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Centric 121.62003 Disc Brake Rotor - Front
Reliable Disc Brake Rotor for GM Full-Size Vehicles
The Centric C-TEK Standard Disc Brake Rotor 121.62003 is engineered for dependable braking performance on select Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models. Designed to meet OEM specifications, this vented rotor ensures consistent heat dissipation and smooth braking for vehicles like the Chevrolet Impala and Cadillac DeVille.
- Vented disc brake rotor with straight vane design for effective cooling
- Nominal thickness of 1.035 inches (26.290 mm) with discard thickness at 0.965 inches (24.510 mm)
- Overall diameter of 11.890 inches (302.000 mm) for precise fitment
- 5 lug holes with 0.500 inch stud thread diameter and 5.000 inch bolt circle diameter
- Center hole diameter of 3.059 inches (77.700 mm) for hub and rotor mounting
- Smooth surface type for consistent pad contact and wear
- Weight approximately 26.1 lbs (11.86 kgs) for balanced performance
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 without unnecessary features. This product line focuses on delivering solid and vented rotors with precise dimensions and quality materials, suitable for a range of GM full-size vehicles. The 121.62003 rotor is a vented type designed to improve heat dissipation, helping maintain braking efficiency under normal driving conditions.
Product Details and Specifications
This Centric rotor features a vented design with straight vanes that promote airflow to reduce heat buildup during braking. The nominal thickness of 1.035 inches ensures durability, while the discard thickness of 0.965 inches indicates when replacement is necessary to maintain safety. The rotor’s 11.890-inch outside diameter and 5-lug hole pattern with a 5.000-inch bolt circle diameter provide a precise fit for compatible vehicles. The smooth surface finish supports even brake pad wear and consistent stopping power. Note that this rotor does not include an ABS tone ring or bearings.
Compatible Vehicles and Applications
- Buick LeSabre, Riviera, and Park Avenue
- Cadillac DeVille, Fleetwood, and Seville
- Chevrolet Impala and Caprice
- Oldsmobile Delta 88 and 98
- Pontiac Bonneville and Catalina
Common Issues Addressed by This Rotor
- Brake pulsation caused by warped rotors
- Reduced braking efficiency due to worn rotor thickness
- Overheating and brake fade from insufficient heat dissipation
- Uneven brake pad wear from rough rotor surfaces
- Noise and vibration related to rotor surface imperfections
Installation Notes and Tips
- Ensure rotor thickness is above discard thickness before installation
- Clean rotor surface to remove any protective coatings or debris
- Check compatibility with vehicle’s hub and lug pattern
- Torque lug nuts to manufacturer specifications to avoid rotor warping
- Inspect brake pads and replace if worn to ensure optimal contact
Quality Assurance and Warranty
Centric’s C-TEK Standard Disc Brake Rotors are manufactured to meet strict quality standards, ensuring consistent performance and durability. While specific warranty details for part number 121.62003 should be confirmed with the supplier, Centric typically offers coverage against defects in materials and workmanship. This rotor is designed to provide reliable braking for compatible Buick, Cadillac, Chevrolet, Oldsmobile, and Pontiac models.
| Brand | Centric |
|---|---|
| Part Number | 121.62003 |
| Position | C-TEK Standard Disc Brake Rotors, Front |
| ABS Tone Ring Included | No |
| Bearings Included | No |
| Bolt Thread Pitch | 20.000 |
| Center Hole Diameter | 3.059 |
| Center Hole Diameter | 77.700 |
| Disc Mounting [cntrc] | Hub & Rotor |
| Discard Thickness | 0.965 |
| Discard Thickness | 24.510 |
| Inner Bearing # [cntrc] | 410.91006 |
| Inner Seal # [cntrc] | 417.62000 |
| Misc Holes [cntrc] | 0 |
| Mounting Bolt Hole Circle Diameter | 5.000 |
| Mounting Bolt Hole Circle Diameter | 127.000 |
| Nominal Thickness | 1.035 |
| Nominal Thickness | 26.290 |
| Outer Bearing # [cntrc] | 410.91002 |
| Outside Diameter | 11.890 |
| Outside Diameter | 302.000 |
| Overall Height | 4.650 |
| Overall Height | 118.100 |
| 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 | 11.860 |
| Weight [cntrc] lbs | 26.100 |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1977 | Buick | LeSabre | Front | 11" Rear Drums; C-TEK Standard Disc Brake Rotors |
| 1977 | Buick | Riviera | Front | C-TEK Standard Disc Brake Rotors |
| 1977 | Cadillac | DeVille | Front | C-TEK Standard Disc Brake Rotors |
| 1977 | Cadillac | Fleetwood | Front | Except Commercial Chassis; C-TEK Standard Disc Brake Rotors |
| 1977 | Cadillac | Seville | Front | C-TEK Standard Disc Brake Rotors |
| 1977 | Chevrolet | Caprice | Front | Fits rear drum brakes with 11" diameter.; C-TEK Standard Disc Brake Rotors |
| 1977 | Chevrolet | Impala | Front | Fits rear drum brakes with 11" diameter.; C-TEK Standard Disc Brake Rotors |
| 1977 | Oldsmobile | 98 | Front | C-TEK Standard Disc Brake Rotors |
| 1977 | Oldsmobile | Custom Cruiser | Front | C-TEK Standard Disc Brake Rotors |
| 1977 | Oldsmobile | Delta 88 | Front | Heavy Duty; C-TEK Standard Disc Brake Rotors |
| 1977 | Pontiac | Bonneville | Front | Fits rear drum brakes with 11" diameter.; C-TEK Standard Disc Brake Rotors |
| 1977 | Pontiac | Catalina | Front | Fits rear drum brakes with 11" diameter.; 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.