Centric 121.66071 Disc Brake Rotor - Rear

Reliable Disc Brake Rotor for Chevrolet and GMC Vans

The Centric C-TEK Standard Disc Brake Rotor 121.66071 is engineered for dependable braking performance on Chevrolet Express 3500 and GMC Savana 3500 models. Designed to meet OEM specifications, this vented rotor ensures consistent heat dissipation and smooth braking under demanding conditions.

• Vented disc brake rotor with straight vane design for effective cooling
• Nominal thickness of 1.575 inches (40.000 mm) and discard thickness of 1.496 inches (38.000 mm)
• Outside diameter measures 13.602 inches (345.500 mm) for precise fitment
• Overall height of 5.756 inches (146.200 mm) compatible with specified vehicle models
• Floating disc mounting style with 8 lug holes sized 0.638 inches (16.200 mm)
• Smooth surface type for consistent pad contact and braking efficiency

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 standards, providing reliable stopping power and durability. This product line focuses on delivering rotors with precise dimensions and quality materials, suitable for professional repair and maintenance of Chevrolet Express 3500 and GMC Savana 3500 vehicles.

Product Details and Specifications

This Centric disc brake rotor features a vented design with straight vanes that promote airflow to reduce heat buildup during braking. The rotor's nominal thickness is 1.575 inches (40.000 mm), with a discard thickness of 1.496 inches (38.000 mm), indicating when replacement is necessary to maintain safe braking performance. The outside diameter of 13.602 inches (345.500 mm) and overall height of 5.756 inches (146.200 mm) ensure proper fitment and compatibility with the Chevrolet Express 3500 and GMC Savana 3500. The rotor includes 8 lug holes with a diameter of 0.638 inches (16.200 mm) arranged on a 6.496 inch (165.000 mm) bolt circle diameter. This rotor does not include an ABS tone ring or bearings and features a floating disc mounting style.

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
• Resolving overheating issues with vented rotor design for improved heat dissipation
• Eliminating noise and vibration caused by uneven rotor surfaces
• Ensuring proper fitment and compatibility with Chevrolet Express 3500 and GMC Savana 3500 brake systems

Installation Notes and Tips

When installing the Centric 121.66071 rotor, ensure the rotor surface is clean and free of debris before mounting. Verify the rotor thickness is above the discard thickness specification to maintain safety. Use proper torque specifications for the 8 lug nuts to avoid rotor warping. Since this rotor does not include bearings or an ABS tone ring, reuse existing components or replace separately if necessary. It is recommended to replace brake pads simultaneously to ensure optimal braking performance.

Quality Assurance and Warranty

Centric's C-TEK Standard Disc Brake Rotors are manufactured to meet OEM quality standards, providing consistent performance and durability. While specific warranty details are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. Always consult product documentation or manufacturer resources for complete warranty information.