HomeBrake > Drums and RotorsCentric 121.42048 Disc Brake Rotor - Front
Part #: 121.42048

Centric 121.42048 Disc Brake Rotor - Front

C-TEK Standard Disc Brake Rotors, Front
12 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
C-TEK Standard Disc Brake Rotors, Front
Fitment: INFINITI, J30 and Q45
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Centric C-TEK Standard Disc Brake Rotor 121.42048

The Centric C-TEK Standard Disc Brake Rotor 121.42048 is engineered for reliable braking performance on Infiniti J30 and Q45 models. Designed as a vented rotor with a smooth surface, it offers consistent heat dissipation and stable stopping power under various driving conditions.

  • Compatible with Infiniti J30 and Q45 vehicles
  • Vented disc brake rotor for improved cooling
  • Overall diameter of 11.020 inches (279.9 mm)
  • Nominal thickness of 1.102 inches (28.0 mm) with discard thickness at 1.024 inches (26.0 mm)
  • Floating disc mounting with 5 lug holes (0.5 inch diameter)
  • Straight vane style for efficient airflow
  • Center hole diameter of 2.677 inches (68.0 mm)
  • Weight approximately 18.5 lbs (8.41 kgs)

Detailed Product Description

This Centric C-TEK Standard Disc Brake Rotor (part number 121.42048) is specifically designed for Infiniti J30 and Q45 models, ensuring precise fitment and optimal braking performance. The rotor features a vented design with straight vanes that promote effective heat dissipation, reducing the risk of brake fade during extended use. Its smooth surface type provides consistent pad contact, minimizing uneven wear and noise. The rotor’s overall height measures 2.114 inches (53.7 mm), and it includes two miscellaneous holes for mounting or alignment purposes. The floating disc mounting style allows for slight movement to accommodate thermal expansion and improve rotor longevity.

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric offers a balance of quality and value for everyday driving needs. These rotors are engineered to meet or exceed OEM specifications, providing dependable braking performance without unnecessary features. The line focuses on solid construction with vented designs to maintain temperature control, making them suitable replacements for Infiniti J30 and Q45 vehicles requiring reliable rotor components.

Common Applications and Problem Solving

  • Replacement for worn or warped rotors causing brake pulsation
  • Addressing reduced braking efficiency due to rotor thickness below discard limits
  • Eliminating brake noise caused by uneven rotor surfaces
  • Improving heat dissipation to prevent brake fade during heavy use
  • Ensuring proper fitment and alignment for Infiniti J30 and Q45 brake systems

Installation Notes and Tips

  • Verify rotor thickness before installation; discard thickness is 1.024 inches (26.0 mm)
  • Ensure mounting surfaces are clean and free of debris for proper rotor seating
  • Use correct torque specifications on lug nuts to avoid rotor warping
  • Check compatibility with existing brake pads and hardware
  • Inspect hub and bearing condition prior to rotor installation

Quality Assurance and Warranty

Centric 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 121.42048 are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. It is recommended to consult product documentation or authorized sources for exact warranty terms.

BrandCentric
Part Number121.42048
PositionC-TEK Standard Disc Brake Rotors, Front
ABS Tone Ring IncludedNo
Bearings IncludedNo
Center Hole Diameter2.677
Center Hole Diameter68.000
Disc Mounting [cntrc]Floating
Discard Thickness1.024
Discard Thickness26.000
Misc Holes [cntrc]2
Mounting Bolt Hole Circle Diameter4.500
Mounting Bolt Hole Circle Diameter114.300
Nominal Thickness1.102
Nominal Thickness28.000
Outside Diameter11.020
Outside Diameter279.900
Overall Height2.114
Overall Height53.700
Solid Or Vented Type RotorVented
Stud/Lug Hole Diameter0.500
Stud/Lug Hole Diameter12.700
Stud/Lug Hole Quantity5
Surface TypeSmooth
Vane Style [cntrc]Straight
Weight [cntrc] kgs8.410
Weight [cntrc] lbs18.500

This part fits 12 vehicles. Search below:

YearMakeModelPositionNotes
1997INFINITIJ30FrontC-TEK Standard Disc Brake Rotors
1996INFINITIJ30FrontC-TEK Standard Disc Brake Rotors
1996INFINITIQ45FrontC-TEK Standard Disc Brake Rotors
1995INFINITIJ30FrontC-TEK Standard Disc Brake Rotors
1995INFINITIQ45FrontC-TEK Standard Disc Brake Rotors
1994INFINITIJ30FrontC-TEK Standard Disc Brake Rotors
1994INFINITIQ45FrontC-TEK Standard Disc Brake Rotors
1993INFINITIJ30FrontC-TEK Standard Disc Brake Rotors
1993INFINITIQ45FrontC-TEK Standard Disc Brake Rotors
1992INFINITIQ45FrontC-TEK Standard Disc Brake Rotors
1991INFINITIQ45FrontC-TEK Standard Disc Brake Rotors
1990INFINITIQ45FrontC-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.