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Centric 320.66032F Disc Brake Rotor - Rear
Overview of Centric GCX Elemental Protection Disc Brake Rotors
The Centric GCX Elemental Protection Disc Brake Rotors - Full Coating provide reliable braking performance for Chevrolet and GMC heavy-duty vehicles. Designed specifically for models like the Chevrolet P30 and GMC P3500, these rotors offer durability and corrosion resistance through a full coating finish.
- Full coating on disc and hat for enhanced corrosion protection
- Vented rotor design for improved heat dissipation
- Compatible with Chevrolet P30 and GMC P3500 models
- Part number 320.66032F for precise identification
- Solid construction with smooth surface finish for consistent braking
- 10 mounting bolt holes with a 7.252-inch bolt circle diameter
- Overall diameter of 344.9 mm (13.579 inches) and height of 110.9 mm (4.366 inches)
Detailed Product Features and Specifications
The Centric GCX Elemental Protection Disc Brake Rotor (part number 320.66032F) features a fully coated disc and hat finish that helps prevent rust and corrosion, extending the rotor's service life. This vented rotor design includes straight vanes that promote efficient heat dissipation during braking, reducing the risk of brake fade under heavy loads. The rotor has a nominal thickness of 36.2 mm (1.425 inches) and a discard thickness of 34.7 mm (1.366 inches), ensuring it meets OEM specifications for safe operation. The smooth surface finish supports consistent pad contact and braking performance. With 10 mounting bolt holes and a center hole diameter of 139.8 mm (5.504 inches), this rotor mounts behind the hub, matching the original equipment setup for Chevrolet P30 and GMC P3500 vehicles.
About the Centric GCX Elemental Protection Product Line
The Centric GCX Elemental Protection Disc Brake Rotors - Full Coating line is engineered to provide enhanced corrosion resistance through a complete coating process on both the rotor disc and hat. This product line is designed for commercial and heavy-duty applications where durability and longevity are critical. By offering a fully coated rotor, Centric addresses common issues related to rust and environmental wear, making these rotors suitable for Chevrolet and GMC trucks that operate in demanding conditions.
Common Applications and Problem Solving
- Replacement for worn or warped rotors on Chevrolet P30 and GMC P3500
- Solves issues related to rotor corrosion and rust buildup
- Addresses brake fade caused by overheating with vented rotor design
- Restores smooth braking performance by providing a consistent friction surface
- Compatible upgrade for rotors requiring a full coating finish for extended life
Installation Notes and Tips
- Ensure rotor thickness is above discard thickness (34.7 mm) before installation
- Clean mounting surfaces to prevent uneven rotor seating
- Torque mounting bolts to manufacturer specifications for secure fitment
- Check compatibility with ABS systems; this rotor does not include an ABS tone ring
- Inspect brake pads and replace if worn to maintain optimal braking
Quality Assurance and Warranty
Centric rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The full coating process provides additional protection against corrosion, contributing to longer service life. While specific warranty details 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.
| Brand | Centric |
|---|---|
| Part Number | 320.66032F |
| Position | Centric GCX Elemental Protection Disc Brake Rotors - Full Coating, Rear |
| ABS Tone Ring Included | No |
| Bearings Included | No |
| Center Hole Diameter | 5.504 |
| Center Hole Diameter | 139.800 |
| Disc Finish | Fully Coated |
| Disc Mounting [cntrc] | Behind the Hub |
| Discard Thickness | 1.366 |
| Discard Thickness | 34.700 |
| Hat Finish | Coated |
| Misc Holes [cntrc] | 0 |
| Mounting Bolt Hole Circle Diameter | 7.252 |
| Mounting Bolt Hole Circle Diameter | 184.200 |
| Mounting Bolt Hole Diameter | 0.669 |
| Mounting Bolt Hole Diameter | 17.000 |
| Mounting Bolt Hole Quantity | 10 |
| Nominal Thickness | 1.425 |
| Nominal Thickness | 36.200 |
| Outside Diameter | 13.579 |
| Outside Diameter | 344.900 |
| Overall Height | 4.366 |
| Overall Height | 110.900 |
| Solid Or Vented Type Rotor | Vented |
| Surface Type | Smooth |
| Vane Style [cntrc] | Straight |
| Weight [cntrc] kgs | 16.360 |
| Weight [cntrc] lbs | 36.000 |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1999 | Chevrolet | P30 | Rear | Centric GCX Elemental Protection Disc Brake Rotors - Full Coating |
| 1999 | GMC | P3500 | Rear | Centric GCX Elemental Protection Disc Brake Rotors - Full Coating |
| 1998 | Chevrolet | P30 | Rear | Centric GCX Elemental Protection Disc Brake Rotors - Full Coating |
| 1998 | GMC | P3500 | Rear | Centric GCX Elemental Protection Disc Brake Rotors - Full Coating |
| 1997 | Chevrolet | P30 | Rear | Centric GCX Elemental Protection Disc Brake Rotors - Full Coating |
| 1997 | GMC | P3500 | Rear | Centric GCX Elemental Protection Disc Brake Rotors - Full Coating |
* 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.