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Centric 121.61009 Disc Brake Rotor - Front
Overview of Centric C-TEK Standard Disc Brake Rotor 121.61009
The Centric C-TEK Standard Disc Brake Rotor 121.61009 is engineered for reliable braking performance on select Ford and Mercury vehicles. Designed specifically for models such as the Ford Thunderbird, Mercury Cougar, and Mercury Montego, this vented rotor offers consistent stopping power and durability.
- Vented disc brake rotor with smooth surface finish
- Outside diameter: 272.3 mm (10.720 inches)
- Nominal thickness: 30.1 mm (1.185 inches)
- Discard thickness: 28.45 mm (1.120 inches)
- 5 lug holes with 0.5 inch stud thread diameter
- Mounting bolt hole circle diameter: 114.3 mm (4.5 inches)
- Overall height: 122.7 mm (4.831 inches)
- Straight vane style for effective heat dissipation
- Weight approximately 10.5 kg (23.1 lbs)
- Does not include ABS tone ring or bearings
About the C-TEK Standard Disc Brake Rotors Line
The C-TEK Standard Disc Brake Rotors line by Centric is designed to meet or exceed OEM specifications for standard replacement rotors. This product line focuses on providing reliable, direct-fit rotors with consistent dimensions and quality materials. The 121.61009 rotor maintains the precise fit and performance characteristics required for proper braking on compatible Ford and Mercury vehicles, ensuring safe and effective stopping power without the need for modifications.
Detailed Product Description
This Centric disc brake rotor features a vented design with straight vanes to promote efficient heat dissipation during braking, reducing the risk of brake fade. The smooth surface finish supports even pad wear and quiet operation. With a nominal thickness of 30.1 mm and a discard thickness of 28.45 mm, this rotor provides a solid service life before replacement is necessary. The rotor mounts using a 5-lug pattern with a 114.3 mm bolt circle diameter and 0.5 inch stud thread diameter, matching factory specifications for the Ford Thunderbird, Mercury Cougar, and Mercury Montego models. The overall height of 122.7 mm ensures proper alignment with the hub and caliper assembly.
Common Applications and Problem Solving
- Replacement for worn or warped rotors causing brake pulsation
- Restores braking performance on Ford Thunderbird, Mercury Cougar, and Montego
- Addresses rotor thickness below manufacturer discard limits
- Eliminates noise and vibration from uneven rotor surfaces
- Improves heat dissipation to reduce brake fade during extended use
Installation Notes and Tips
- Verify rotor thickness before installation to ensure it meets minimum discard thickness
- Clean rotor surface to remove any protective coatings or debris prior to mounting
- Use proper torque specifications on lug nuts to avoid rotor warping
- Check compatibility with existing brake pads and calipers on Ford and Mercury models
- Inspect hub and bearing condition during installation for optimal performance
Quality Assurance and Warranty
Centric manufactures the C-TEK Standard Disc Brake Rotors to meet strict quality standards, ensuring consistent dimensions and material integrity. While specific warranty details for part number 121.61009 should be confirmed with the supplier, Centric typically offers limited warranties covering defects in materials and workmanship. This rotor is engineered to provide dependable braking performance when installed according to manufacturer guidelines.
| Brand | Centric |
|---|---|
| Part Number | 121.61009 |
| Position | C-TEK Standard Disc Brake Rotors, Front |
| ABS Tone Ring Included | No |
| Bearings Included | No |
| Bolt Thread Pitch | 20.000 |
| Center Hole Diameter | 2.776 |
| Center Hole Diameter | 70.500 |
| Disc Mounting [cntrc] | Hub & Rotor |
| Discard Thickness | 1.120 |
| Discard Thickness | 28.450 |
| Inner Bearing # [cntrc] | 410.91018 |
| Inner Seal # [cntrc] | 417.61000 |
| Misc Holes [cntrc] | 0 |
| Mounting Bolt Hole Circle Diameter | 4.500 |
| Mounting Bolt Hole Circle Diameter | 114.300 |
| Nominal Thickness | 1.185 |
| Nominal Thickness | 30.100 |
| Outer Bearing # [cntrc] | 410.91012 |
| Outside Diameter | 10.720 |
| Outside Diameter | 272.300 |
| Overall Height | 4.831 |
| Overall Height | 122.700 |
| Solid Or Vented Type Rotor | Vented |
| Stud Thread Diameter | 0.500 |
| Stud/Lug Hole Quantity | 5 |
| Surface Type | Smooth |
| Vane Style [cntrc] | Straight |
| Weight [cntrc] kgs | 10.500 |
| Weight [cntrc] lbs | 23.100 |
This part fits 17 vehicles. Search below:
| Year | Make | Model | Submodel | Body Type | Position | Notes |
|---|---|---|---|---|---|---|
| 1979 | Ford | Thunderbird | Front | C-TEK Standard Disc Brake Rotors | ||
| 1979 | Mercury | Cougar | Front | C-TEK Standard Disc Brake Rotors | ||
| 1978 | Ford | Thunderbird | Front | C-TEK Standard Disc Brake Rotors | ||
| 1978 | Mercury | Cougar | Front | C-TEK Standard Disc Brake Rotors | ||
| 1977 | Ford | Thunderbird | Front | C-TEK Standard Disc Brake Rotors | ||
| 1977 | Mercury | Cougar | Front | C-TEK Standard Disc Brake Rotors | ||
| 1976 | Mercury | Cougar | Front | C-TEK Standard Disc Brake Rotors | ||
| 1976 | Mercury | Montego | Wagon | Front | C-TEK Standard Disc Brake Rotors | |
| 1976 | Mercury | Montego | MX | Hardtop | Front | exc Police & Taxi; C-TEK Standard Disc Brake Rotors |
| 1976 | Mercury | Montego | MX Brougham | Hardtop | Front | exc Police & Taxi; C-TEK Standard Disc Brake Rotors |
| 1976 | Mercury | Montego | Base | Hardtop | Front | exc Police & Taxi; C-TEK Standard Disc Brake Rotors |
| 1975 | Mercury | Cougar | Front | C-TEK Standard Disc Brake Rotors | ||
| 1975 | Mercury | Montego | Wagon | Front | C-TEK Standard Disc Brake Rotors | |
| 1975 | Mercury | Montego | Hardtop | Front | exc Police & Taxi; C-TEK Standard Disc Brake Rotors | |
| 1974 | Mercury | Cougar | Front | C-TEK Standard Disc Brake Rotors | ||
| 1974 | Mercury | Montego | Wagon | Front | C-TEK Standard Disc Brake Rotors | |
| 1974 | Mercury | Montego | Hardtop | Front | exc Police & Taxi; 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.