Centric 121.34073 Disc Brake Rotor - Front

Overview of Centric C-TEK Standard Disc Brake Rotor 121.34073

The Centric C-TEK Standard Disc Brake Rotor 121.34073 is engineered for reliable braking performance on BMW 525i models. Designed as a vented, floating rotor, it offers consistent heat dissipation and durability for everyday driving conditions.

• Compatible with BMW 525i vehicles
• Part number 121.34073 for precise identification
• Vented disc brake rotor with straight vane design
• Nominal thickness of 0.941 inches (23.9 mm)
• Discard thickness at 0.882 inches (22.4 mm)
• Overall height of 3.039 inches (77.2 mm)
• Outside diameter of 12.205 inches (310 mm)
• Floating disc mounting with 5 lug holes (0.579 inches diameter)
• Smooth surface type for consistent pad contact

Detailed Product Description

This Centric C-TEK Standard Disc Brake Rotor 121.34073 is specifically designed for the BMW 525i, ensuring proper fitment and optimal braking performance. The rotor features a vented design with straight vanes that promote effective heat dissipation, reducing the risk of brake fade during extended use. With a nominal thickness of 0.941 inches and a discard thickness of 0.882 inches, this rotor maintains structural integrity and safety throughout its service life. The smooth surface finish provides consistent friction and pad wear, while the floating disc mounting allows for slight movement to accommodate thermal expansion and improve braking response. The rotor includes five lug holes with a diameter of 0.579 inches, matching the BMW 525i bolt pattern for straightforward installation.

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 standard braking applications. These rotors are engineered to meet or exceed OEM specifications, providing reliable performance for daily driving. The line focuses on delivering rotors with precise dimensions, vented designs for heat management, and smooth surfaces to ensure consistent pad contact. The 121.34073 rotor exemplifies these characteristics, making it a suitable replacement part for BMW 525i owners seeking dependable braking components.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Addressing reduced braking efficiency due to rotor thickness below discard limits
• Eliminating noise and vibration from uneven rotor surfaces
• Improving heat dissipation to prevent brake fade during extended braking
• Ensuring proper fitment and alignment for BMW 525i brake systems

Installation Notes and Tips

• Verify rotor dimensions and bolt pattern compatibility with BMW 525i before installation
• Inspect brake pads and replace if worn to ensure optimal rotor performance
• Clean rotor surface with brake cleaner to remove any protective coatings or contaminants
• Torque lug nuts to manufacturer specifications to avoid rotor warping
• Check for ABS tone ring compatibility; this rotor does not include an ABS tone ring

Quality Assurance and Warranty

Centric manufactures the C-TEK Standard Disc Brake Rotors to meet strict quality standards, ensuring durability and consistent braking performance. While specific warranty details for part number 121.34073 should be confirmed with the supplier, Centric typically offers limited warranties covering defects in materials and workmanship. This rotor is produced to OEM specifications, providing confidence in fit and function for BMW 525i applications.