Centric 121.62129 Disc Brake Rotor - Rear

Overview of Centric C-TEK Standard Disc Brake Rotor 121.62129

The Centric C-TEK Standard Disc Brake Rotor 121.62129 is engineered for reliable braking performance on select Buick, Chevrolet, and Pontiac vehicles. Designed as a solid rotor with a smooth surface, it provides consistent stopping power for models like the Buick LaCrosse and Chevrolet Impala.

• Part Number: 121.62129
• Compatible with Buick Allure, LaCrosse; Chevrolet Impala, Impala Limited; Pontiac Grand Prix
• Solid disc brake rotor with smooth surface finish
• Outside diameter: 10.630 inches (270.000 mm)
• Nominal thickness: 0.551 inches (14.000 mm)
• Discard thickness: 0.492 inches (12.500 mm)
• Overall height: 1.453 inches (36.900 mm)
• Center hole diameter: 2.787 inches (70.800 mm)
• Mounting bolt hole circle diameter: 4.528 inches (115.000 mm)
• 5 stud/lug holes, each 0.559 inches (14.200 mm) in diameter
• Floating disc mounting design
• ABS tone ring not included
• Weight approximately 11.3 lbs (5.14 kgs)

Product Line Details: C-TEK Standard Disc Brake Rotors

The C-TEK Standard Disc Brake Rotors line by Centric offers a balance of quality and value for everyday driving conditions. These rotors are designed to meet or exceed OEM specifications, providing dependable braking performance without additional features like venting or ABS tone rings. The solid rotor design and smooth surface help ensure consistent pad contact and wear, making them suitable replacements for original equipment on compatible Buick, Chevrolet, and Pontiac models.

Technical Description and Specifications

This Centric disc brake rotor features a solid construction with a smooth surface type, optimized for vehicles that require a non-vented rotor. The rotor’s nominal thickness is 0.551 inches (14.000 mm), with a discard thickness of 0.492 inches (12.500 mm), indicating the minimum thickness before replacement is necessary. The overall height measures 1.453 inches (36.900 mm), and the outside diameter is 10.630 inches (270.000 mm), ensuring proper fitment and clearance. The rotor mounts using a floating disc mounting system and includes five stud/lug holes with a diameter of 0.559 inches (14.200 mm) arranged on a 4.528-inch (115.000 mm) bolt circle diameter. This rotor does not include an ABS tone ring or bearings.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Buick Allure, LaCrosse, Chevrolet Impala, Impala Limited, and Pontiac Grand Prix
• Addresses brake pulsation and vibration caused by uneven rotor surfaces
• Restores proper rotor thickness to maintain braking efficiency and safety
• Eliminates noise and reduced braking performance from damaged or scored rotors
• Suitable for vehicles originally equipped with solid, non-vented rotors

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 and noise
• Use proper torque specifications on lug nuts to avoid rotor warping
• Check compatibility with vehicle ABS system as 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 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 121.62129 should be confirmed with the supplier, Centric generally offers limited warranties covering defects in materials and workmanship. This rotor is engineered to provide consistent braking performance and durability when installed and maintained according to manufacturer guidelines.