DuraGo BD920170 Brake Drum - Rear

DuraGo BD920170 Brake Drum Overview

The DuraGo BD920170 brake drum is a cast iron replacement drum built for vehicles that use a 12.6 in. nominal drum diameter and a 6-lug bolt pattern. It is a full cast design with a 14.8 in. outside diameter, 4.5 in. brake surface width, and 7.52 in. overall height for a direct-fit brake service application.

Key Features

• Cast iron construction for dependable braking performance
• Full cast design for a traditional drum brake replacement
• 12.6 in. nominal drum diameter and 12.66 in. maximum brake diameter discard
• 6 bolt holes with an 8.75 in. bolt circle diameter
• 4.5 in. brake surface width for the specified drum brake setup
• Center hole diameter of 6.77 in. and overall height of 7.52 in.
• Manufactured by ISO-certified factories to support fit, form, and function requirements

Detailed Description

DuraGo brake drums are produced for professional repair use and cataloged for first-to-market coverage across a wide range of brake applications. Part number BD920170 follows the brand’s focus on dimensional accuracy and consistent manufacturing standards, making it a practical choice when replacing a worn or out-of-spec rear drum. This brake drum is built from cast iron and uses a full cast construction to match the original drum brake architecture on the intended vehicle application. For shoppers searching for a DuraGo brake drum BD920170 or a brake drum for a 6-lug truck or SUV application, this part provides the core dimensions needed for proper brake service.

This part cross-references Anchor 9604 and Four Seasons 35078 for the same application.

What This Brake Drum Helps Address

• Brake pulsation caused by a worn or out-of-round drum surface
• Reduced rear braking performance from excessive drum wear
• Noise from a drum that has exceeded service limits
• Brake service needs on vehicles requiring a 12.6 in. nominal drum diameter
• Replacement needs for a 6-lug drum brake assembly

Installation Notes and Tips

Verify drum diameter, bolt circle, center hole diameter, and brake surface width against the original part before installation. Measure the existing drum and confirm it is within the service limits for your vehicle before reuse of related brake components. For fitment-based searches, this brake drum is commonly referenced for compatible truck and SUV rear brake applications, including DuraGo BD920170 brake drum replacement needs on select 6-lug platforms. If your vehicle uses drum brakes, confirm the axle and brake configuration before ordering.

Quality Assurance

DuraGo states that its brake drum and rotor program is manufactured in ISO-certified factories and built to meet fit, form, and function requirements. The brand has more than 45 years of aftermarket manufacturing history, and BD920170 reflects that catalog-driven approach to brake replacement parts. For buyers comparing DuraGo BD920170 against other brake drum options, the emphasis is on dimensional consistency and professional-grade manufacturing standards.