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Stoptech 126.47023SR Disc Brake Rotor - Rear Right
Overview of StopTech Sport Slotted Disc Brake Rotors
The StopTech Sport Slotted Disc Brake Rotors, part number 126.47023SR, are engineered for Subaru Impreza models requiring reliable braking performance. These vented, slotted rotors provide enhanced heat dissipation and improved brake pad bite for consistent stopping power.
- Compatible with Subaru Impreza vehicles
- Vented disc design for effective heat management
- Slotted surface type to reduce brake fade and improve pad cleaning
- Coated hat finish to resist corrosion
- 5-lug bolt pattern with 4.5-inch bolt circle diameter
- Nominal thickness of 0.787 inches (20.000 mm) and discard thickness of 0.709 inches (18.000 mm)
- Overall diameter of 12.441 inches (316.000 mm)
- Center hole diameter of 2.283 inches (58.000 mm)
- Weight approximately 17.5 lbs (7.95 kgs)
StopTech Sport Slotted Disc Brake Rotors Product Line
The StopTech Sport Slotted Disc Brake Rotors line focuses on performance-oriented rotors designed to improve braking efficiency and durability. Featuring a vented rotor design with pillar-style vanes, these rotors enhance airflow to reduce heat buildup during aggressive driving. The slotted surface helps maintain pad contact and removes debris, making them suitable for both street and light track use. The coated hat finish adds corrosion resistance, extending rotor life in various driving conditions.
Technical Specifications and Features
This disc brake rotor features a vented design with pillar-style vanes that promote optimal cooling. The slotted surface type improves pad bite and helps evacuate gases and dust generated during braking. The rotor has a nominal thickness of 0.787 inches (20.000 mm) and a discard thickness of 0.709 inches (18.000 mm), ensuring a clear service limit for safe operation. The overall diameter measures 12.441 inches (316.000 mm), with a center hole diameter of 2.283 inches (58.000 mm) and a 5-lug bolt pattern on a 4.5-inch (114.3 mm) bolt circle diameter. The rotor’s hat is coated to resist corrosion, and the rotor weighs approximately 17.5 lbs (7.95 kgs).
Applications and Problem Solving
- Replacement for worn or warped rotors on Subaru Impreza models
- Improves brake cooling to reduce fade during spirited driving
- Slotted design helps maintain consistent pad contact and braking performance
- Coated finish protects against rust and corrosion in wet or salty environments
- Supports enhanced braking response for daily driving and occasional track use
Installation Notes and Tips
- Ensure compatibility with Subaru Impreza models before installation
- Check rotor thickness and discard limits to confirm serviceability
- Use proper torque specifications for the 5-lug mounting pattern
- Inspect brake pads and hardware during rotor replacement for optimal performance
- Break in new rotors and pads according to manufacturer recommendations
Quality Assurance and Warranty
StopTech Sport Slotted Disc Brake Rotors are manufactured to meet strict quality standards for durability and performance. The coated hat finish provides corrosion resistance to extend rotor life. While specific warranty details are not provided here, StopTech products typically come with manufacturer-backed warranties covering defects in materials and workmanship. Always consult the product documentation or manufacturer for exact warranty terms.
| Brand | Stoptech |
|---|---|
| Part Number | 126.47023SR |
| Position | StopTech Sport Slotted Disc Brake Rotors, Rear Right |
| ABS Tone Ring Included | No |
| Bearings Included | No |
| Center Hole Diameter | 2.283 |
| Center Hole Diameter | 58.000 |
| Disc Mounting [cntrc] | Floating / DIH |
| Discard Thickness | 0.709 |
| Discard Thickness | 18.000 |
| Hat Finish | Coated |
| Max PB Drum Dia [cntrc] in | 7.520 |
| Max PB Drum Dia [cntrc] mm | 191.000 |
| Misc Holes [cntrc] | 2 |
| Mounting Bolt Hole Circle Diameter | 4.500 |
| Mounting Bolt Hole Circle Diameter | 114.300 |
| Nominal Drum Diameter | 7.480 |
| Nominal Drum Diameter | 190.000 |
| Nominal Thickness | 0.787 |
| Nominal Thickness | 20.000 |
| Outside Diameter | 12.441 |
| Outside Diameter | 316.000 |
| Overall Height | 2.657 |
| Overall Height | 67.500 |
| Solid Or Vented Type Rotor | Vented |
| Stud/Lug Hole Diameter | 0.508 |
| Stud/Lug Hole Diameter | 12.900 |
| Stud/Lug Hole Quantity | 5 |
| Surface Type | Slotted |
| Vane Style [cntrc] | Pillar |
| Weight [cntrc] kgs | 7.950 |
| Weight [cntrc] lbs | 17.500 |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2007 | Subaru | Impreza | WRX STI | Rear Right | StopTech Sport Slotted Disc Brake Rotors |
| 2007 | Subaru | Impreza | WRX STI Limited | Rear Right | StopTech Sport Slotted Disc Brake Rotors |
| 2006 | Subaru | Impreza | WRX STI | Rear Right | StopTech Sport Slotted Disc Brake Rotors |
| 2005 | Subaru | Impreza | WRX STI | Rear Right | StopTech Sport 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.