Stoptech 127.62045R Disc Brake Rotor - Rear Right

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotor (Part Number 127.62045R) is engineered for reliable braking performance on select Buick, Cadillac, Oldsmobile, and Pontiac vehicles. Designed to meet the demands of models such as the Allante, Aurora, Bonneville, DeVille, Eldorado, LeSabre, Park Avenue, Riviera, Seville, and Toronado, this rotor offers enhanced heat dissipation and consistent stopping power.

• Cross-drilled and slotted surface for improved heat dissipation and brake pad cleaning
• Solid rotor design with a coated hat finish to resist corrosion
• Nominal thickness of 0.433 inches (11.000 mm) with discard thickness at 0.354 inches (9.000 mm)
• Overall diameter of 11.071 inches (281.200 mm) and height of 1.516 inches (38.500 mm)
• Floating disc mounting for controlled rotor movement and reduced stress
• Five lug holes with a 4.646 inch (118.000 mm) bolt circle diameter
• Weight approximately 10.5 lbs (4.77 kgs) for balanced performance

About the StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Line

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors line is designed to provide enhanced braking performance through improved rotor cooling and pad bite. The cross-drilled holes and slots help evacuate gases, dust, and water from the rotor surface, reducing brake fade and maintaining consistent friction. This product line is suitable for drivers seeking a balance between everyday driving reliability and sportier braking response on compatible Buick, Cadillac, Oldsmobile, and Pontiac models.

Technical Specifications and Compatibility

This disc brake rotor features a solid construction with a coated hat finish to protect against rust and corrosion. The rotor’s nominal thickness is 0.433 inches (11.000 mm), with a discard thickness of 0.354 inches (9.000 mm), ensuring a clear maintenance threshold. The rotor measures 11.071 inches (281.200 mm) in outside diameter and 1.516 inches (38.500 mm) in overall height. It includes five lug holes with a diameter of 0.516 inches (13.100 mm) arranged on a 4.646 inch (118.000 mm) bolt circle diameter. The center hole diameter is 2.783 inches (70.700 mm). This rotor does not include ABS tone rings or bearings and is designed for floating disc mounting.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Buick Allante, Cadillac DeVille, and Pontiac Bonneville
• Improves brake pad contact by reducing glazing and heat buildup
• Helps prevent brake fade during extended or aggressive braking
• Addresses rotor corrosion issues with coated hat finish
• Restores braking performance on vehicles experiencing vibration or noise from damaged rotors

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness 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 as this rotor does not include an ABS tone ring
• Inspect brake pads and replace if worn to optimize rotor performance

Quality Assurance and Warranty

StopTech disc brake rotors are manufactured to meet or exceed OEM specifications 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.