Stoptech 126.62058SL Disc Brake Rotor - Rear Left

StopTech Sport Slotted Disc Brake Rotors Overview

The StopTech Sport Slotted Disc Brake Rotors (Part Number 126.62058SL) are engineered for reliable braking performance on select Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. Designed with a slotted surface and solid rotor construction, these rotors provide consistent stopping power and improved heat dissipation for enhanced brake control.

• Compatible with Buick Alero, Chevrolet Impala, Monte Carlo, Oldsmobile Intrigue, and Pontiac Grand Prix among others
• Part Number: 126.62058SL
• Slotted surface type for better pad bite and debris removal
• Solid rotor design with coated hat finish to resist corrosion
• Outside diameter of 10.945 inches (278 mm) and nominal thickness of 0.435 inches (11.040 mm)
• 5 lug holes with 0.642 inch (16.3 mm) diameter and 4.646 inch (118 mm) bolt circle diameter
• Overall height of 1.988 inches (50.5 mm) for precise fitment

StopTech Sport Slotted Disc Brake Rotors Product Line

The StopTech Sport Slotted Disc Brake Rotors line focuses on delivering enhanced braking performance through advanced rotor surface designs. The slotted rotors improve pad bite and help evacuate gases and debris generated during braking, which can reduce brake fade and maintain consistent pedal feel. This product line is tailored for drivers seeking improved braking response and durability without modifying the vehicle’s original braking system.

Technical Specifications and Features

This StopTech rotor features a solid disc design with a coated hat finish to protect against rust and corrosion. The rotor’s nominal thickness is 0.435 inches (11.040 mm), with a discard thickness of 0.354 inches (9.000 mm), ensuring a long service life before replacement is necessary. The rotor measures 10.945 inches (278 mm) in outside diameter and has an overall height of 1.988 inches (50.5 mm), matching factory specifications for a direct replacement. It includes five lug holes with a diameter of 0.642 inches (16.3 mm) arranged on a 4.646 inch (118 mm) bolt circle diameter. The center hole diameter is 2.780 inches (70.6 mm), designed for precise mounting on compatible vehicles.

Applications and Problem Solving

• Replacement for worn or warped rotors on Buick Alero, Chevrolet Monte Carlo, and Pontiac Grand Prix
• Improves braking performance by reducing brake fade during aggressive driving
• Helps eliminate brake noise and vibration caused by uneven rotor surfaces
• Prevents corrosion-related rotor damage with coated hat finish
• Maintains consistent brake pedal feel under varied driving conditions

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (0.354 inches) before installation
• Clean mounting surfaces to prevent uneven rotor seating
• Use proper torque specifications for lug nuts to avoid rotor warping
• Check compatibility with vehicle ABS systems; this rotor does not include an ABS tone ring
• Inspect brake pads for wear and replace if necessary when installing new rotors

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 here, StopTech products typically come with a limited warranty against defects in materials and workmanship. Always consult the product documentation or manufacturer for exact warranty terms.