DuraGo BD8988 Brake Drum - Rear

Overview of DuraGo BD8988 Brake Drum

The DuraGo BD8988 brake drum is engineered for reliable braking performance on select Chevrolet, GMC, Isuzu, Oldsmobile, and Pontiac vehicles. Designed with a composite construction featuring cast iron and a steel top, this brake drum supports consistent stopping power for models like the Chevrolet Blazer and GMC Jimmy.

• Composite construction with cast iron and steel top for durability
• Outside diameter of 11.97 inches (304 mm) with outer cooling fins
• Brake surface width of 2.45 inches (62.2 mm) for effective braking
• Five bolt holes with a bolt circle diameter of 4.75 inches (120.65 mm)
• Nominal drum diameter of 9.5 inches (241.3 mm) and maximum discard diameter of 9.59 inches (243.59 mm)
• Center hole diameter of 2.79 inches (70.8 mm)
• ABS tone ring not included

Detailed Product Description

The DuraGo BD8988 brake drum is constructed from a composite material combining cast iron and a steel top, providing a balance of strength and heat dissipation. Its outer cooling fins help reduce heat buildup during braking, which is critical for maintaining brake performance and longevity. The brake drum measures 11.97 inches (304 mm) in outside diameter and features a brake surface width of 2.45 inches (62.2 mm), ensuring ample contact area for brake shoes. With five bolt holes arranged on a 4.75-inch (120.65 mm) bolt circle diameter, this brake drum is designed to fit securely on compatible vehicle hubs. The nominal drum diameter is 9.5 inches (241.3 mm), with a maximum discard diameter of 9.59 inches (243.59 mm), indicating when the drum should be replaced to maintain safe braking.

Compatible Vehicles and Applications

This brake drum is compatible with a range of vehicles including Chevrolet Blazer, GMC Jimmy, Isuzu Hombre, Oldsmobile models, Pontiac Firebird, and S10 series trucks such as the S10 Blazer and Sonoma. The DuraGo BD8988 is suitable for drivers seeking replacement brake drums that meet OEM specifications for these models.

• Worn or scored brake drums causing vibration or noise
• Brake drums exceeding maximum discard diameter
• Overheating issues due to insufficient cooling
• Brake fade or reduced stopping power
• Corrosion or structural damage to existing brake drums

Installation Notes and Tips

When installing the DuraGo BD8988 brake drum, ensure the hub surface is clean and free of debris to promote proper seating. Verify the bolt hole alignment matches the vehicle’s hub pattern (5 bolts on a 4.75-inch bolt circle). Since this brake drum does not include an ABS tone ring, confirm compatibility with the vehicle’s ABS system if applicable. It is recommended to inspect brake shoes and hardware during installation and replace any worn components to maintain optimal braking performance.

Quality Assurance and Warranty

DuraGo brake drums are manufactured to meet industry standards for durability and performance. The BD8988 part number undergoes rigorous quality control to ensure dimensional accuracy and material integrity. While specific warranty details are not provided, DuraGo products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.