Centric 121.66062 Disc Brake Rotor - Rear

Overview of Centric C-TEK Standard Disc Brake Rotor 121.66062

The Centric C-TEK Standard Disc Brake Rotor 121.66062 is engineered for reliable braking performance on select GM vehicles. Designed specifically for Buick Montana, Chevrolet Relay, Pontiac Terraza, and Saturn Uplander models, this rotor meets precise fitment and durability requirements.

• Part Number: 121.66062
• Compatible with Buick Montana, Chevrolet Relay, Pontiac Terraza, Saturn Uplander
• Solid disc brake rotor with smooth surface finish
• Outside diameter: 11.815 inches (300.1 mm)
• Nominal thickness: 0.472 inches (12.0 mm)
• Discard thickness: 0.413 inches (10.5 mm)
• Overall height: 1.453 inches (36.9 mm)
• Floating disc mounting design
• 6 stud/lug holes with 0.563 inch (14.3 mm) diameter
• Mounting bolt hole circle diameter: 4.5 inches (114.3 mm)
• Weight approximately 12.6 lbs (5.73 kgs)

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 standard braking applications. This product line focuses on providing solid rotors with smooth surfaces that ensure consistent braking performance and ease of installation. The 121.66062 rotor exemplifies this approach, delivering a direct replacement part engineered for specific GM minivan and crossover models.

Detailed Product Description

This Centric disc brake rotor features a solid construction with a smooth surface type, optimized for standard braking systems without ABS tone rings or additional bearings. The rotor’s floating disc mounting design allows for slight movement to reduce stress and improve brake pad contact. With an outside diameter of 11.815 inches and a nominal thickness of 0.472 inches, it maintains proper heat dissipation and wear characteristics. The discard thickness of 0.413 inches indicates the minimum safe thickness before replacement is necessary, ensuring safety and performance. The rotor includes six lug holes sized at 0.563 inches diameter, matching the bolt pattern of the compatible vehicles.

Common Applications and Issues Addressed

• Replacement for worn or warped rotors on Buick Montana, Chevrolet Relay, Pontiac Terraza, and Saturn Uplander
• Resolves brake pulsation caused by uneven rotor surfaces
• Addresses reduced braking efficiency due to rotor thickness below specification
• Eliminates noise and vibration from damaged or scored rotors
• Restores proper rotor dimensions for safe and consistent braking

Installation Notes and Tips

• Verify rotor thickness before installation to ensure it meets minimum discard thickness
• Clean rotor surface and hub mounting area to prevent uneven contact
• 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 ensure optimal rotor performance

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 121.66062 are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. Buyers should consult product documentation or Centric directly for warranty terms applicable to this rotor.