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Stoptech 126.42094SL Disc Brake Rotor - Front Left
StopTech Sport Slotted Disc Brake Rotors Overview
The StopTech Sport Slotted Disc Brake Rotors (Part Number 126.42094SL) are engineered for enhanced braking performance on Nissan Armada and Infiniti QX56 models. These vented, slotted rotors provide improved heat dissipation and consistent stopping power under demanding driving conditions.
- Compatible with Nissan Armada and Infiniti QX56
- Part Number: 126.42094SL
- Vented disc brake rotor design for better cooling
- Slotted surface type to reduce brake fade and improve pad bite
- Coated hat finish for corrosion resistance
- Floating disc mounting for thermal expansion
- Overall diameter: 350 mm (13.78 inches)
- Nominal thickness: 30.0 mm (1.181 inches)
- Discard thickness: 28.5 mm (1.122 inches)
- 6 lug holes with 140 mm bolt circle diameter
Detailed Product Description
The StopTech Sport Slotted Disc Brake Rotors are designed specifically for the Nissan Armada and Infiniti QX56, ensuring precise fitment and reliable braking performance. Featuring a vented rotor design with straight vanes, these rotors promote efficient heat dissipation to reduce the risk of brake fade during extended use. The slotted surface enhances pad bite and helps evacuate gases and debris from the braking surface, maintaining consistent stopping power.
The rotor’s hat is coated to resist corrosion, extending the rotor’s service life. With an overall diameter of 350 mm and a nominal thickness of 30 mm, these rotors meet OEM specifications for durability and performance. The floating disc mounting allows for thermal expansion, reducing the risk of warping under high temperatures. The 6-lug hole pattern with a 140 mm bolt circle diameter ensures compatibility with the specified vehicle models.
StopTech Sport Slotted Disc Brake Rotors Product Line
The StopTech Sport Slotted Disc Brake Rotors line focuses on delivering performance-oriented rotors that balance durability and enhanced braking characteristics. This product line incorporates slotted surfaces and vented designs to improve heat management and braking consistency, making it suitable for drivers who require reliable stopping power in both daily driving and more demanding conditions. The 126.42094SL rotor is a part of this line, tailored for Nissan Armada and Infiniti QX56 applications.
Common Applications and Problem Solving
- Reduces brake fade during heavy braking or towing
- Improves brake pad bite and responsiveness
- Minimizes rotor warping caused by heat buildup
- Prevents corrosion on rotor hats for longer service life
- Ensures consistent braking performance for Nissan Armada and Infiniti QX56
Installation Notes and Tips
- Verify compatibility with Nissan Armada or Infiniti QX56 before installation
- Check rotor thickness and discard limits to ensure safe use
- Ensure proper torque on lug nuts to manufacturer specifications
- Inspect brake pads and calipers during rotor replacement
- Follow vehicle manufacturer guidelines for brake system maintenance
Quality Assurance and Warranty
StopTech Sport Slotted 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, StopTech products typically come with a limited warranty against defects in materials and workmanship. Always consult product documentation or the manufacturer for exact warranty terms.
| Brand | Stoptech |
| Part Number | 126.42094SL |
| Position | StopTech Sport Slotted Disc Brake Rotors, Front Left |
| Discard Thickness | 1.122 |
| Discard Thickness | 28.500 |
| Nominal Thickness | 1.181 |
| Nominal Thickness | 30.000 |
| Hat Finish | Coated |
| Overall Height | 1.705 |
| Overall Height | 43.300 |
| Outside Diameter | 13.780 |
| Outside Diameter | 350.000 |
| ABS Tone Ring Included | No |
| Surface Type | Slotted |
| Solid Or Vented Type Rotor | Vented |
| Bearings Included | No |
| Center Hole Diameter | 3.232 |
| Center Hole Diameter | 82.100 |
| Mounting Bolt Hole Circle Diameter | 140.000 |
| Mounting Bolt Hole Circle Diameter | 5.512 |
| Stud/Lug Hole Quantity | 6 |
| Stud/Lug Hole Diameter | 0.528 |
| Stud/Lug Hole Diameter | 13.400 |
| Disc Mounting [cntrc] | Floating |
| Misc Holes [cntrc] | 0 |
| Vane Style [cntrc] | Straight |
| Weight [cntrc] kgs | 12.930 |
| Weight [cntrc] lbs | 28.450 |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2007 | INFINITI | QX56 | Front Left | 350mm Front Disc; Akebono Front Caliper; StopTech Sport Slotted Disc Brake Rotors |
| 2007 | Nissan | Armada | Front Left | To 3/07; StopTech Sport Slotted Disc Brake Rotors |
| 2006 | INFINITI | QX56 | Front Left | 350mm Front Disc; Akebono Front Caliper; StopTech Sport Slotted Disc Brake Rotors |
| 2006 | Nissan | Armada | Front Left | 350mm Front Disc; Fr 3/06; Akebono Front Caliper; StopTech Sport Slotted Disc Brake Rotors |
| 2005 | INFINITI | QX56 | Front Left | 350mm Front Disc; Akebono Front Caliper; Fr 10/05; StopTech Sport Slotted Disc Brake Rotors |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.