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Centric 320.42048F Disc Brake Rotor - Front
Overview of Centric GCX Elemental Protection Disc Brake Rotor
The Centric GCX Elemental Protection Disc Brake Rotor - Full Coating (part number 320.42048F) is engineered for reliable braking performance on Infiniti J30 and Q45 models. Designed with a fully coated disc and hat finish, this vented rotor offers enhanced corrosion resistance and durability for long-term use.
- Fully coated disc and hat finish for corrosion protection
- Vented rotor design with straight vane style for improved heat dissipation
- Nominal thickness of 1.102 inches (28.000 mm) and discard thickness of 1.024 inches (26.000 mm)
- Overall height of 2.114 inches (53.700 mm) and outside diameter of 11.020 inches (279.900 mm)
- Floating disc mounting with 5 lug holes (0.500 inch diameter) and 4.500 inch bolt circle diameter
- Smooth surface type for consistent braking contact
- Center hole diameter of 2.677 inches (68.000 mm) with 2 miscellaneous holes
- Weight approximately 18.5 lbs (8.41 kgs)
About the Centric GCX Elemental Protection Disc Brake Rotors - Full Coating Line
The Centric GCX Elemental Protection Disc Brake Rotors - Full Coating product line focuses on providing rotors with a complete protective coating on both the disc and hat surfaces. This full coating helps prevent rust and corrosion, extending the rotor's service life and maintaining consistent braking performance. The vented design with straight vanes enhances heat dissipation, which is critical for vehicles like the Infiniti J30 and Q45 that require dependable stopping power under various driving conditions.
Product Details and Specifications
This disc brake rotor features a nominal thickness of 1.102 inches (28.000 mm) and a discard thickness of 1.024 inches (26.000 mm), ensuring it meets safety standards for replacement. The rotor's overall height is 2.114 inches (53.700 mm), and it has an outside diameter of 11.020 inches (279.900 mm), matching the original equipment specifications for Infiniti J30 and Q45 models. The vented rotor design with straight vanes improves airflow to reduce heat buildup during braking, which helps prevent brake fade. The floating disc mounting system and smooth surface type provide consistent contact with brake pads for reliable stopping power. The rotor includes 5 lug holes with a diameter of 0.500 inches (12.700 mm) and a mounting bolt hole circle diameter of 4.500 inches (114.300 mm). The center hole diameter is 2.677 inches (68.000 mm), accommodating proper fitment on compatible vehicles.
Common Applications and Problem Solving
- Replacement for worn or warped rotors on Infiniti J30 and Q45
- Addresses brake noise caused by rust or corrosion on rotor surfaces
- Improves braking performance by restoring proper rotor thickness and surface finish
- Helps reduce brake fade through vented design and heat dissipation
- Prevents premature rotor failure due to corrosion with full coating protection
Installation Notes and Tips
When installing the Centric GCX Elemental Protection Disc Brake Rotor 320.42048F, ensure the rotor is compatible with your Infiniti J30 or Q45 by verifying lug pattern and dimensions. Clean the hub surface before mounting to prevent runout and ensure proper rotor alignment. Use proper torque specifications on lug nuts to avoid rotor warping. Since this rotor does not include bearings or ABS tone rings, reuse existing components or replace separately if necessary.
Quality Assurance and Warranty
Centric provides quality assurance for the GCX Elemental Protection Disc Brake Rotors - Full Coating line, manufactured to meet or exceed OEM specifications. The full coating process enhances corrosion resistance, contributing to longer rotor life. Warranty details should be confirmed with the supplier or manufacturer, as coverage may vary by region and application.
| Brand | Centric |
|---|---|
| Part Number | 320.42048F |
| Position | Centric GCX Elemental Protection Disc Brake Rotors - Full Coating, Front |
| Discard Thickness | 1.024 |
| Discard Thickness | 26.000 |
| Nominal Thickness | 1.102 |
| Nominal Thickness | 28.000 |
| Disc Finish | Fully coated |
| Hat Finish | Coated |
| Overall Height | 2.114 |
| Overall Height | 53.700 |
| Outside Diameter | 11.020 |
| Outside Diameter | 279.900 |
| ABS Tone Ring Included | No |
| Surface Type | Smooth |
| Solid Or Vented Type Rotor | Vented |
| Bearings Included | No |
| Center Hole Diameter | 2.677 |
| Center Hole Diameter | 68.000 |
| Mounting Bolt Hole Circle Diameter | 114.300 |
| Mounting Bolt Hole Circle Diameter | 4.500 |
| Stud/Lug Hole Quantity | 5 |
| Stud/Lug Hole Diameter | 0.500 |
| Stud/Lug Hole Diameter | 12.700 |
| Disc Mounting [cntrc] | Floating |
| Misc Holes [cntrc] | 2 |
| Vane Style [cntrc] | Straight |
| Weight [cntrc] kgs | 8.410 |
| Weight [cntrc] lbs | 18.500 |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1997 | INFINITI | J30 | Front | Centric GCX Elemental Protection Disc Brake Rotors - Full Coating |
| 1996 | INFINITI | J30 | Front | Centric GCX Elemental Protection Disc Brake Rotors - Full Coating |
| 1996 | INFINITI | Q45 | Front | Centric GCX Elemental Protection Disc Brake Rotors - Full Coating |
| 1995 | INFINITI | J30 | Front | Centric GCX Elemental Protection Disc Brake Rotors - Full Coating |
| 1995 | INFINITI | Q45 | Front | Centric GCX Elemental Protection Disc Brake Rotors - Full Coating |
| 1994 | INFINITI | J30 | Front | Centric GCX Elemental Protection Disc Brake Rotors - Full Coating |
| 1994 | INFINITI | Q45 | Front | Centric GCX Elemental Protection Disc Brake Rotors - Full Coating |
| 1993 | INFINITI | J30 | Front | Centric GCX Elemental Protection Disc Brake Rotors - Full Coating |
| 1993 | INFINITI | Q45 | Front | Centric GCX Elemental Protection Disc Brake Rotors - Full Coating |
| 1992 | INFINITI | Q45 | Front | Centric GCX Elemental Protection Disc Brake Rotors - Full Coating |
| 1991 | INFINITI | Q45 | Front | Centric GCX Elemental Protection Disc Brake Rotors - Full Coating |
| 1990 | INFINITI | Q45 | Front | 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.