Centric 120.66062 Disc Brake Rotor - Rear

Reliable Disc Brake Rotor for Buick, Chevrolet, Pontiac, and Saturn

The Centric Premium Disc Brake Rotor 120.66062 is engineered to provide consistent braking performance for select Buick, Chevrolet, Pontiac, and Saturn models. Designed with precision, this rotor meets exacting specifications to ensure proper fit and function on vehicles like the Montana, Relay, Terraza, and Uplander.

• Compatible with Buick Montana, Chevrolet Uplander, Pontiac Montana, Saturn Relay, and Terraza
• Part number 120.66062 for accurate identification
• Solid disc brake rotor with a smooth surface finish
• Coated hat finish for corrosion resistance
• 6 bolt holes with a 114.3 mm bolt circle diameter
• Nominal thickness of 12.0 mm and discard thickness of 10.5 mm
• Overall diameter of 300.1 mm (11.815 inches)
• Floating mounting type for proper rotor alignment

About Centric Premium Disc Brake Rotors

The Centric Premium Disc Brake Rotors line is designed to meet or exceed OEM specifications, providing reliable braking performance and durability. This product line focuses on delivering rotors with precise dimensions, corrosion-resistant coatings, and smooth surfaces to ensure consistent pad contact and reduced noise. The 120.66062 rotor is part of this line, offering a solid rotor design suitable for various GM vehicles requiring dependable braking components.

Product Details and Specifications

This Centric rotor features a solid disc design with a smooth surface type, which helps maintain consistent braking friction and reduces uneven pad wear. The rotor has a coated hat finish that protects against rust and corrosion, extending the service life. It includes six bolt holes arranged on a 114.3 mm bolt circle diameter, matching the mounting requirements of compatible vehicles. The nominal thickness is 12.0 mm, with a discard thickness of 10.5 mm, indicating when the rotor should be replaced to maintain safe braking performance. The overall diameter measures 300.1 mm (11.815 inches), and the rotor height is 36.9 mm (1.453 inches). This rotor uses a floating mounting type to allow slight movement, which helps reduce stress and improve rotor longevity.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Addressing rotor thickness below safe discard limits
• Resolving noise issues due to uneven rotor surfaces
• Upgrading corroded or rusted rotors for improved braking
• Ensuring proper fitment on Buick Montana, Chevrolet Uplander, Pontiac Montana, Saturn Relay, and Terraza models

Installation Notes and Tips

When installing the Centric Premium Disc Brake Rotor 120.66062, ensure the rotor surface is clean and free of debris before mounting. Verify the rotor thickness is above the discard limit of 10.5 mm to maintain safety standards. Use the correct torque specifications for the 6 mounting bolts on the 114.3 mm bolt circle diameter. Since this rotor does not include bearings or an ABS tone ring, reuse existing components if applicable. Properly seat the rotor on the hub with the 70.7 mm center hole diameter to ensure correct alignment.

Quality Assurance and Warranty

Centric Premium Disc Brake Rotors are manufactured to meet strict quality control standards, ensuring dimensional accuracy and material integrity. The coated hat finish provides corrosion resistance to extend rotor life. 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.