Centric 121.65038 Disc Brake Rotor - Front

Overview of Centric C-TEK Standard Disc Brake Rotor 121.65038

The Centric C-TEK Standard Disc Brake Rotor 121.65038 is engineered for reliable braking performance on Ford E-250 Econoline, E-350 Econoline, and E-350 Econoline Club Wagon models. Designed to meet OEM specifications, this vented rotor includes an ABS tone ring for enhanced compatibility with factory ABS systems.

• Compatible with Ford E-250 Econoline, E-350 Econoline, and E-350 Econoline Club Wagon
• Part number 121.65038 for precise identification
• Vented disc brake rotor design for improved heat dissipation
• Includes ABS tone ring for seamless ABS integration
• Smooth surface finish for consistent pad contact
• Overall diameter of 12.571 inches (319.3 mm) and nominal thickness of 1.240 inches (31.5 mm)
• Eight stud/lug holes with 0.563 inch (14.3 mm) stud thread diameter
• Mounting bolt hole circle diameter of 6.5 inches (165.1 mm)

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric offers rotors manufactured to meet or exceed OEM standards, providing dependable braking performance and durability. This product line focuses on delivering rotors with precise fitment and consistent quality, making them suitable replacements for factory-installed components on compatible vehicles such as the Ford Econoline series.

Technical Specifications and Features

This disc brake rotor features a vented design with straight vanes to optimize airflow and heat dissipation during braking. The rotor has a nominal thickness of 1.240 inches (31.5 mm) and a discard thickness of 1.181 inches (30.0 mm), ensuring safe service limits are clearly defined. The overall height measures 5.622 inches (142.8 mm), and the center hole diameter is 4.870 inches (123.7 mm). The rotor mounts to the hub and rotor assembly with eight lug holes, each with a stud thread diameter of 0.563 inches (14.3 mm) and a bolt thread pitch of 18 mm. The smooth surface type promotes even brake pad wear and consistent braking feel. Note that bearings are not included with this rotor.

Applications and Problem Solving

• Replacement for worn or warped rotors on Ford E-250 Econoline and E-350 Econoline models
• Restores proper braking performance and pedal feel
• Addresses brake pulsation caused by uneven rotor surfaces
• Compatible with ABS systems due to included tone ring
• Helps prevent overheating and brake fade with vented rotor design

Installation Notes and Tips

Ensure the rotor thickness is above the discard thickness of 1.181 inches (30.0 mm) before installation. Clean the rotor surface to remove any protective coatings or contaminants. Verify compatibility with the vehicle’s hub and bearing assembly, noting that bearings are not included. Torque lug nuts to manufacturer specifications and inspect ABS tone ring alignment for proper sensor function.

Quality Assurance and Warranty

Centric C-TEK Standard Disc Brake Rotors are manufactured to meet OEM standards for fit, form, and function. Each rotor undergoes quality control inspections to ensure dimensional accuracy and material integrity. While specific warranty details are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship.