Centric 121.99043 Disc Brake Rotor - Front

Overview of Centric C-TEK Standard Disc Brake Rotor 121.99043

The Centric C-TEK Standard Disc Brake Rotor 121.99043 is engineered to provide reliable braking performance for a range of vehicles. Designed with precision, this vented rotor offers consistent heat dissipation and smooth surface finish to maintain effective stopping power under various driving conditions.

• Part Number: 121.99043
• Brand: Centric
• Brand Line: C-TEK Standard Disc Brake Rotors
• Vented disc brake rotor with smooth surface
• Outside diameter: 10.236 inches (260 mm)
• Nominal thickness: 0.929 inches (23.6 mm)
• Discard thickness: 0.882 inches (22.4 mm)
• Overall height: 1.618 inches (41.1 mm)
• Center hole diameter: 2.362 inches (60 mm)
• Mounting bolt hole circle diameter: 3.937 inches (100 mm)
• Stud/lug hole quantity: 6 with diameter 0.559 inches (14.2 mm)
• Floating disc mounting with one miscellaneous hole
• Weight: 11.35 lbs (5.16 kgs)
• ABS tone ring not included
• Bearings not included

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric focuses on delivering dependable, OE-quality replacement rotors. These rotors are designed to meet or exceed original equipment specifications, providing consistent braking performance and durability. The 121.99043 rotor is part of this line, featuring a vented design that helps reduce heat buildup and maintain braking efficiency during extended use.

Technical Details and Compatibility

This vented disc brake rotor measures 10.236 inches in outside diameter and has a nominal thickness of 0.929 inches, with a discard thickness of 0.882 inches. The overall height is 1.618 inches, ensuring proper fitment in compatible brake systems. The rotor includes six stud/lug holes with a diameter of 0.559 inches arranged on a 3.937-inch bolt circle diameter. The center hole diameter is 2.362 inches, designed for floating disc mounting with one additional miscellaneous hole. This rotor does not include an ABS tone ring or bearings, so those components must be sourced separately if required by the vehicle.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Addressing rotor thickness below manufacturer discard limits
• Improving heat dissipation to reduce brake fade during heavy use
• Restoring smooth braking surface for consistent pad contact
• Upgrading to vented rotors for enhanced cooling performance

Installation Notes and Tips

• Verify rotor dimensions and bolt pattern compatibility with your vehicle before installation
• Ensure the rotor thickness is above discard thickness to maintain safety and performance
• Clean rotor surface and hub mounting area to prevent uneven wear or vibration
• Use proper torque specifications on mounting bolts to avoid rotor warping
• Check for ABS tone ring requirements as this rotor does not include one

Quality Assurance and Warranty

Centric manufactures the C-TEK Standard Disc Brake Rotors to meet strict quality standards, ensuring reliable performance and durability. While specific warranty details for part number 121.99043 should be confirmed with the vehicle manufacturer or distributor, Centric products typically come with a limited warranty against defects in materials and workmanship.