Dynamite Friction 631-48034L Disc Brake Rotor - Front Left

Overview of Dynamite Friction DFC Brake Rotor

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-48034L) is engineered for reliable braking performance on select Chevrolet, GMC, Isuzu, and Oldsmobile vehicles. Designed with a vented, directional surface, this rotor enhances heat dissipation and braking consistency for models like the Chevrolet Blazer and GMC Jimmy.

• Disc type: Vented disc brake rotor with drilled and slotted surface
• Nominal thickness: 29 mm with discard thickness at 27.5 mm
• Overall diameter: 273 mm with a height of 54.5 mm
• Bolt pattern: 5 lug holes with 13 mm diameter and 120.7 mm bolt circle diameter
• Rust-resistant zinc silver hat finish and plain disc finish
• Directional brake surface optimized for improved water and debris evacuation

Product Line Details: DFC Brake Rotor - Drilled and Slotted - Silver

The DFC Brake Rotor - Drilled and Slotted - Silver line by Dynamite Friction focuses on rotors that combine drilled holes and slots to improve braking performance by reducing heat buildup and aiding in debris removal. This rotor features a zinc silver coated hat for corrosion resistance and a vented design to maintain optimal operating temperatures. The directional surface pattern is specifically engineered to enhance braking efficiency on compatible vehicles.

Technical Description and Specifications

This disc brake rotor is designed with a 273 mm outside diameter and a 54.5 mm overall height, suitable for vehicles requiring a 5-lug bolt pattern with 13 mm diameter holes spaced on a 120.7 mm bolt circle. The rotor’s nominal thickness is 29 mm, with a discard thickness of 27.5 mm, ensuring a clear maintenance threshold. The vented rotor design improves airflow to reduce heat, while the drilled and slotted surface helps maintain clean pad contact and consistent braking performance. The zinc silver hat finish provides rust resistance, extending the rotor’s service life.

Compatible Vehicles and Applications

• Chevrolet Blazer
• Chevrolet S10
• GMC Jimmy
• GMC Sonoma
• Isuzu Hombre
• Oldsmobile Bravada

This rotor is ideal for drivers seeking replacement parts that meet factory specifications for these models, ensuring proper fit and function.

Common Issues Addressed by This Rotor

• Brake fade caused by excessive heat buildup
• Uneven brake pad wear due to rotor surface imperfections
• Corrosion and rust on rotor hats and surfaces
• Reduced braking efficiency from debris accumulation
• Vibration or noise from warped or damaged rotors

Installation Notes and Tips

Ensure the rotor surface and hub are clean and free of rust before installation. Verify the bolt hole pattern and diameter match your vehicle’s specifications. Use proper torque settings on lug nuts to avoid rotor warping. It is recommended to replace brake pads when installing new rotors to maintain optimal braking performance.

Quality Assurance and Warranty

Dynamite Friction manufactures this rotor to meet or exceed OEM standards for durability and performance. The rust-resistant coating and vented design contribute to long service life. Please consult the manufacturer or distributor for specific warranty details related to part number 631-48034L.