Centric 121.35042 Disc Brake Rotor - Front

Overview of Centric C-TEK Standard Disc Brake Rotor 121.35042

The Centric C-TEK Standard Disc Brake Rotor 121.35042 is engineered for reliable braking performance on select Mercedes-Benz models. Designed specifically for the ML55 AMG, ML430, and ML500, this vented rotor ensures consistent heat dissipation and smooth braking response.

• Compatible with Mercedes-Benz ML55 AMG, ML430, ML500
• Part number: 121.35042
• Vented disc brake rotor with curved vane style for enhanced cooling
• Nominal thickness of 1.260 inches (32.000 mm) and discard thickness of 1.181 inches (30.000 mm)
• Outside diameter measures 13.583 inches (345.000 mm)
• Overall height of 2.008 inches (51.000 mm)
• Floating disc mounting with 5 lug holes, 0.602 inch (15.300 mm) diameter each
• Smooth surface type without ABS tone ring

Detailed Product Description

This Centric C-TEK Standard Disc Brake Rotor 121.35042 is a vented rotor designed to improve heat dissipation during braking, reducing the risk of brake fade on Mercedes-Benz ML55 AMG, ML430, and ML500 vehicles. The curved vane style enhances airflow between the rotor surfaces, maintaining optimal operating temperatures. With a nominal thickness of 1.260 inches and a discard thickness of 1.181 inches, this rotor meets precise wear limits to ensure safe replacement intervals. The rotor’s outside diameter of 13.583 inches and overall height of 2.008 inches are engineered to exact OEM specifications for proper fitment and performance. The floating disc mounting design allows for slight movement to accommodate thermal expansion and reduce stress on the braking system. This rotor features a smooth surface type, providing consistent pad contact without an ABS tone ring, and includes five lug holes with a 4.409 inch bolt circle diameter for secure installation.

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric offers rotors manufactured to meet or exceed OEM specifications for fit, form, and function. This product line focuses on providing reliable, direct replacement rotors with standard surface finishes and vented designs to maintain effective braking performance. The 121.35042 rotor exemplifies this approach by combining precise dimensions and vented construction to support consistent braking on Mercedes-Benz ML series vehicles.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Addressing reduced braking efficiency due to rotor overheating
• Eliminating noise and vibration from uneven rotor surfaces
• Restoring proper rotor thickness to maintain safe braking distances
• Ensuring compatibility with Mercedes-Benz ML55 AMG, ML430, and ML500 brake systems

Installation Notes and Tips

• Verify rotor thickness before installation; replace if below discard thickness of 1.181 inches
• Ensure proper cleaning of rotor surface to remove any protective coatings
• Check wheel hub and mounting surfaces for debris or corrosion prior to installation
• Torque lug nuts to manufacturer specifications to avoid rotor warping
• Inspect brake pads and replace if worn to ensure optimal rotor performance

Quality Assurance and Warranty

Centric manufactures the C-TEK Standard Disc Brake Rotors to meet strict quality standards, ensuring consistent dimensions and material integrity. While specific warranty details for part number 121.35042 are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. Users should consult product documentation or Centric directly for warranty terms applicable to this rotor.