PowerStop AR85100XPR Disc Brake Rotor Set - Rear

Rear Brake Rotor Upgrade for Explorer Sport Trac

PowerStop AR85100XPR is a rear disc brake rotor set built for 2003-2005 Ford Explorer Sport Trac and 2003 Ford Explorer Sport applications. The drilled and slotted surface helps manage heat, dust, and moisture while maintaining a consistent friction contact patch on the rotor face.

With a direct OE fit and silver zinc dichromate plating, this rear rotor upgrade is made for drivers who want a cleaner-looking, corrosion-resistant replacement that installs without special modifications.

Key Features

• Precision cross-drilled design for improved heat dissipation during demanding braking
• Rounded slots help clear gas, dust, and moisture from the rotor surface
• Silver zinc dichromate coating resists rust and corrosion
• Direct OE fit for straightforward replacement
• Rear application for Ford Explorer Sport Trac and Ford Explorer Sport
• Part number AR85100XPR for easy identification

Product Details

Power Stop’s drilled and slotted rotor line focuses on brake cooling, surface cleaning, and OE-style fitment. AR85100XPR uses a slotted X drilled surface and a rust-resistant coating to support stable braking performance in everyday driving and harsher conditions. This rear rotor set is a practical choice for owners searching for a rear drilled and slotted brake rotor pair for 2003-2005 Ford Explorer Sport Trac or a rear brake rotor replacement for 2003 Ford Explorer Sport.

This part cross-references Raybestos Brakes 680147 for the same application.

Common Problems This Rotor Can Address

• Brake fade from heat buildup during repeated stops
• Rotor surface contamination from dust, gas, or moisture
• Rust and corrosion on exposed rotor surfaces
• Pulsation or uneven braking caused by worn rear rotors
• Need for a direct-fit rear rotor replacement on Ford Explorer Sport Trac and Explorer Sport

Installation Notes and Tips

Verify rear fitment by year, model, and rotor dimensions before installation. Confirm the 5-lug, 114.3 mm bolt circle, 11.80 in. outside diameter, and 10.50 mm nominal thickness match the vehicle’s rear brake specification. Inspect pads, caliper hardware, and hub surfaces during replacement to help ensure even rotor contact and proper braking feel.

Quality Assurance

PowerStop manufactures this rotor set as a direct OE-fit replacement with corrosion-resistant plating and a performance-oriented drilled and slotted design. Part number AR85100XPR is built to meet the dimensional and fitment requirements listed for the confirmed Ford applications.