Centric 121.62089 Disc Brake Rotor - Front

Overview of Centric C-TEK Standard Disc Brake Rotor 121.62089

The Centric C-TEK Standard Disc Brake Rotor 121.62089 is engineered for reliable braking performance on Pontiac GTO vehicles. Designed as a vented, floating rotor, it offers consistent heat dissipation and durability for everyday driving conditions.

• Compatible with Pontiac GTO models
• Part number: 121.62089
• Vented disc brake rotor with pillar vane style for improved cooling
• Nominal thickness of 1.260 inches (32.000 mm) and discard thickness of 1.181 inches (30.000 mm)
• Overall height of 3.268 inches (83.000 mm) and outside diameter of 12.579 inches (319.500 mm)
• Floating disc mounting design with 5 lug holes (0.500 inch diameter)
• Smooth surface type for consistent pad contact

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric focuses on providing dependable, OE-quality replacement rotors. This product line emphasizes precise fitment and consistent braking performance, making it suitable for vehicles like the Pontiac GTO that require reliable stopping power without additional modifications. The 121.62089 rotor maintains factory specifications including vented design and pillar vane style to ensure proper heat management and rotor longevity.

Detailed Product Description

This Centric disc brake rotor features a vented design with pillar-style vanes that enhance airflow and heat dissipation during braking. The rotor’s nominal thickness is 1.260 inches (32.000 mm), with a discard thickness of 1.181 inches (30.000 mm), indicating when replacement is necessary to maintain safe braking performance. The overall height measures 3.268 inches (83.000 mm), and the outside diameter is 12.579 inches (319.500 mm), matching the original equipment specifications for the Pontiac GTO. The rotor includes a floating disc mounting system and five lug holes with a diameter of 0.500 inches (12.700 mm), ensuring proper fitment and secure installation. The smooth surface type promotes even brake pad wear and consistent braking feel. This rotor does not include an ABS tone ring or bearings.

Common Applications and Issues Addressed

• Replacement for worn or warped rotors on Pontiac GTO
• Resolves brake pulsation caused by uneven rotor thickness
• Addresses reduced braking efficiency due to rotor overheating
• Eliminates noise and vibration from damaged or scored rotors
• Restores proper rotor thickness for safe braking performance

Installation Notes and Tips

• Ensure rotor thickness is measured before installation to confirm discard limits
• Clean rotor surface to remove any protective coatings or debris prior to mounting
• Verify compatibility with vehicle lug pattern: 5 lug holes, 0.500 inch diameter
• Torque lug nuts to manufacturer specifications to avoid rotor warping
• Check brake pads for wear and replace if necessary during rotor installation

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. While specific warranty details for part number 121.62089 are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. Users should consult product documentation or Centric directly for warranty terms related to this rotor.