Stoptech 126.42081SL Disc Brake Rotor - Rear Left

StopTech Sport Slotted Disc Brake Rotors Overview

The StopTech Sport Slotted Disc Brake Rotors (Part Number 126.42081SL) are engineered for enhanced braking performance on select Nissan and Infiniti models. Designed with precision, these solid, slotted rotors provide reliable stopping power and improved heat dissipation for vehicles like the Nissan Armada, Pathfinder Armada, QX56, and TITAN.

• Compatible with Nissan Armada, Pathfinder Armada, TITAN, and Infiniti QX56
• Part Number: 126.42081SL
• Solid rotor design with slotted surface for improved brake pad bite
• Coated hat finish for corrosion resistance
• Outside diameter: 12.598 inches (320 mm)
• Nominal thickness: 0.551 inches (14 mm); discard thickness: 0.472 inches (12 mm)
• Overall height: 2.283 inches (58 mm)
• 6 lug holes with 5.5 inch (139.7 mm) bolt circle diameter
• Center hole diameter: 3.228 inches (82 mm)
• Weight: approximately 17 lbs (7.73 kg)

Detailed Product Description

The StopTech Sport Slotted Disc Brake Rotors feature a solid rotor construction with precision-machined slots across the braking surface. These slots help to evacuate gases, dust, and water, maintaining consistent brake pad contact and reducing the risk of brake fade during demanding driving conditions. The coated hat finish protects the rotor from corrosion, extending its service life. With a nominal thickness of 0.551 inches (14 mm) and a discard thickness of 0.472 inches (12 mm), these rotors meet strict specifications for safe and effective braking performance. The rotor’s 6-lug hole pattern and 5.5 inch (139.7 mm) bolt circle diameter ensure proper fitment on compatible Nissan and Infiniti models.

StopTech Sport Slotted Disc Brake Rotors Product Line

The StopTech Sport Slotted Disc Brake Rotors line is designed for drivers seeking improved braking response and durability without modifying their vehicle’s original brake system. This product line focuses on slotted rotors that enhance pad bite and heat dissipation, making them suitable for both daily driving and light performance applications. The 126.42081SL rotor is part of this line, offering a balance of performance and reliability for Nissan Armada, Pathfinder Armada, TITAN, and Infiniti QX56 owners.

Common Applications and Problem Solving

• Reduces brake fade during heavy braking or towing
• Improves brake pad cleaning and debris removal
• Enhances stopping power and pedal feel
• Prevents rotor corrosion with coated hat finish
• Maintains consistent braking performance under varied conditions

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness before installation
• Clean mounting surface and hub to prevent runout
• Torque lug nuts to manufacturer specifications for proper fitment
• Check compatibility with ABS sensors as this rotor does not include an ABS tone ring
• Use with compatible brake pads designed for slotted rotors

Quality Assurance and Warranty

StopTech Sport Slotted Disc Brake Rotors are manufactured to meet or exceed OEM standards for fit, form, and function. Each rotor undergoes strict quality control to ensure durability and performance. While specific warranty details are not provided here, StopTech products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or manufacturer resources for exact warranty terms.