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Stoptech 127.33087L Disc Brake Rotor - Front Left
Overview of StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors
The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors (Part Number 127.33087L) are engineered for Audi S4 models requiring reliable braking performance. These rotors feature a vented design with a slotted and cross-drilled surface to enhance heat dissipation and maintain consistent stopping power under demanding conditions.
- Compatible with Audi S4 vehicles
- Part Number: 127.33087L
- Vented disc brake rotor with cross-drilled and slotted surface
- Coated hat finish for corrosion resistance
- Floating disc mounting design
- Outside diameter: 345 mm (13.583 inches)
- Nominal thickness: 30.000 mm (1.181 inches)
- Discard thickness: 28.000 mm (1.102 inches)
- 5 stud/lug holes with 112 mm bolt circle diameter
- Weight approximately 25.5 lbs (11.59 kgs)
Product Line Details: StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors
The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors line is designed to improve braking efficiency by combining cross-drilled holes and precision slots. This design promotes better heat dissipation and helps evacuate brake dust and gases, reducing brake fade during aggressive driving. The vented rotor construction further aids in cooling, making these rotors suitable for performance-oriented Audi S4 drivers who demand consistent brake response.
Technical Specifications and Features
This disc brake rotor features a vented design with straight vanes to optimize airflow and cooling. The rotor's outside diameter measures 345 mm (13.583 inches), with a nominal thickness of 30 mm (1.181 inches) and a discard thickness of 28 mm (1.102 inches), ensuring durability and longevity. The hat is coated to resist corrosion, extending the rotor's service life. The rotor mounts using a floating disc design with a 5-lug pattern on a 112 mm bolt circle diameter, compatible with Audi S4 models. The center hole diameter is 68 mm (2.677 inches), and the rotor weighs approximately 25.5 lbs (11.59 kgs).
Common Applications and Problem Solving
- Improves brake cooling to reduce fade during spirited driving
- Enhances brake pad bite and dust evacuation with slotted and drilled surface
- Replaces worn or warped rotors on Audi S4 vehicles
- Addresses corrosion issues with coated hat finish
- Maintains consistent braking performance under heavy load or track conditions
Installation Notes and Tips
- Ensure compatibility with Audi S4 model year and specifications before installation
- Inspect brake pads and replace if worn to maximize rotor performance
- Torque lug nuts to manufacturer specifications using a star pattern
- Check rotor thickness and discard limits during installation
- Bleed brake system after installation to remove air and ensure proper brake feel
Quality Assurance and Warranty
StopTech disc brake rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The coated hat finish provides corrosion resistance to extend rotor life. While specific warranty details are not provided here, StopTech products typically come with a limited warranty against defects in materials and workmanship. Always consult product documentation or manufacturer resources for exact warranty terms.
| Brand | Stoptech |
|---|---|
| Part Number | 127.33087L |
| Position | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors, Front Left |
| ABS Tone Ring Included | No |
| Bearings Included | No |
| Center Hole Diameter | 2.677 |
| Center Hole Diameter | 68.000 |
| Disc Mounting [cntrc] | Floating |
| Discard Thickness | 1.102 |
| Discard Thickness | 28.000 |
| Hat Finish | Coated |
| Misc Holes [cntrc] | 5 |
| Mounting Bolt Hole Circle Diameter | 4.409 |
| Mounting Bolt Hole Circle Diameter | 112.000 |
| Nominal Thickness | 1.181 |
| Nominal Thickness | 30.000 |
| Outside Diameter | 13.583 |
| Outside Diameter | 345.000 |
| Overall Height | 1.862 |
| Overall Height | 47.300 |
| Solid Or Vented Type Rotor | Vented |
| Stud/Lug Hole Diameter | 0.591 |
| Stud/Lug Hole Diameter | 15.000 |
| Stud/Lug Hole Quantity | 5 |
| Surface Type | Slotted X Drilled |
| Vane Style [cntrc] | Straight |
| Weight [cntrc] kgs | 11.590 |
| Weight [cntrc] lbs | 25.500 |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2009 | Audi | S4 | Front Left | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors |
| 2008 | Audi | S4 | Front Left | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors |
| 2007 | Audi | S4 | Front Left | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors |
| 2006 | Audi | S4 | Front Left | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors |
| 2005 | Audi | S4 | Front Left | StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors |
| 2004 | Audi | S4 | Front Left | StopTech Sport Cross-Drilled & Slotted 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.