Centric 121.62131 Disc Brake Rotor - Rear

Reliable Disc Brake Rotor for Buick, Cadillac, and Chevrolet

The Centric 121.62131 disc brake rotor is engineered to meet the braking needs of select Buick, Cadillac, and Chevrolet models. Designed for vehicles like the Cascada, Cruze, ELR, Verano, and Volt, this rotor offers consistent performance with precise fitment.

• Part Number: 121.62131
• Brand Line: C-TEK Standard Disc Brake Rotors
• Outside Diameter: 11.496 inches (292.0 mm)
• Nominal Thickness: 0.472 inches (12.0 mm)
• Discard Thickness: 0.394 inches (10.0 mm)
• Overall Height: 1.776 inches (45.1 mm)
• Solid, smooth surface rotor design
• 5 stud/lug holes with 0.563 inch (14.3 mm) diameter
• Floating disc mounting with center hole diameter of 2.787 inches (70.8 mm)
• Weight: 12.05 lbs (5.48 kgs)
• ABS tone ring not included

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric is designed to provide reliable, OEM-quality replacement rotors for a variety of vehicles. These rotors feature a solid, smooth surface that ensures consistent braking performance and durability. The 121.62131 rotor is part of this line, offering precise dimensions and fitment for specific Buick, Cadillac, and Chevrolet models, maintaining factory specifications for thickness and diameter.

Product Details and Specifications

This disc brake rotor features a solid construction with a smooth surface type, optimized for standard braking applications. The nominal thickness of 0.472 inches (12.0 mm) ensures adequate material for heat dissipation and wear resistance, while the discard thickness of 0.394 inches (10.0 mm) indicates the minimum safe thickness before replacement is necessary. The rotor’s outside diameter measures 11.496 inches (292.0 mm), and the overall height is 1.776 inches (45.1 mm), matching OEM dimensions for proper fitment.

The rotor mounts using a floating disc mounting system with a center hole diameter of 2.787 inches (70.8 mm) and a mounting bolt hole circle diameter of 4.528 inches (115.0 mm). It includes five stud/lug holes, each with a diameter of 0.563 inches (14.3 mm). This rotor does not include bearings or an ABS tone ring, so it is intended for vehicles where these components are serviced separately.

Common Applications and Issues Addressed

• Replacement for worn or warped rotors on Buick Cascada, Cadillac ELR, and Chevrolet Volt
• Restores proper braking performance and pedal feel
• Eliminates brake noise caused by uneven rotor surfaces
• Prevents brake judder and vibration during stopping
• Maintains safe braking distances by ensuring rotor thickness is within specifications

Installation Notes and Tips

• Verify rotor thickness before installation to ensure it meets discard thickness requirements
• Clean rotor surface and hub mounting area to prevent uneven wear or noise
• Use proper torque specifications on lug nuts to avoid rotor warping
• Check compatibility with vehicle ABS system since this rotor does not include an ABS tone ring
• Inspect brake pads and replace if worn to ensure optimal rotor performance

Quality Assurance and Warranty

Centric’s C-TEK Standard Disc Brake Rotors are manufactured to meet or exceed OEM standards for fit, form, and function. Each rotor undergoes strict quality control to ensure dimensional accuracy and material integrity. While specific warranty details are not provided here, Centric typically offers coverage against defects in materials and workmanship. Always consult product documentation or the manufacturer for exact warranty terms.