Stoptech 127.62045L Disc Brake Rotor - Rear Left

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotor 127.62045L is engineered for reliable braking performance on select Buick, Cadillac, Oldsmobile, and Pontiac models. Designed to meet the demands of vehicles like the Cadillac DeVille and Pontiac Bonneville, this rotor offers enhanced heat dissipation and consistent stopping power.

• Cross-drilled and slotted surface for improved heat and gas dissipation
• Solid rotor design with a coated hat finish for corrosion resistance
• 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) suitable for specific GM luxury and performance models
• Floating disc mounting with 5 lug holes (0.516 inches diameter) on a 4.646 inch bolt circle
• Weight approximately 10.5 lbs (4.77 kgs) for balanced performance

Product Line Details: StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors line focuses on delivering rotors that combine cross-drilled holes and precision slots to enhance braking efficiency. This design helps reduce brake fade by improving airflow and removing debris from the rotor surface. The coated hat finish adds durability by protecting against rust and corrosion, making these rotors suitable for both daily driving and spirited use on compatible Buick, Cadillac, Oldsmobile, and Pontiac vehicles.

Technical Specifications and Compatibility

This disc brake rotor features a solid construction with a nominal thickness of 0.433 inches and a discard thickness of 0.354 inches, ensuring it meets OEM standards for thickness and wear limits. The rotor’s overall height measures 1.516 inches, and it has a center hole diameter of 2.783 inches, designed to fit specific GM models including the Cadillac Seville and Buick LeSabre. The rotor does not include an ABS tone ring or bearings, and it mounts using a floating disc system with five lug holes on a 4.646 inch bolt circle diameter.

Common Applications and Problem Solving

• Reduces brake fade during extended braking on vehicles like the Pontiac Aurora and Oldsmobile Toronado
• Improves heat dissipation to prevent rotor warping and cracking
• Enhances braking response and pedal feel for Buick Park Avenue and Cadillac Eldorado
• Helps maintain consistent stopping power under heavy load or high-speed conditions
• Resists corrosion with coated hat finish, extending rotor life in humid or wet environments

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (0.354 inches) before installation
• Verify compatibility with vehicle make and model, including lug pattern and bolt circle diameter
• Use proper torque specifications on lug nuts to avoid rotor damage
• Inspect brake pads and calipers during installation for optimal performance
• Clean rotor surface with brake cleaner to remove any protective coatings before use

Quality Assurance and Warranty

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors are manufactured to meet or exceed OEM specifications for durability and performance. The coated hat finish provides additional corrosion resistance, contributing to longer service life. While specific warranty details are not provided here, StopTech products typically come with manufacturer-backed quality assurance to ensure reliability on compatible Buick, Cadillac, Oldsmobile, and Pontiac vehicles.