Dynamite Friction 631-42043L Disc Brake Rotor - Rear Left

Overview of the DFC Brake Rotor for Jeep Wrangler

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-42043L) is engineered specifically for Jeep Wrangler models. Designed to enhance braking performance, this disc brake rotor features a directional, drilled and slotted surface to improve heat dissipation and maintain consistent stopping power under demanding conditions.

• Compatible with Jeep Wrangler models
• Directional drilled and slotted surface for improved brake cooling
• Nominal thickness of 22 mm with a discard thickness of 20 mm
• Rust-resistant zinc silver hat finish
• 5 bolt holes with 17 mm diameter and 127 mm bolt circle diameter
• Outside diameter of 350 mm and height of 76.67 mm
• Plain disc finish with zinc silver coated hat for corrosion resistance

Detailed Product Features and Specifications

This DFC Brake Rotor - Drilled and Slotted - Silver is constructed with a 350 mm outside diameter and a height of 76.67 mm, making it a precise fit for Jeep Wrangler brake systems. The rotor’s nominal thickness is 22 mm, with a discard thickness of 20 mm, ensuring reliable service life and clear replacement indicators. The rotor features a directional surface type combining drilled holes and slots, which helps to reduce brake fade by allowing gases and debris to escape efficiently during braking.

The rotor’s hat is finished with a zinc silver coating that provides rust resistance, extending the rotor’s durability in various driving environments. It includes five bolt holes with a diameter of 17 mm and a bolt circle diameter of 127 mm, matching the Jeep Wrangler’s wheel hub specifications. The center hole diameter measures 72 mm, and the rotor is designed with five stud/lug holes to ensure secure mounting.

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

The DFC Brake Rotor - Drilled and Slotted - Silver line by Dynamite Friction focuses on delivering rotors that balance performance and durability. This product line features rotors with drilled and slotted surfaces to improve heat dissipation and maintain consistent braking under stress. The silver zinc coating on the hat enhances corrosion resistance, making these rotors suitable for vehicles like the Jeep Wrangler that may encounter off-road or harsh weather conditions.

Common Applications and Problem Solving

• Improves brake cooling to reduce fade during heavy braking
• Helps prevent rotor warping caused by excessive heat buildup
• Reduces brake dust and debris accumulation on the rotor surface
• Maintains consistent braking performance in wet or muddy conditions
• Extends rotor life with rust-resistant coating for longevity

Installation Notes and Tips

When installing the 631-42043L rotor on a Jeep Wrangler, ensure the rotor surface is clean and free of any protective coatings before mounting. Verify that the bolt hole pattern and center hole diameter align correctly with the vehicle hub. Use proper torque specifications for the lug nuts to avoid rotor distortion. It is recommended to inspect brake pads and hardware during installation to ensure optimal braking system performance.

Quality Assurance and Warranty

Dynamite Friction manufactures the 631-42043L rotor to meet industry standards for durability and performance. The rust-resistant zinc silver coating adds protection against corrosion, contributing to the rotor’s longevity. Please refer to Dynamite Friction’s official warranty policy for specific coverage details related to this brake rotor.