DuraGo BD8831 Brake Drum - Front or Rear

DuraGo BD8831 Brake Drum Overview

The DuraGo BD8831 brake drum is a cast iron rear brake component built for consistent braking performance and accurate fitment. It is a front-position drum for select Ford Mustang, Mercury Cougar, and Mercury Montego applications, with a 10-inch nominal drum diameter and full cast construction.

For buyers searching for a Ford Mustang front brake drum or a Mercury Cougar front drum replacement, the BD8831 offers the dimensions and construction needed for a direct-service repair. DuraGo BD8831 is manufactured in ISO-certified factories and reflects the brand’s long-running focus on fit, form, and function.

Key Features

• Cast iron construction for stable braking characteristics
• 10-inch nominal drum diameter with 10.09-inch maximum brake diameter discard
• 12.46-inch outside diameter and 3.76-inch overall height
• 5-bolt pattern with 4.5-inch bolt circle diameter
• 2.81-inch brake surface width for the listed applications
• Outer cooling fins included
• Center hole diameter: 2.44 inches
• Brake drum part number BD8831

Detailed Description

DuraGo BD8831 is a full cast brake drum engineered for front brake applications on 1964-1973 Ford Mustang, 1967-1972 Mercury Cougar, and 1968-1971 Mercury Montego models. The drum uses a 5-bolt, 4.5-inch bolt circle layout and is sized for a 10-inch front drum setup, making it a direct-match service part for the listed vehicles. The cast iron material and outer cooling fins support consistent heat management during normal braking use.

This part cross-references Hygrade Tuneup 1634 for the same application. If you are replacing a worn Ford Mustang front brake drum or servicing a Mercury Cougar front brake system, BD8831 provides the dimensional specifications needed for a proper replacement. The part number BD8831 is also commonly referenced in brake drum catalog searches for these classic Ford and Mercury platforms.

What This Brake Drum Helps Address

• Brake pulsation caused by drum wear or out-of-round condition
• Reduced braking contact from a worn drum surface
• Noise related to damaged or heat-affected drum surfaces
• Service issues on front drum brake systems for classic Mustang, Cougar, and Montego models
• Replacement needs when the drum reaches the 10.09-inch discard diameter

Installation Notes and Tips

Verify drum diameter, bolt pattern, center hole size, and brake surface width before installation. Confirm the vehicle uses a front 10-inch drum application and compare the existing drum to the listed dimensions for BD8831. Inspect brake shoes, wheel cylinders, and hardware condition during service so the new drum is installed on a clean, properly adjusted brake assembly.

For fitment-focused searches, this part fits 1964-1973 Ford Mustang, front; fits 1967-1972 Mercury Cougar, front; and fits 1968-1971 Mercury Montego, front. Use the part number BD8831 when matching catalog listings for these applications.

Quality Assurance

DuraGo manufactures brake drums through ISO-certified factories and builds its brake program around catalog accuracy and consistent fit, form, and function. That manufacturing approach supports dependable replacement selection for classic Ford and Mercury brake service.