HomeBrake > Drums and RotorsCentric 121.37030 Disc Brake Rotor - Front
Part #: 121.37030

Centric 121.37030 Disc Brake Rotor - Front

C-TEK Standard Disc Brake Rotors, Front
15 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: Porsche, Boxster
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 121.37030

The Centric C-TEK Standard Disc Brake Rotor 121.37030 is engineered for reliable braking performance on Porsche Boxster models. Designed as a vented rotor with a smooth surface, it offers consistent heat dissipation and durability for everyday driving conditions.

  • Compatible with Porsche Boxster vehicles
  • Vented disc brake rotor design for improved cooling
  • Overall diameter of 298 mm (11.732 inches)
  • Nominal thickness of 24.000 mm (0.945 inches)
  • Discard thickness at 22.000 mm (0.866 inches)
  • Floating disc mounting style with 5 lug holes
  • Straight vane style for efficient airflow
  • Center hole diameter of 98.000 mm (3.858 inches)
  • Weight approximately 14.71 lbs (6.69 kgs)

Detailed Product Description

This Centric C-TEK Standard Disc Brake Rotor 121.37030 is specifically designed for Porsche Boxster models, ensuring precise fitment and optimal braking performance. The rotor features a vented design with straight vanes that facilitate effective heat dissipation, reducing the risk of brake fade during extended use. Its smooth surface type provides consistent pad contact and braking feel. The rotor’s overall height measures 67.200 mm (2.646 inches), and it includes a floating disc mounting system that helps accommodate thermal expansion and reduces stress on the braking components. With five lug holes sized at 15.400 mm (0.606 inches) diameter and a mounting bolt hole circle diameter of 130.000 mm (5.118 inches), this rotor matches the factory specifications for the Porsche Boxster.

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric offers rotors designed to meet or exceed OEM specifications for fit, form, and function. This product line focuses on providing reliable, direct replacement rotors with quality materials and manufacturing processes. The 121.37030 rotor exemplifies this approach by delivering consistent braking performance and durability suitable for daily driving and standard braking demands on Porsche Boxster vehicles.

Common Applications and Problem Solving

  • Replacement for worn or warped rotors causing brake pulsation
  • Addressing rotor thickness below discard limits to maintain safe braking
  • Improving heat dissipation to reduce brake fade during extended use
  • Restoring proper rotor dimensions for consistent pad contact and braking feel
  • Ensuring compatibility with Porsche Boxster brake systems requiring vented rotors

Installation Notes and Tips

  • Verify rotor dimensions and bolt pattern match your Porsche Boxster before installation
  • Ensure the rotor surface is clean and free of contaminants prior to mounting
  • Use proper torque specifications on lug nuts to avoid rotor warping
  • Check for ABS tone ring compatibility; this rotor does not include an ABS tone ring
  • Inspect brake pads and hardware during rotor replacement for optimal system performance

Quality Assurance and Warranty

Centric manufactures the C-TEK Standard Disc Brake Rotors to meet stringent quality standards, ensuring reliable performance and durability. While specific warranty details for part number 121.37030 should be confirmed at the point of purchase, Centric typically offers limited warranties covering defects in materials and workmanship. This rotor is produced to OEM specifications to provide consistent fit and function for Porsche Boxster brake systems.

BrandCentric
Part Number121.37030
PositionC-TEK Standard Disc Brake Rotors, Front
ABS Tone Ring IncludedNo
Bearings IncludedNo
Center Hole Diameter3.858
Center Hole Diameter98.000
Disc Mounting [cntrc]Floating
Discard Thickness0.866
Discard Thickness22.000
Misc Holes [cntrc]4
Mounting Bolt Hole Circle Diameter5.118
Mounting Bolt Hole Circle Diameter130.000
Nominal Thickness0.945
Nominal Thickness24.000
Outside Diameter11.732
Outside Diameter298.000
Overall Height2.646
Overall Height67.200
Solid Or Vented Type RotorVented
Stud/Lug Hole Diameter0.606
Stud/Lug Hole Diameter15.400
Stud/Lug Hole Quantity5
Surface TypeSmooth
Vane Style [cntrc]Straight
Weight [cntrc] kgs6.690
Weight [cntrc] lbs14.710

This part fits 15 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
2004PorscheBoxsterBaseFrontC-TEK Standard Disc Brake Rotors
2003PorscheBoxsterSFrontC-TEK Standard Disc Brake Rotors
2003PorscheBoxsterRoadsterFrontC-TEK Standard Disc Brake Rotors
2003PorscheBoxsterBaseFrontC-TEK Standard Disc Brake Rotors
2002PorscheBoxsterSFrontC-TEK Standard Disc Brake Rotors
2002PorscheBoxsterRoadsterFrontC-TEK Standard Disc Brake Rotors
2002PorscheBoxsterBaseFrontC-TEK Standard Disc Brake Rotors
2001PorscheBoxsterSFrontC-TEK Standard Disc Brake Rotors
2001PorscheBoxsterRoadsterFrontC-TEK Standard Disc Brake Rotors
2001PorscheBoxsterBaseFrontC-TEK Standard Disc Brake Rotors
2000PorscheBoxsterRoadsterFrontC-TEK Standard Disc Brake Rotors
2000PorscheBoxsterBaseFrontC-TEK Standard Disc Brake Rotors
1999PorscheBoxsterFrontC-TEK Standard Disc Brake Rotors
1998PorscheBoxsterFrontC-TEK Standard Disc Brake Rotors
1997PorscheBoxsterFrontC-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.