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Centric 121.43007 Disc Brake Rotor - Front
Overview of Centric C-TEK Standard Disc Brake Rotor 121.43007
The Centric C-TEK Standard Disc Brake Rotor 121.43007 is engineered for reliable braking performance on Chevrolet, Geo, and Isuzu vehicles, specifically models like the I-Mark and Spectrum. This solid rotor offers consistent stopping power with precise fitment and durable construction.
- Compatible with Chevrolet I-Mark, Geo Spectrum, and Isuzu models
- Part number 121.43007 for exact replacement
- Solid disc brake rotor with smooth surface finish
- Nominal thickness of 0.433 inches (11.000 mm) and discard thickness of 0.378 inches (9.600 mm)
- Outside diameter of 8.937 inches (227.000 mm) for proper fit
- Floating disc mounting center for improved rotor alignment
- Four stud/lug holes with 0.492 inch (12.500 mm) diameter
- Overall height of 1.654 inches (42.000 mm)
Product Line Details: C-TEK Standard Disc Brake Rotors
The C-TEK Standard Disc Brake Rotors line by Centric is designed to provide dependable, OEM-quality replacement rotors. This product line focuses on solid rotors with smooth surfaces, suitable for standard braking applications without ABS tone rings or additional features. The 121.43007 rotor maintains strict manufacturing tolerances to ensure proper fit and function on compatible Chevrolet, Geo, and Isuzu vehicles.
Technical Specifications and Features
This disc brake rotor features a nominal thickness of 0.433 inches (11.000 mm) and a discard thickness of 0.378 inches (9.600 mm), indicating when the rotor should be replaced to maintain safe braking performance. The rotor’s outside diameter measures 8.937 inches (227.000 mm), matching OEM dimensions for the specified vehicle models. It includes a floating disc mounting center and four stud/lug holes with a diameter of 0.492 inches (12.500 mm), ensuring secure installation. The smooth surface type supports consistent pad contact and braking efficiency.
Common Applications and Problem Solving
- Replacement for worn or warped rotors on Chevrolet I-Mark and Geo Spectrum
- Restores braking performance affected by rotor thickness below discard limits
- Addresses brake pulsation caused by uneven rotor surfaces
- Suitable for vehicles requiring solid rotors without ABS tone rings
- Helps maintain proper rotor alignment with floating disc mounting
Installation Notes and Tips
- Verify rotor thickness before installation to ensure it meets nominal specifications
- 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 vehicle’s mounting bolt hole circle diameter of 3.937 inches (100.000 mm)
- Ensure brake pads are inspected and replaced if worn during rotor installation
Quality Assurance and Warranty
Centric manufactures the C-TEK Standard Disc Brake Rotors to meet or exceed OEM standards for fit, form, and function. While specific warranty details for part number 121.43007 are not provided here, Centric typically offers coverage against defects in materials and workmanship. Users should consult product documentation or Centric directly for warranty terms related to this rotor.
| Brand | Centric |
|---|---|
| Part Number | 121.43007 |
| Position | C-TEK Standard Disc Brake Rotors, Front |
| ABS Tone Ring Included | No |
| Bearings Included | No |
| Center Hole Diameter | 2.244 |
| Center Hole Diameter | 57.000 |
| Disc Mounting [cntrc] | Floating |
| Discard Thickness | 0.378 |
| Discard Thickness | 9.600 |
| Misc Holes [cntrc] | 0 |
| Mounting Bolt Hole Circle Diameter | 3.937 |
| Mounting Bolt Hole Circle Diameter | 100.000 |
| Nominal Thickness | 0.433 |
| Nominal Thickness | 11.000 |
| Outside Diameter | 8.937 |
| Outside Diameter | 227.000 |
| Overall Height | 1.654 |
| Overall Height | 42.000 |
| Solid Or Vented Type Rotor | Solid |
| Stud/Lug Hole Diameter | 0.492 |
| Stud/Lug Hole Diameter | 12.500 |
| Stud/Lug Hole Quantity | 4 |
| Surface Type | Smooth |
| Weight [cntrc] kgs | 3.300 |
| Weight [cntrc] lbs | 7.250 |
This part fits 16 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 1989 | Geo | Spectrum | Front | exc F41; C-TEK Standard Disc Brake Rotors | |
| 1989 | Isuzu | I-Mark | Front | C-TEK Standard Disc Brake Rotors | |
| 1988 | Chevrolet | Spectrum | Express | Front | exc F41 Pkg; C-TEK Standard Disc Brake Rotors |
| 1988 | Chevrolet | Spectrum | CL | Front | exc F41 Pkg; C-TEK Standard Disc Brake Rotors |
| 1988 | Chevrolet | Spectrum | CL Plus | Front | exc F41 Pkg; C-TEK Standard Disc Brake Rotors |
| 1988 | Chevrolet | Spectrum | Base | Front | exc F41 Pkg; C-TEK Standard Disc Brake Rotors |
| 1988 | Isuzu | I-Mark | Front | C-TEK Standard Disc Brake Rotors | |
| 1987 | Chevrolet | Spectrum | Express | Front | exc F41 Pkg; C-TEK Standard Disc Brake Rotors |
| 1987 | Chevrolet | Spectrum | CL | Front | exc F41 Pkg; C-TEK Standard Disc Brake Rotors |
| 1987 | Chevrolet | Spectrum | CL Plus | Front | exc F41 Pkg; C-TEK Standard Disc Brake Rotors |
| 1987 | Chevrolet | Spectrum | Base | Front | exc F41 Pkg; C-TEK Standard Disc Brake Rotors |
| 1987 | Isuzu | I-Mark | Front | C-TEK Standard Disc Brake Rotors | |
| 1986 | Chevrolet | Spectrum | Front | exc F41 Pkg; C-TEK Standard Disc Brake Rotors | |
| 1986 | Isuzu | I-Mark | Front | C-TEK Standard Disc Brake Rotors | |
| 1985 | Chevrolet | Spectrum | Front | exc F41 Pkg; C-TEK Standard Disc Brake Rotors | |
| 1985 | Isuzu | I-Mark | 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.