 inches, this rotor maintains structural integrity throughout its service life. The smooth surface finish supports even pad wear and consistent braking feel. The rotor’s five-lug hole pattern and 4.500 inch bolt circle diameter match factory specifications for straightforward installation.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Subaru Impreza and WRX STI
• Addresses brake pulsation caused by uneven rotor surfaces
• Improves heat dissipation to reduce brake fade during aggressive driving
• Restores proper rotor thickness for safe braking performance
• Eliminates noise and vibration related to damaged or undersized rotors

Installation Notes and Tips

• Verify rotor dimensions and bolt pattern before installation
• Ensure hub surface is clean and free of rust for proper rotor seating
• Torque lug nuts to manufacturer specifications to avoid rotor warping
• Check brake pads for wear and replace if necessary during rotor installation
• Perform a bed-in procedure after installation to optimize braking performance

Quality Assurance and Warranty

Centric C-TEK Standard Disc Brake Rotors are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. While specific warranty details for part number 121.47030 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 information related to this rotor.