PowerStop Semi Coated Rear Rotor

2018–2025 Jeep Wrangler 2.0L Turbo / 3.6L V6 / 6.4L 392 / 3.0L EcoDiesel

Part #: AR8389SCR

Overview

The PowerStop Semi Coated Rear Rotor is a premium direct replacement brake rotor designed specifically for Jeep Wrangler models from 2018 through 2025, including various engine options such as the 2.0L Turbo, 3.6L V6, 6.4L 392, and 3.0L EcoDiesel. Engineered to provide reliable stopping power and enhanced durability, these rotors offer an affordable upgrade for drivers seeking improved brake performance and corrosion resistance without compromising OEM fitment or function.

Ideal for Jeep enthusiasts who demand dependable braking on and off the road, the PowerStop Semi Coated Rear Rotor combines quality materials with a protective coating to maintain a clean, corrosion-free appearance behind modern alloy wheels. This rotor is a straightforward bolt-on replacement that matches original equipment specifications, ensuring a seamless installation experience.

Key Features

PowerStop’s Semi Coated Rear Rotors are crafted to deliver consistent braking performance while resisting rust and corrosion in critical areas. Key features include:

• Partial silver epoxy coating on the rotor hat, outer edge, and vanes to prevent corrosion
• Direct bolt-on replacement designed to match OEM weight and vane count for precise fitment
• Durable iron construction engineered for long-lasting performance and heat dissipation
• Compatible with multiple Jeep Wrangler engines including 2.0L Turbo, 3.6L V6, 6.4L 392, and 3.0L EcoDiesel
• Maintains a clean, attractive appearance behind alloy wheels by reducing surface rust
• Manufactured to meet or exceed original equipment specifications for safety and reliability
• Ideal for daily driving, light off-road use, and moderate towing applications

Construction & Design

These rotors are constructed from high-quality cast iron, chosen for its excellent thermal conductivity and wear resistance. The semi-coated design features a silver epoxy finish applied strategically to the rotor hat, outer edge, and cooling vanes—areas most susceptible to corrosion. This coating not only protects the rotor from rust but also helps maintain a factory-fresh look over time, especially important for vehicles with exposed alloy wheels.

The rotor’s vane count and overall weight are engineered to match original equipment, ensuring balanced braking performance and compatibility with the Jeep Wrangler’s braking system. This attention to detail helps preserve the vehicle’s handling characteristics and brake pedal feel.

Installation & Fitment

The PowerStop Semi Coated Rear Rotor is designed as a direct bolt-on replacement for the rear brakes of Jeep Wrangler models from 2018 to 2025, covering multiple engine variants. Installation requires no modifications, making it an ideal upgrade for DIY enthusiasts and professional mechanics alike. Simply remove the factory rotor and install the PowerStop rotor using existing hardware and mounting points.

Because these rotors are engineered to OEM specifications, they fit precisely and work seamlessly with the factory brake calipers and pads, ensuring reliable braking performance immediately after installation.

What's Included

• One PowerStop Semi Coated Rear Rotor (per axle)

Ideal For

This rotor is perfect for Jeep Wrangler owners looking to replace worn or rusted rear rotors with a high-quality, corrosion-resistant option. It suits daily drivers, off-road adventurers, and those who tow or haul moderately, providing dependable braking performance and enhanced rotor longevity. The semi-coated finish also appeals to enthusiasts who want their brake components to look as good as they perform.

PowerStop builds complete, vehicle-specific brake upgrade kits—pads, rotors, hardware and more—designed as an easy bolt-on way to improve stopping performance. With options aimed at towing, spirited street driving, and more aggressive use, PowerStop is a popular choice when you want a straightforward brake upgrade with better feel and confidence than stock.