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Silverback · Brakes & Wheel End
39BD22BW
In stock · ships from Knoxville
This is a 16.5-inch diameter by 7-inch wide balanced brake drum for heavy‑duty trucks and trailers with 10‑hole mounting.
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Other applications
Other applications
Primarily used on over‑the‑road drive and trailer axles. Always verify by cross‑referencing the original drum part number before ordering.
Part data verified against 5 catalog sources
Numbers this part supersedes or interchanges with. Showing 10 of 10.
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It’s designed for over‑the‑road S‑cam air brake systems and intended as a direct replacement for worn or cracked drums. When drums exceed their maximum allowable diameter or develop heat checks and scoring, replacing them with this balanced drum helps restore smooth, vibration‑free braking and reduces wear on suspension and tires.
Part Number: 39BD22BW
BRAKE DRUMS 16.5x7 66864B/FLT4400B/3922X
Unit: ea
Dealer: KP Services Crossville
Compatibility, alternatives, and more
Parts commonly needed alongside brakes & wheel end