Dynamite Friction 631-42025L Disc Brake Rotor - Rear Left

Overview of Dynamite Friction DFC Brake Rotor

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-42025L) is engineered for Jeep Grand Cherokee models requiring reliable braking performance. This solid disc brake rotor features a directional, slotted and drilled surface designed to enhance heat dissipation and maintain consistent stopping power under demanding conditions.

• Compatible with Jeep Grand Cherokee vehicles
• Solid rotor design with drilled and slotted surface
• Nominal thickness of 10.1 mm and discard thickness of 8.5 mm
• Rust-resistant zinc silver hat finish for durability
• Directional brake surface for optimized braking efficiency
• 5 bolt holes with 15.5 mm diameter and 127 mm bolt circle diameter
• Overall diameter of 305 mm and height of 75.3 mm

Detailed Product Features and Specifications

This DFC Brake Rotor - Drilled and Slotted - Silver is a solid rotor with a 305 mm outside diameter and a 75.3 mm overall height, designed to meet the exact specifications for Jeep Grand Cherokee brake systems. The rotor’s surface combines drilled holes and slots to improve water and debris evacuation, reducing brake fade and maintaining consistent friction. The directional surface pattern ensures proper rotation alignment for optimal performance. The rotor’s hat is coated with a zinc silver finish to resist rust and corrosion, extending the rotor’s service life. With a nominal thickness of 10.1 mm and a discard thickness of 8.5 mm, this rotor provides a clear maintenance threshold for safe operation.

About the DFC Brake Rotor - Drilled and Slotted - Silver Product Line

The DFC Brake Rotor - Drilled and Slotted - Silver line from Dynamite Friction focuses on delivering rotors that balance performance and durability. Featuring a plain disc finish combined with a rust-resistant zinc silver hat, these rotors are designed to withstand environmental exposure while maintaining braking efficiency. The drilled and slotted surface enhances heat dissipation and helps prevent brake pad glazing, making this product line suitable for drivers who require consistent braking under varied driving conditions.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Jeep Grand Cherokee models
• Improves braking performance by reducing heat buildup and brake fade
• Helps eliminate brake noise and vibration caused by uneven rotor surfaces
• Prevents rust and corrosion on rotor hats for longer service life
• Maintains consistent braking under wet or debris-prone conditions

Installation Notes and Tips

Ensure the rotor is installed with the directional surface oriented according to the vehicle’s rotation direction for optimal performance. Verify bolt hole alignment with the 5-lug, 127 mm bolt circle diameter pattern specific to Jeep Grand Cherokee models. Measure rotor thickness before installation to confirm it meets or exceeds the discard thickness of 8.5 mm. Properly torque lug nuts to manufacturer specifications to avoid rotor warping.

Quality Assurance and Warranty

Dynamite Friction manufactures the 631-42025L rotor to meet industry standards for durability and performance. The rust-resistant coating and precise machining contribute to consistent braking and extended rotor life. Warranty details are provided by the manufacturer and should be reviewed prior to installation.