DuraGo BD8997 Brake Drum - Rear

Durable Cast Iron Brake Drum for Chevrolet and GMC 3500 Series

The DuraGo BD8997 brake drum is engineered to provide reliable braking performance for heavy-duty Chevrolet and GMC vehicles. Designed specifically for models like the Chevrolet C3500 and GMC Savana 3500, this brake drum offers a precise fit and consistent operation under demanding conditions.

• Constructed from full cast iron for strength and durability
• Outside diameter of 16.1 inches (409 mm) with outer cooling fins for heat dissipation
• Nominal drum diameter of 13 inches (330.2 mm) with a brake surface width of 4.02 inches (102 mm)
• Equipped with 8 bolt holes, each 0.61 inches (15.5 mm) in diameter, on a 6.5 inch (165.1 mm) bolt circle diameter
• Center hole diameter measures 4.59 inches (116.7 mm) for accurate mounting
• Compatible with Chevrolet and GMC heavy-duty vans and trucks including Express 3500, G30, K3500, P30, and P3500

Technical Details and Construction

The BD8997 brake drum is made from full cast iron, providing the necessary strength to withstand the stresses of heavy braking. Its 16.1-inch outside diameter and integrated outer cooling fins help dissipate heat effectively, reducing the risk of brake fade during extended use. The drum’s nominal diameter of 13 inches ensures compatibility with factory specifications for Chevrolet and GMC 3500 series vehicles. With 8 bolt holes arranged on a 6.5-inch bolt circle diameter, installation aligns precisely with the vehicle’s hub assembly. The brake surface width of 4.02 inches offers ample contact area for brake shoes, contributing to consistent stopping power.

Compatible Vehicles and Applications

This brake drum is designed for use on heavy-duty Chevrolet and GMC models, including:

• Chevrolet C3500
• Chevrolet Express 3500
• GMC G30
• GMC K3500
• GMC P30 and P3500
• GMC Savana 3500

It is ideal for restoring braking performance on these vehicles, especially in commercial or fleet applications where durability and reliability are critical.

Common Issues Addressed by the BD8997 Brake Drum

• Brake drum wear causing reduced braking efficiency
• Overheating and brake fade during heavy load or extended braking
• Vibration or noise due to warped or damaged drums
• Corrosion-related surface damage affecting brake shoe contact
• Improper fitment leading to uneven brake wear

Installation Notes and Tips

When installing the DuraGo BD8997 brake drum, ensure the hub and mounting surfaces are clean and free of debris. Verify the bolt hole alignment with the vehicle’s hub assembly before tightening bolts to the manufacturer’s torque specifications. It is recommended to inspect brake shoes and hardware during installation and replace any worn components to maintain optimal braking performance. Since this brake drum does not include an ABS tone ring, verify ABS sensor compatibility separately if applicable.

Quality Assurance and Warranty

DuraGo brake drums are manufactured to meet or exceed OEM specifications for fit, form, and function. The BD8997 part number undergoes rigorous quality control to ensure durability and consistent braking performance. While specific warranty details may vary, DuraGo typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.