Centric 121.66006 Disc Brake Rotor - Front or Rear

Reliable Disc Brake Rotor for GM Trucks and SUVs

The Centric C-TEK Standard Disc Brake Rotor 121.66006 is engineered to provide consistent braking performance for select Buick, Cadillac, Chevrolet, GMC, and Oldsmobile models. Designed with precision, this vented rotor ensures effective heat dissipation and durability for vehicles like the Chevrolet S10 Blazer and GMC Sonoma.

• Part Number: 121.66006
• Brand Line: C-TEK Standard Disc Brake Rotors
• Vented disc brake rotor with smooth surface
• Outside diameter: 10.5 inches (266.7 mm)
• Nominal thickness: 1.035 inches (26.3 mm)
• Discard thickness: 0.957 inches (24.3 mm)
• Overall height: 2.047 inches (52.0 mm)
• Center hole diameter: 2.783 inches (70.7 mm)
• Mounting bolt hole circle diameter: 4.748 inches (120.6 mm)
• 5 stud/lug holes, each 0.524 inches (13.3 mm) in diameter
• Floating disc mounting with straight vane style
• Weight: 14.2 lbs (6.45 kgs)
• ABS tone ring not included
• Bearings not included

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric offers rotors designed to meet or exceed OEM specifications for a range of GM vehicles. This product line focuses on providing reliable, smooth braking performance with vented rotors that help reduce heat buildup during operation. The 121.66006 rotor is part of this line, delivering consistent thickness and precise fitment for models such as the Cadillac Eldorado and Oldsmobile Riviera.

Product Details and Specifications

This vented disc brake rotor features a smooth surface finish to ensure optimal contact with brake pads, reducing noise and vibration. The rotor’s nominal thickness of 1.035 inches (26.3 mm) and discard thickness of 0.957 inches (24.3 mm) define its usable lifespan before replacement is necessary. The overall height of 2.047 inches (52.0 mm) and outside diameter of 10.5 inches (266.7 mm) provide compatibility with specific GM trucks and SUVs. The floating disc mounting and straight vane design promote effective heat dissipation, which is critical for maintaining braking performance under heavy use.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Chevrolet S10 and GMC S15 models
• Addressing brake pulsation or vibration issues in Buick Blazer and Jimmy vehicles
• Improving braking consistency on Cadillac Seville and Toronado
• Restoring proper rotor thickness to prevent brake fade on Oldsmobile Riviera
• Ensuring safe stopping power for GMC Sonoma and Chevrolet Bravada

Installation Notes and Tips

When installing the Centric 121.66006 rotor, ensure the mounting surface is clean and free of rust or debris. Verify the rotor thickness before installation to confirm it meets minimum specifications. This rotor does not include bearings or an ABS tone ring, so those components must be reused or replaced separately if needed. Proper torque on lug nuts and bolts is essential to maintain rotor alignment and prevent premature wear.

Quality Assurance and Warranty

Centric’s C-TEK Standard Disc Brake Rotors are manufactured to meet OEM standards for fit, form, and function. While specific warranty details for part number 121.66006 are not provided here, Centric typically offers coverage against defects in materials and workmanship. Users should consult product documentation or Centric directly for warranty terms related to this rotor.