Centric 121.99108 Disc Brake Rotor - Front

Centric C-TEK Front Brake Rotor for Spark

The Centric C-TEK Standard Disc Brake Rotor, part number 121.99108, is a front rotor built for 2017 Chevrolet Spark and 2017 Chevrolet Spark Classic applications. It combines a smooth surface finish with vented construction to support consistent braking performance and service life in everyday driving.

Key Features

• Centric C-TEK Standard Disc Brake Rotors line for OE-style replacement needs
• Fits 2017 Chevrolet Spark, front
• Fits 2017 Chevrolet Spark Classic, front
• Vented rotor design for front brake heat management
• Smooth surface type for a clean braking contact area
• Outside diameter: 236.000 mm (9.291 in)
• Nominal thickness: 20.000 mm (0.787 in)
• Discard thickness: 18.000 mm (0.709 in)
• 4-lug pattern with 100.000 mm bolt circle diameter
• Center hole diameter: 60.000 mm

Product Details

Centric’s C-TEK Standard Disc Brake Rotors line is positioned for drivers who want a practical replacement rotor with balanced performance, service life, and value. Part number 121.99108 uses a vented, floating-mount design with a 41.000 mm overall height and a 124.900 mm hat ID, making it a direct-fit front brake rotor for the listed Chevrolet subcompact models. This part cross-references Dorman - HELP 47101 for the same application.

Common Brake Issues It Can Address

• Front brake pulsation caused by rotor wear or thickness variation
• Reduced braking consistency from a worn or heat-affected rotor surface
• Noise related to rotor condition during normal braking
• Service replacement needs when the rotor reaches discard thickness
• Brake maintenance on a 2017 Chevrolet Spark or 2017 Chevrolet Spark Classic

Installation Notes and Tips

Verify rotor dimensions, hub fitment, and lug pattern before installation. Clean the hub mounting surface thoroughly to help prevent runout-related brake pulsation. Inspect pads, calipers, and hardware condition at the same time, and measure rotor thickness after installation to confirm it remains within service limits. Part number 121.99108 is a front rotor only and is listed for the applications shown above.

Quality Assurance

Centric markets the C-TEK Standard Disc Brake Rotors line as a value-focused replacement option for a wide range of applications, with emphasis on dependable performance and service life. Part number 121.99108 follows that approach with application-specific dimensions and a standard rotor design for the listed Chevrolet Spark fitments.