Stoptech 127.65090L Disc Brake Rotor - Rear Left

StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotor 127.65090L is engineered for reliable braking performance on Ford Explorer, Explorer Sport Trac, and Mercury Mountaineer models. Designed to maintain consistent stopping power, this rotor features a solid construction with a coated hat finish to resist corrosion.

• Cross-drilled and slotted surface for improved heat dissipation and brake pad cleaning
• Solid rotor design with a coated hat finish for durability
• Nominal thickness of 0.476 inches (12.1 mm) with discard thickness at 0.433 inches (11 mm)
• Overall height of 2.291 inches (58.2 mm) and outside diameter of 11.85 inches (301 mm)
• Five lug holes with a 4.5 inch (114.3 mm) bolt circle diameter
• Center hole diameter of 3.228 inches (82 mm) for precise fitment
• Compatible with Ford Explorer, Explorer Sport Trac, and Mercury Mountaineer

Detailed Product Description

This StopTech Sport Cross-Drilled & Slotted Disc Brake Rotor (part number 127.65090L) is designed to meet the braking demands of mid-size SUVs like the Ford Explorer and Mercury Mountaineer. The rotor’s slotted and drilled surface helps to reduce brake fade by allowing gases and debris to escape, improving pad bite and overall braking consistency. The solid rotor construction provides a stable braking surface, while the coated hat finish protects against rust and corrosion, extending the rotor’s service life.

With a nominal thickness of 0.476 inches and a discard thickness of 0.433 inches, this rotor ensures safe replacement intervals. The precise dimensions, including an outside diameter of 11.85 inches and a five-lug bolt pattern, guarantee compatibility with specified vehicle models. The rotor does not include ABS tone rings or bearings, so it is intended for direct replacement on compatible brake systems.

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

The StopTech Sport Cross-Drilled & Slotted Disc Brake Rotors line focuses on enhancing braking performance through improved heat management and pad cleaning. Cross-drilled holes and slots work together to reduce heat buildup and remove brake dust, which helps maintain consistent braking under demanding conditions. This product line is suitable for drivers seeking a balance between everyday driving reliability and enhanced braking response on vehicles like the Ford Explorer and Mercury Mountaineer.

Common Applications and Issues Addressed

• Reduces brake fade during extended braking or towing
• Improves brake pad bite and responsiveness
• Helps prevent rotor warping caused by heat buildup
• Minimizes brake dust accumulation on pads and rotors
• Restores braking performance on worn or damaged rotors

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (0.433 inches) before installation
• Clean rotor surface to remove any protective coating before mounting
• Check compatibility with vehicle ABS systems as this rotor does not include an ABS tone ring
• Tighten lug nuts to manufacturer specifications using a star pattern
• Inspect brake pads and hardware during rotor replacement for optimal performance

Quality Assurance and Warranty

StopTech disc brake rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. The 127.65090L rotor undergoes rigorous quality control to ensure consistent thickness, balance, and surface finish. 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.