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Centric 121.33078 Disc Brake Rotor - Rear
Reliable Disc Brake Rotor for Audi, Porsche, and Volkswagen
The Centric C-TEK Standard Disc Brake Rotor 121.33078 is engineered for precise fitment and consistent braking performance on Audi Q7, Porsche Cayenne, and Volkswagen Touareg models. Designed to meet OEM specifications, this vented rotor ensures effective heat dissipation and durability under demanding driving conditions.
- Vented disc brake rotor with smooth surface finish
- Outside diameter: 330 mm (12.992 inches)
- Nominal thickness: 28.000 mm (1.102 inches)
- Discard thickness: 26.000 mm (1.024 inches)
- Overall height: 73.700 mm (2.902 inches)
- 5 lug holes with 130 mm bolt circle diameter
- Center hole diameter: 85 mm (3.346 inches)
- Weight: 8.64 kg (19 lbs)
- ABS tone ring not included
About the C-TEK Standard Disc Brake Rotors Line
The C-TEK Standard Disc Brake Rotors line by Centric offers rotors manufactured to meet or exceed OEM standards for fit, form, and function. This product line focuses on providing reliable braking components with precise dimensions and quality materials, suitable for replacement on premium vehicles such as Audi, Porsche, and Volkswagen. The 121.33078 rotor exemplifies this approach with its vented design and smooth surface, optimized for consistent braking and heat management.
Technical Details and Specifications
This vented disc brake rotor features a nominal thickness of 28.000 mm and a discard thickness of 26.000 mm, ensuring a clear service life indicator for safe replacement timing. The rotor’s outside diameter measures 330 mm, with an overall height of 73.700 mm, matching OEM dimensions for proper fitment on compatible vehicles. The rotor includes five lug holes spaced on a 130 mm bolt circle diameter and a center hole diameter of 85 mm, designed for secure mounting. The smooth surface finish supports even pad wear and braking efficiency. Note that this rotor does not include an ABS tone ring or bearings.
Applications and Problem Solving
- Replacement for worn or warped rotors on Audi Q7, Porsche Cayenne, and Volkswagen Touareg
- Addresses brake pulsation caused by uneven rotor surfaces
- Improves heat dissipation to reduce brake fade during extended use
- Restores proper rotor thickness for safe braking performance
- Compatible with vehicles requiring vented rotors for enhanced cooling
Installation Notes and Tips
Ensure the rotor thickness is above the discard thickness of 26.000 mm before installation. Clean the rotor surface to remove any protective coatings or contaminants. Verify the 5-lug bolt pattern and center hole diameter of 85 mm for proper fitment. Use appropriate torque specifications for mounting bolts to avoid rotor warping. Since this rotor does not include bearings or an ABS tone ring, reuse existing components or replace separately as needed.
Quality Assurance and Warranty
Centric’s C-TEK Standard Disc Brake Rotors are manufactured to meet OEM quality standards, providing reliable performance and durability. While specific warranty details are not provided here, Centric typically offers coverage against defects in materials and workmanship. Always consult product documentation or manufacturer resources for warranty terms related to part number 121.33078.
| Brand | Centric |
|---|---|
| Part Number | 121.33078 |
| Position | C-TEK Standard Disc Brake Rotors, Rear |
| ABS Tone Ring Included | No |
| Bearings Included | No |
| Center Hole Diameter | 3.346 |
| Center Hole Diameter | 85.000 |
| Disc Mounting [cntrc] | Floating / DIH |
| Discard Thickness | 1.024 |
| Discard Thickness | 26.000 |
| Misc Holes [cntrc] | 2 |
| Mounting Bolt Hole Circle Diameter | 5.118 |
| Mounting Bolt Hole Circle Diameter | 130.000 |
| Nominal Drum Diameter | 8.256 |
| Nominal Drum Diameter | 209.700 |
| Nominal Thickness | 1.102 |
| Nominal Thickness | 28.000 |
| Outside Diameter | 12.992 |
| Outside Diameter | 330.000 |
| Overall Height | 2.902 |
| Overall Height | 73.700 |
| Solid Or Vented Type Rotor | Vented |
| Stud/Lug Hole Diameter | 0.598 |
| Stud/Lug Hole Diameter | 15.200 |
| Stud/Lug Hole Quantity | 5 |
| Surface Type | Smooth |
| Vane Style [cntrc] | Straight |
| Weight [cntrc] kgs | 8.640 |
| Weight [cntrc] lbs | 19.000 |
This part fits 39 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2018 | Porsche | Cayenne | Rear | 330mm Iron Rear Discs; C-TEK Standard Disc Brake Rotors |
| 2018 | Volkswagen | Touareg | Rear | C-TEK Standard Disc Brake Rotors |
| 2017 | Porsche | Cayenne | Rear | 330mm Iron Rear Discs; C-TEK Standard Disc Brake Rotors |
| 2017 | Volkswagen | Touareg | Rear | C-TEK Standard Disc Brake Rotors |
| 2016 | Porsche | Cayenne | Rear | 330mm Iron Rear Discs; C-TEK Standard Disc Brake Rotors |
| 2016 | Volkswagen | Touareg | Rear | C-TEK Standard Disc Brake Rotors |
| 2015 | Audi | Q7 | Rear | 330mm Rear Disc; Iron Disc; C-TEK Standard Disc Brake Rotors |
| 2015 | Porsche | Cayenne | Rear | 330mm Iron Rear Discs; C-TEK Standard Disc Brake Rotors |
| 2015 | Volkswagen | Touareg | Rear | C-TEK Standard Disc Brake Rotors |
| 2014 | Audi | Q7 | Rear | 330mm Rear Disc; Iron Disc; C-TEK Standard Disc Brake Rotors |
| 2014 | Porsche | Cayenne | Rear | 330mm Iron Rear Discs; C-TEK Standard Disc Brake Rotors |
| 2014 | Volkswagen | Touareg | Rear | C-TEK Standard Disc Brake Rotors |
| 2013 | Audi | Q7 | Rear | 330mm Rear Disc; Iron Disc; C-TEK Standard Disc Brake Rotors |
| 2013 | Porsche | Cayenne | Rear | 330mm Iron Rear Discs; C-TEK Standard Disc Brake Rotors |
| 2013 | Volkswagen | Touareg | Rear | C-TEK Standard Disc Brake Rotors |
| 2012 | Audi | Q7 | Rear | 330mm Rear Disc; Iron Disc; C-TEK Standard Disc Brake Rotors |
| 2012 | Porsche | Cayenne | Rear | 330mm Iron Rear Discs; C-TEK Standard Disc Brake Rotors |
| 2012 | Volkswagen | Touareg | Rear | C-TEK Standard Disc Brake Rotors |
| 2011 | Audi | Q7 | Rear | 330mm Rear Disc; Iron Disc; C-TEK Standard Disc Brake Rotors |
| 2011 | Porsche | Cayenne | Rear | 330mm Iron Rear Discs; C-TEK Standard Disc Brake Rotors |
| 2011 | Volkswagen | Touareg | Rear | C-TEK Standard Disc Brake Rotors |
| 2010 | Audi | Q7 | Rear | 330mm Rear Disc; Iron Disc; C-TEK Standard Disc Brake Rotors |
| 2010 | Porsche | Cayenne | Rear | 330mm Iron Rear Discs; C-TEK Standard Disc Brake Rotors |
| 2010 | Volkswagen | Touareg | Rear | C-TEK Standard Disc Brake Rotors |
| 2009 | Audi | Q7 | Rear | 330mm Rear Disc; Iron Disc; C-TEK Standard Disc Brake Rotors |
| 2009 | Porsche | Cayenne | Rear | 330mm Iron Rear Discs; C-TEK Standard Disc Brake Rotors |
| 2009 | Volkswagen | Touareg | Rear | 330mm Rear Disc; 330mm or 350mm Front Disc; C-TEK Standard Disc Brake Rotors |
| 2008 | Audi | Q7 | Rear | 330mm Rear Disc; Iron Disc; C-TEK Standard Disc Brake Rotors |
| 2008 | Porsche | Cayenne | Rear | 330mm Iron Rear Discs; C-TEK Standard Disc Brake Rotors |
| 2008 | Volkswagen | Touareg | Rear | 330mm Rear Disc; 330mm or 350mm Front Disc; C-TEK Standard Disc Brake Rotors |
| 2007 | Audi | Q7 | Rear | 330mm Rear Disc; Iron Disc; C-TEK Standard Disc Brake Rotors |
| 2007 | Volkswagen | Touareg | Rear | C-TEK Standard Disc Brake Rotors |
| 2006 | Porsche | Cayenne | Rear | 330mm Iron Rear Discs; C-TEK Standard Disc Brake Rotors |
| 2006 | Volkswagen | Touareg | Rear | C-TEK Standard Disc Brake Rotors |
| 2005 | Porsche | Cayenne | Rear | 330mm Iron Rear Discs; C-TEK Standard Disc Brake Rotors |
| 2005 | Volkswagen | Touareg | Rear | C-TEK Standard Disc Brake Rotors |
| 2004 | Porsche | Cayenne | Rear | C-TEK Standard Disc Brake Rotors |
| 2004 | Volkswagen | Touareg | Rear | C-TEK Standard Disc Brake Rotors |
| 2003 | Porsche | Cayenne | Rear | Front Disc Brake Pad Set for 350mm rotors; C-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.