Dynamite Friction 631-48045L Disc Brake Rotor - Rear Left

Overview of DFC Brake Rotor - Drilled and Slotted - Silver

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver (part number 631-48045L) is engineered for reliable braking performance on select Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab models. Designed with a vented, directional surface, this rotor enhances heat dissipation and braking consistency for vehicles such as the Trailblazer, Envoy, and Jimmy.

• Disc type: Vented disc brake rotor with drilled and slotted surface
• Nominal thickness: 20 mm with discard thickness at 18.5 mm
• Overall diameter: 325 mm and height: 85 mm
• Hat finish: Zinc silver coating for corrosion resistance
• Rust resistant coating applied to extend rotor life
• Bolt hole quantity: 6 with 13.2 mm diameter, bolt circle diameter: 127 mm
• Directional brake surface optimized for heat and debris management

Detailed Product Description

This DFC Brake Rotor - Drilled and Slotted - Silver from Dynamite Friction features a vented design that improves airflow to reduce heat buildup during braking. The rotor’s surface is both drilled and slotted, which helps evacuate gases, dust, and water, maintaining consistent brake pad contact and reducing the risk of brake fade. The zinc silver hat finish and rust resistant coating protect against corrosion, ensuring durability in various driving conditions. With a nominal thickness of 20 mm and a discard thickness of 18.5 mm, this rotor meets precise specifications for safe replacement.

Compatible Vehicles and Applications

This rotor is compatible with a range of vehicles including Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab models. Specifically, it fits models such as the 9-7x, Ascender, Bravada, Envoy, Envoy XL, Envoy XUV, Jimmy, Rainier, SSR, Trailblazer, and Trailblazer EXT. The part number 631-48045L ensures correct fitment for these applications, providing a direct replacement for worn or damaged rotors.

• Reduces brake fade caused by overheating
• Improves braking performance in wet conditions
• Minimizes brake dust buildup on wheels
• Prevents rotor warping through enhanced heat dissipation
• Restores braking efficiency on compatible Buick and Chevrolet SUVs

Installation Notes and Tips

When installing the 631-48045L rotor, ensure the rotor surface is clean and free of any protective coatings before mounting. Use proper torque specifications for the 6 lug bolts with 13.2 mm diameter holes and a 127 mm bolt circle diameter. Verify the rotor’s directional surface is oriented correctly to maintain optimal performance. It is recommended to replace brake pads simultaneously to ensure even wear and braking efficiency.

Quality Assurance and Warranty

Dynamite Friction’s DFC Brake Rotor - Drilled and Slotted - Silver is manufactured to meet or exceed OEM standards for fit, form, and function. The rust resistant coating and zinc silver hat finish contribute to long-term durability. While specific warranty details are not provided here, Dynamite Friction products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.