Centric 121.65123 Disc Brake Rotor - Rear

Reliable Disc Brake Rotor for Ford E-Series and F-Series Trucks

The Centric 121.65123 disc brake rotor is engineered for dependable braking performance on Ford E-150, E-150 Econoline, E-250, E-350 Econoline, E-350 Super Duty, F-250, and F-350 models. Designed to meet OEM specifications, this rotor ensures consistent stopping power and durability for your vehicle's braking system.

• Part Number: 121.65123
• Brand: Centric
• Brand Line: C-TEK Standard Disc Brake Rotors
• Vented rotor design for improved heat dissipation
• Outside diameter: 13.583 inches (345.000 mm)
• Nominal thickness: 1.417 inches (36.000 mm)
• Discard thickness: 1.354 inches (34.400 mm)
• Overall height: 3.563 inches (90.500 mm)
• 8 stud/lug holes with 0.626 inch (15.900 mm) diameter
• Smooth surface type for consistent pad contact
• Floating disc mounting design

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 reliable braking performance for a variety of vehicle applications. This product line focuses on delivering rotors with precise dimensions and quality materials, such as the vented rotor design found in part number 121.65123, which helps reduce heat buildup during braking for improved rotor longevity and consistent stopping power.

Product Details and Specifications

This disc brake rotor features a vented design with straight vanes to enhance airflow and cooling, reducing the risk of brake fade during heavy use. The rotor's nominal thickness is 1.417 inches (36.000 mm), with a discard thickness of 1.354 inches (34.400 mm), indicating when replacement is necessary to maintain safe braking performance. The overall height measures 3.563 inches (90.500 mm), and the outside diameter is 13.583 inches (345.000 mm), ensuring proper fitment on compatible Ford E-Series and F-Series trucks. The rotor includes 8 stud/lug holes with a diameter of 0.626 inches (15.900 mm) arranged on a 6.5 inch (165.100 mm) bolt circle diameter. This rotor does not include an ABS tone ring or bearings.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Ford E-150, E-250, E-350, F-250, and F-350 trucks
• Addresses brake pulsation and vibration issues caused by uneven rotor surfaces
• Improves braking performance by restoring proper rotor thickness and surface condition
• Helps reduce brake fade during heavy towing or hauling with vented rotor design
• Suitable for vehicles experiencing excessive rotor heat buildup or cracking

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness before installation
• Clean rotor surface to remove any protective coatings or contaminants
• Check compatibility with vehicle make and model: Ford E-150, E-150 Econoline, E-250, E-350 Econoline, E-350 Super Duty, F-250, F-350
• Torque lug nuts to manufacturer specifications to avoid rotor warping
• Inspect brake pads and replace if worn to ensure optimal rotor performance

Quality Assurance and Warranty

Centric's C-TEK Standard Disc Brake Rotors are manufactured to meet strict quality standards, ensuring consistent dimensions and material integrity. While specific warranty details for part number 121.65123 are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. Always refer to the manufacturer's warranty documentation for complete information.