Centric 121.65149 Disc Brake Rotor - Rear

Reliable Disc Brake Rotor for Ford F-150

The Centric C-TEK Standard Disc Brake Rotor 121.65149 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 0.866 inches (22.000 mm) and discard thickness of 0.787 inches (20.000 mm)
• Overall height of 1.768 inches (44.900 mm)
• Outside diameter measures 13.228 inches (336.000 mm)
• Floating disc mounting for enhanced rotor stability
• Smooth surface type for consistent pad contact
• Five stud/lug holes with 0.614 inch (15.600 mm) diameter
• OEM vane count of 50 with straight vane style for effective cooling
• Center hole diameter of 3.543 inches (90.000 mm)

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric offers reliable replacement rotors designed to meet or exceed OEM specifications. This product line focuses on providing solid and vented rotors with precise fitment and consistent braking performance. The 121.65149 rotor is part of this line, featuring vented construction and a floating disc mounting system to maintain rotor integrity and heat management for Ford F-150 vehicles.

Technical Details and Specifications

This Centric rotor has a nominal thickness of 0.866 inches (22.000 mm) and a discard thickness of 0.787 inches (20.000 mm), ensuring it meets safety standards for replacement. The vented design includes 50 straight vanes that facilitate airflow to reduce heat buildup during braking. The rotor’s overall height is 1.768 inches (44.900 mm), with an outside diameter of 13.228 inches (336.000 mm), matching the original equipment dimensions for proper fitment. The floating disc mounting helps accommodate thermal expansion and reduces stress on the rotor, contributing to longer service life.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Ford F-150 trucks
• Addresses brake fade caused by overheating during heavy use
• Resolves vibration or pulsation issues due to uneven rotor surfaces
• Improves braking consistency and pedal feel
• Suitable for restoring OEM braking performance after rotor damage

Installation Notes and Tips

Ensure the rotor surface is clean and free of rust or debris before installation. Verify the rotor thickness is above the discard limit of 0.787 inches (20.000 mm) to maintain safety. Use proper torque specifications on the five lug nuts with 0.614 inch (15.600 mm) diameter holes. The floating disc mounting requires careful alignment to avoid rotor runout. It is recommended to replace brake pads simultaneously to ensure optimal braking performance.

Quality Assurance and Warranty

Centric’s C-TEK Standard Disc Brake Rotors are manufactured to meet strict quality standards and OEM specifications. While specific warranty details for part number 121.65149 are not provided here, Centric typically offers coverage against defects in materials and workmanship. Always consult product documentation or the manufacturer for exact warranty terms.