Centric 121.65135 Disc Brake Rotor - Rear

Reliable Disc Brake Rotor for Ford F-150

The Centric C-TEK Standard Disc Brake Rotor 121.65135 is engineered to meet the braking demands of Ford F-150 trucks. Designed with precision, this vented rotor ensures consistent performance and durability under various driving conditions.

• Compatible with Ford F-150 models
• Vented disc brake rotor design for improved heat dissipation
• Nominal thickness of 0.984 inches (25.000 mm) with discard thickness at 0.906 inches (23.000 mm)
• Overall height of 3.157 inches (80.200 mm) and outside diameter of 13.709 inches (348.200 mm)
• Six stud/lug holes with a diameter of 0.618 inches (15.700 mm)
• Smooth surface type for consistent pad contact
• Center hole diameter of 3.547 inches (90.100 mm) and mounting bolt hole circle diameter of 5.315 inches (135.000 mm)
• Weight approximately 26.3 lbs (11.94 kgs)

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric offers a balance of quality and value for everyday driving needs. These rotors are designed to meet or exceed OEM specifications, providing reliable stopping power and consistent performance. The vented design of this rotor helps reduce heat buildup, which can improve rotor life and braking efficiency on the Ford F-150.

Product Details and Specifications

This Centric disc brake rotor features a vented construction with straight vanes to optimize airflow and cooling. The nominal thickness is 0.984 inches (25.000 mm), with a discard thickness of 0.906 inches (23.000 mm), indicating when the rotor should be replaced to maintain safe braking performance. The rotor’s overall height is 3.157 inches (80.200 mm), and it has an outside diameter of 13.709 inches (348.200 mm), matching the Ford F-150’s factory specifications. It includes six stud/lug holes with a diameter of 0.618 inches (15.700 mm) and a center hole diameter of 3.547 inches (90.100 mm) for proper fitment. The smooth surface type ensures even pad wear and consistent braking feel.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Ford F-150
• Addresses brake pulsation and vibration issues
• Improves heat dissipation to reduce brake fade
• Restores braking performance after rotor damage or scoring
• Compatible with vehicles requiring vented rotors for enhanced cooling

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness before installation
• Clean rotor surface to remove any protective coating before mounting
• Check compatibility with existing brake pads and hardware
• Torque lug nuts to manufacturer specifications for safety
• Inspect wheel bearings and hub assembly during installation as bearings are not included

Quality Assurance and Warranty

Centric C-TEK Standard Disc Brake Rotors are manufactured to meet OEM standards for fit, form, and function. While specific warranty details are not provided here, Centric typically offers coverage against defects in materials and workmanship. This rotor is designed to provide reliable braking performance for Ford F-150 owners seeking a direct replacement part number 121.65135.