R1 Concepts Drilled & Slotted Brake Rotor

Jeep Grand Cherokee 99-04 4.0L I6

Part #: 631-42024R

Overview

The R1 Concepts Drilled & Slotted Brake Rotor is engineered specifically for the front right position on Jeep Grand Cherokee models from 1999 to 2004. Designed to enhance braking performance and reliability, this rotor is an excellent upgrade for drivers seeking improved stopping power and heat dissipation. Whether you drive a 2.5L, 4.0L inline-six, or one of the available V8 engines, this rotor fits perfectly to restore or enhance your vehicle’s braking system.

Ideal for daily drivers and off-road enthusiasts alike, this rotor combines durability with performance, helping to reduce brake fade during demanding conditions. Its drilled and slotted design promotes efficient heat and gas dissipation, ensuring consistent braking response and improved pad bite.

Key Features

R1 Concepts’ drilled and slotted rotors offer several benefits that make them a smart choice for Jeep Grand Cherokee owners:

• Drilled holes improve heat dissipation and reduce brake fade under heavy use
• Precision-machined slots help remove brake dust and gases for cleaner pad contact
• High-quality silver finish resists corrosion and enhances rotor longevity
• Direct bolt-on fitment for 1999–2004 Jeep Grand Cherokee models with multiple engine options
• Manufactured to meet or exceed OEM specifications for safety and performance
• Improved wet-weather braking by channeling water away from the rotor surface
• Balanced design minimizes vibration and noise during braking

Construction & Design

Constructed from premium-grade cast iron, the R1 Concepts rotor is engineered for strength and thermal stability. The drilled holes and precision slots are strategically placed to optimize airflow and cooling while maintaining structural integrity. The silver coating provides a protective barrier against rust and corrosion, extending the rotor’s service life even in harsh environments.

Each rotor undergoes strict quality control to ensure flatness and dimensional accuracy, which helps maintain smooth braking and prevents premature pad wear. This attention to detail ensures that the rotor performs reliably under both everyday driving and more demanding conditions.

Installation & Fitment

This rotor is designed for a direct replacement of the front right brake rotor on Jeep Grand Cherokee models from 1999 to 2004, covering a wide range of engines including 2.5L, 4.0L I6, and 4.7L, 5.2L, and 5.9L V8s. Installation requires no modifications and fits seamlessly with existing brake components. It is recommended to replace rotors in pairs for balanced braking performance.

Professional installation is advised to ensure proper torque specifications and brake system integrity. Routine inspection of brake pads and hardware during installation will help maximize the lifespan and performance of the new rotor.

What's Included

• One (1) R1 Concepts Drilled & Slotted Front Right Brake Rotor (Silver Finish)

Ideal For

This brake rotor is ideal for Jeep Grand Cherokee owners who want to upgrade their braking system for better heat management and stopping power. It suits drivers who frequently tow, carry heavy loads, or engage in off-road driving where enhanced brake performance is critical. Additionally, it is a reliable replacement part for restoring OEM braking capability with added benefits of improved cooling and pad bite.

R1 Concepts is a manufacturer and retailer specializing in automotive braking systems, offering a comprehensive catalog of brake parts for both foreign and domestic vehicles from 1930 to the present. Their product line includes OE replacements and high-performance aftermarket brake components, such as cross-drilled and slotted rotors, ceramic brake pads, and big brake kits. Enthusiasts choose R1 Concepts for their precision engineering and quality materials, which enhance braking performance and safety across various driving conditions.