OE Quality
60-Day Returns

Centric 121.65056 Disc Brake Rotor - Front
Overview of Centric C-TEK Standard Disc Brake Rotor 121.65056
The Centric C-TEK Standard Disc Brake Rotor 121.65056 is engineered for reliable braking performance on Ford F-150 trucks. Designed to meet OEM specifications, this vented rotor includes an ABS tone ring and features a smooth surface for consistent pad contact.
- Compatible with Ford F-150 models
- Part number 121.65056 for precise identification
- Vented disc brake rotor design for improved heat dissipation
- Includes ABS tone ring for sensor compatibility
- Nominal thickness of 1.012 inches (25.7 mm) with discard thickness at 0.972 inches (24.7 mm)
- Outside diameter of 12.126 inches (308 mm)
- 5 stud/lug holes with 12 mm stud thread diameter
- Mounting bolt hole circle diameter of 135 mm (5.315 inches)
- Straight vane style for effective cooling
- Weight approximately 28 lbs (12.73 kgs)
Product Line Details: C-TEK Standard Disc Brake Rotors
The C-TEK Standard Disc Brake Rotors line by Centric offers rotors manufactured to meet or exceed OEM standards. This product line focuses on providing reliable, direct replacement rotors with features such as vented designs for heat management and ABS tone rings for modern vehicle sensor systems. The 121.65056 rotor is part of this line, ensuring compatibility and performance for Ford F-150 applications.
Technical Specifications and Features
This disc brake rotor features a nominal thickness of 1.012 inches (25.7 mm) and a discard thickness of 0.972 inches (24.7 mm), indicating the minimum thickness before replacement is necessary. The rotor’s outside diameter measures 12.126 inches (308 mm), suitable for the braking system of the Ford F-150. It includes a 5-lug hole pattern with a 12 mm stud thread diameter and a mounting bolt hole circle diameter of 135 mm (5.315 inches). The rotor is vented with straight vanes to enhance heat dissipation during braking, reducing the risk of brake fade. Additionally, the smooth surface type ensures consistent brake pad contact and wear. The ABS tone ring is integrated to maintain compatibility with the vehicle’s anti-lock braking system sensors.
Applications and Problem Solving
- Replacement for worn or warped rotors on Ford F-150 models
- Addresses brake pulsation and vibration issues
- Restores proper ABS sensor function with included tone ring
- Improves heat dissipation to reduce brake fade during heavy use
- Ensures consistent braking performance and pad wear
Installation Notes and Tips
When installing the Centric C-TEK Standard Disc Brake Rotor 121.65056, ensure the rotor thickness is above the discard thickness of 0.972 inches (24.7 mm). Clean the rotor surface before mounting to remove any protective coatings or debris. Verify the 5-lug hole pattern and mounting bolt hole circle diameter of 135 mm (5.315 inches) match the vehicle hub. Proper torque specifications should be followed for mounting bolts to avoid rotor warping. The included ABS tone ring must be aligned correctly to maintain sensor functionality.
Quality Assurance and Warranty
Centric manufactures the C-TEK Standard Disc Brake Rotors to meet or exceed OEM quality standards. Each rotor undergoes rigorous testing to ensure durability and performance under normal operating conditions. While specific warranty details are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. Refer to Centric’s official documentation for complete warranty information.
| Brand | Centric |
|---|---|
| Part Number | 121.65056 |
| Position | C-TEK Standard Disc Brake Rotors, Front |
| ABS Tone Ring Included | Yes |
| Bearings Included | No |
| Bolt Thread Pitch | 1.750 |
| Center Hole Diameter | 3.417 |
| Center Hole Diameter | 86.800 |
| Disc Mounting [cntrc] | Hub & Rotor |
| Discard Thickness | 0.972 |
| Discard Thickness | 24.700 |
| Inner Bearing # [cntrc] | 410.91018 |
| Inner Seal # [cntrc] | 417.65000 |
| Misc Holes [cntrc] | 0 |
| Mounting Bolt Hole Circle Diameter | 5.315 |
| Mounting Bolt Hole Circle Diameter | 135.000 |
| Nominal Thickness | 1.012 |
| Nominal Thickness | 25.700 |
| Outer Bearing # [cntrc] | 410.91012 |
| Outside Diameter | 12.126 |
| Outside Diameter | 308.000 |
| Overall Height | 4.094 |
| Overall Height | 104.000 |
| Solid Or Vented Type Rotor | Vented |
| Stud Thread Diameter | 12.000 |
| Stud/Lug Hole Quantity | 5 |
| Surface Type | Smooth |
| Vane Style [cntrc] | Straight |
| Weight [cntrc] kgs | 12.730 |
| Weight [cntrc] lbs | 28.000 |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Submodel | Drive Type | Position | Notes |
|---|---|---|---|---|---|---|
| 1999 | Ford | F-150 | XL | RWD | Front | To 11/99; C-TEK Standard Disc Brake Rotors |
| 1999 | Ford | F-150 | Base | RWD | Front | To 11/99; C-TEK Standard Disc Brake Rotors |
| 1998 | Ford | F-150 | RWD | Front | C-TEK Standard Disc Brake Rotors | |
| 1997 | Ford | F-150 | RWD | Front | C-TEK Standard Disc Brake Rotors |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.