Stoptech 128.65090R Disc Brake Rotor - Rear Right

StopTech Sport Cross-Drilled Disc Brake Rotors Overview

The StopTech Sport Cross-Drilled Disc Brake Rotor 128.65090R is engineered for reliable braking performance on Ford Explorer, Explorer Sport Trac, and Mercury Mountaineer models. Designed to meet precise fitment specifications, this rotor offers consistent stopping power and durability for daily driving and light performance use.

• Compatible with Ford Explorer, Explorer Sport Trac, and Mercury Mountaineer
• Part number 128.65090R ensures exact fitment
• Solid, cross-drilled rotor surface for improved heat dissipation
• Coated hat finish to resist corrosion
• Nominal thickness of 0.476 inches (12.1 mm) with discard thickness at 0.433 inches (11.0 mm)
• Overall diameter of 11.85 inches (301 mm) and height of 2.291 inches (58.2 mm)
• Five lug holes with 4.5 inch (114.3 mm) bolt circle diameter

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

The StopTech Sport Cross-Drilled Disc Brake Rotors line is designed to provide enhanced braking performance through improved heat management. The cross-drilled surface pattern helps reduce brake fade by allowing gases and heat to escape more efficiently during braking. This rotor is solid rather than vented, offering a balance of strength and heat dissipation suitable for street and light sport applications. The coated hat finish adds corrosion resistance, extending rotor life in various driving conditions.

Technical Specifications and Features

This disc brake rotor features a solid design with a cross-drilled surface type to improve cooling and reduce brake fade. The rotor measures 11.85 inches (301 mm) in outside diameter and has an overall height of 2.291 inches (58.2 mm). It maintains a nominal thickness of 0.476 inches (12.1 mm) and a discard thickness of 0.433 inches (11.0 mm), ensuring safe replacement intervals. The rotor includes five stud/lug holes with a diameter of 0.539 inches (13.7 mm) arranged on a 4.5 inch (114.3 mm) bolt circle diameter. The center hole diameter is 3.228 inches (82 mm), designed for precise mounting. This rotor does not include an ABS tone ring or bearings.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Ford Explorer, Explorer Sport Trac, and Mercury Mountaineer
• Improves braking consistency by reducing heat buildup and brake fade
• Addresses rotor corrosion issues with coated hat finish
• Restores proper rotor thickness for safe braking performance
• Compatible with factory mounting hardware and brake systems

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness before installation
• Clean mounting surfaces to prevent rotor runout
• Use proper torque specifications on lug nuts for secure fitment
• Check compatibility with existing brake pads and calipers
• Inspect wheel bearings and replace if necessary, as bearings are not included

Quality Assurance and Warranty

StopTech Sport Cross-Drilled 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 verify warranty terms with the product supplier or manufacturer.