DuraGo BD8504 Brake Drum - Front or Rear

Overview of DuraGo BD8504 Brake Drum

The DuraGo BD8504 brake drum is engineered for reliable braking performance on select Cadillac and Oldsmobile models. Designed with a composite construction featuring cast iron and a steel top, this brake drum meets the specific requirements of vehicles like the Cadillac DeVille and Oldsmobile Delta 88.

• Composite construction with cast iron and steel top for durability
• Nominal drum diameter of 12 inches (304.8 mm)
• Outside diameter measures 14.49 inches (368 mm)
• Brake surface width of 2.96 inches (75.2 mm)
• Five bolt holes with a bolt circle diameter of 5 inches (127 mm)
• Center hole diameter of 3.06 inches (77.7 mm)
• Compatible with Cadillac Brougham, DeVille, Fleetwood, and Oldsmobile Delta 88 models

Detailed Product Description

The DuraGo BD8504 brake drum is constructed using a composite design that combines cast iron with a steel top layer, providing a balance of strength and heat dissipation. Its nominal diameter of 12 inches (304.8 mm) and outside diameter of 14.49 inches (368 mm) ensure proper fitment and braking surface area for the specified Cadillac and Oldsmobile vehicles. The brake surface width of 2.96 inches (75.2 mm) offers sufficient contact area for brake shoes, contributing to consistent stopping power. This brake drum features five bolt holes with a 5-inch (127 mm) bolt circle diameter and 0.62 inch (15.7 mm) bolt hole diameter, matching factory specifications for secure installation. Note that this model does not include an ABS tone ring or rust-resistant coating, and it lacks outer cooling fins.

Compatible Vehicles and Applications

• Cadillac Brougham
• Cadillac DeVille
• Cadillac Fleetwood
• Oldsmobile Delta 88
• Oldsmobile 98

This brake drum is designed to replace worn or damaged drums on these specific models, restoring proper braking function and safety.

Common Issues Addressed by DuraGo BD8504 Brake Drum

• Brake drum wear causing reduced braking efficiency
• Scoring or grooves on the brake surface
• Brake noise or vibration due to uneven drum surface
• Brake drum out of round or warped
• Corrosion or damage compromising brake performance

Installation Notes and Tips

When installing the DuraGo BD8504 brake drum, ensure the mating surfaces are clean and free of debris. Verify the bolt hole alignment matches the vehicle’s hub assembly. It is recommended to inspect brake shoes and hardware for wear and replace as necessary during installation. Proper torque specifications should be followed for the five mounting bolts to ensure secure fitment. Since this brake drum does not include an ABS tone ring, confirm compatibility with the vehicle’s ABS system if applicable.

Quality Assurance and Warranty

DuraGo brake drums are manufactured to meet or exceed OEM standards for fit, form, and function. The BD8504 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.