Centric 121.65143 Disc Brake Rotor - Rear

Reliable Disc Brake Rotor for Ford Super Duty Trucks

The Centric C-TEK Standard Disc Brake Rotor 121.65143 is engineered to meet the braking demands of Ford F-250 Super Duty and F-350 Super Duty models. Designed for durability and consistent performance, this vented rotor ensures effective heat dissipation and reliable stopping power under heavy-duty conditions.

• Compatible with Ford F-250 Super Duty and F-350 Super Duty
• Part number 121.65143 for precise fitment
• Vented disc design with 53 straight vanes for enhanced cooling
• Nominal thickness of 1.496 inches (38.000 mm) and discard thickness of 1.433 inches (36.400 mm)
• Overall height of 4.976 inches (126.400 mm) and outside diameter of 14.291 inches (363.000 mm)
• Eight mounting bolt holes with a 6.693 inch (170.000 mm) bolt circle diameter
• Smooth surface type for consistent brake pad contact
• Disc mounts behind the hub for proper alignment

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 standard replacement needs. These rotors are designed to meet or exceed OEM specifications, providing reliable braking performance for heavy-duty vehicles like the Ford F-250 and F-350 Super Duty. The vented rotor design helps maintain optimal operating temperatures, reducing the risk of brake fade during demanding driving conditions.

Technical Specifications and Features

This disc brake rotor features a vented design with 53 straight vanes, promoting efficient heat dissipation to maintain braking performance. The nominal thickness measures 1.496 inches (38.000 mm), with a discard thickness of 1.433 inches (36.400 mm), ensuring safe replacement intervals. The rotor's overall height is 4.976 inches (126.400 mm), and it has an outside diameter of 14.291 inches (363.000 mm). It includes eight mounting bolt holes with a diameter of 0.638 inches (16.200 mm) arranged on a 6.693 inch (170.000 mm) bolt circle diameter. The center hole diameter is 4.996 inches (126.900 mm), and the rotor mounts behind the hub for proper installation. The smooth surface type ensures consistent contact with brake pads, contributing to even wear and braking efficiency.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Restores braking performance on Ford F-250 Super Duty and F-350 Super Duty
• Addresses overheating issues with vented rotor design
• Eliminates uneven brake pad wear due to rotor surface imperfections
• Improves stopping power and safety under heavy load conditions

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness before installation
• Clean mounting surfaces to prevent rotor runout
• Torque mounting bolts to manufacturer specifications
• Check compatibility with existing brake pads and hardware
• Inspect hub and bearings for wear during rotor replacement

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 for part number 121.65143 should be confirmed with the supplier, Centric generally offers coverage against defects in materials and workmanship. This rotor is designed to provide consistent braking performance for Ford F-250 Super Duty and F-350 Super Duty vehicles when installed and maintained properly.