Centric 121.62045 Disc Brake Rotor - Rear

Reliable Disc Brake Rotor for Buick, Cadillac, Oldsmobile, Pontiac

The Centric C-TEK Standard Disc Brake Rotor 121.62045 is engineered to provide consistent braking performance for select Buick, Cadillac, Oldsmobile, and Pontiac models. Designed as a solid rotor with a smooth surface, it meets OEM specifications to ensure proper fit and function.

• Compatible with Buick Allante, Cadillac DeVille, Eldorado, Seville, and more
• Part number 121.62045 for precise identification
• Solid disc brake rotor with smooth surface finish
• Overall diameter of 11.071 inches (281.2 mm)
• Nominal thickness of 0.433 inches (11.0 mm) and discard thickness of 0.354 inches (9.0 mm)
• Floating disc mounting center for proper alignment
• Five lug holes with 0.516 inch (13.1 mm) diameter

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. This product line focuses on delivering reliable braking performance with precise dimensions and quality materials. The 121.62045 rotor is a solid type rotor designed for smooth braking surfaces, suitable for various GM luxury and performance vehicles.

Technical Specifications and Features

This disc brake rotor features an overall height of 1.516 inches (38.5 mm) and a center hole diameter of 2.783 inches (70.7 mm). It includes a mounting bolt hole circle diameter of 4.646 inches (118.0 mm) and is designed with five stud/lug holes. The rotor weighs approximately 10.5 lbs (4.77 kg) and does not include ABS tone rings or bearings. Its floating disc mounting style helps maintain proper rotor alignment during operation.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Buick Allante and Cadillac Seville
• Restores braking efficiency on Pontiac Bonneville and Oldsmobile Aurora
• Addresses brake pulsation and noise issues caused by uneven rotor surfaces
• Prevents premature brake pad wear due to rotor thickness below discard limits
• Ensures safe stopping performance on luxury GM vehicles

Installation Notes and Tips

• Verify rotor thickness before installation; discard if below 0.354 inches (9.0 mm)
• Ensure mounting surfaces are clean and free of debris for proper fit
• Use proper torque specifications on lug nuts to avoid rotor warping
• Check compatibility with vehicle ABS systems; this rotor does not include an ABS tone ring
• Inspect brake pads and replace if worn to maintain optimal braking performance

Quality Assurance and Warranty

Centric C-TEK Standard Disc Brake Rotors are manufactured to meet OEM quality standards, ensuring durability and consistent performance. While specific warranty details for part number 121.62045 should be confirmed with the supplier, Centric typically offers coverage against defects in materials and workmanship.