Centric 320.33090H Disc Brake Rotor - Front Left

Centric GCX Front Left Rotor Overview

The Centric GCX Elemental Protection Disc Brake Rotor, part number 320.33090H, is a front left vented rotor built for OE-style braking performance and corrosion resistance. It is a fitment-based replacement for select Porsche Cayenne, Audi Q7, and Volkswagen Touareg applications with 350 mm front discs.

With a fully coated disc finish, coated hat, smooth surface, and high-carbon rotor metallurgy, this rotor is engineered for consistent braking feel and long-term appearance on daily-driven SUVs. The 13.780-inch outside diameter and curved vane design support heat management in demanding front axle use.

Key Features

• Part number 320.33090H
• Fully coated disc finish with coated hat for added rust and corrosion protection
• High-carbon content rotor construction for OE-matched metallurgy
• Vented rotor design with curved vanes
• Smooth friction surface
• Front left application for select 350 mm brake setups
• Outside diameter: 13.780 in. / 350.000 mm
• Nominal thickness: 1.335 in. / 33.900 mm
• Discard thickness: 1.260 in. / 32.000 mm

Centric GCX Elemental Protection Line

Centric’s GCX Elemental Protection Disc Brake Rotor line focuses on application-specific coating patterns and rotor metallurgy to match OE requirements. For this part, the fully coated finish helps protect non-mating surfaces, while the high-carbon formulation is selected to align with the vehicle’s original rotor profile. The result is a direct replacement rotor for drivers who want a clean appearance and dependable braking performance.

Vehicle Fitment

• Fits 2011-2018 Porsche Cayenne, front left.
• Fits 2007-2015 Audi Q7, front left.
• Fits 2008-2010 Porsche Cayenne, front left.
• Fits 2003-2006 Porsche Cayenne, front left.
• Fits 2004-2010 Volkswagen Touareg, front left.

This part cross-references no listed interchange numbers in the provided data. The part number 320.33090H is commonly searched for Porsche Cayenne front left rotor replacement, Audi Q7 front left brake rotor replacement, and Volkswagen Touareg 350 mm front disc applications.

Common Replacement Uses

• Front rotor replacement for rusted or worn 350 mm brake discs
• Correction for brake pulsation caused by rotor wear or thickness variation
• Replacement for scored or heat-spotted front brake rotors
• Service part for vehicles needing a coated OE-style front left rotor
• Brake refresh for Porsche Cayenne, Audi Q7, or Volkswagen Touareg front axle service

Installation Notes and Tips

Verify rotor diameter, thickness, center hole diameter, bolt circle, and vane style before installation. This rotor is a floating-mount, 5-lug, vented front left disc with a 130 mm bolt circle and 85.1 mm center hole diameter. For best results, inspect pads, caliper condition, and hub surface before fitting the new rotor.

Because this rotor is fully coated, avoid contaminating the friction surfaces during handling. Follow the vehicle manufacturer’s brake service procedure and bed-in recommendations after installation.

Quality Assurance

Centric designs the GCX rotor line to meet OE performance expectations while improving resistance to rust and corrosion through its RS200 coating system. The brand also uses application-specific coating patterns and rotor metallurgy to match the vehicle’s original brake requirements.