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Webb · Brakes & Wheel End
66864B
In stock · ships from Knoxville
The Webb 66864B is a balanced, outboard-mount brake drum designed for 16.5-inch by 7-inch brake systems commonly found on heavy-duty trucks and trailers.
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Verified fitment for 3 applications
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All confirmed applications for this part number.
International
Other applications
International
Other applications
Standard-duty drum. For severe-service or vocational applications, use Webb 66884B or equivalent heavy-duty replacement (e.g., 151.6701BA).
Part data verified against 5 catalog sources
Numbers this part supersedes or interchanges with. Showing 6 of 6.
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It provides the friction surface for the brake shoes to press against during stopping, converting kinetic energy into heat. This drum is replaced when it becomes worn beyond its maximum wear diameter of 16.62 inches, develops heat cracks, or is out-of-round, ensuring safe and reliable braking performance.
Part Number: 66864B
BRAKE DRUM 16.5X7.0
Category: Brakes
Unit: ea
Dealer: Post Onsite
Compatibility, alternatives, and more
Parts commonly needed alongside brakes & wheel end
