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Timken · Brakes & Wheel End
3979
In stock · ships from Knoxville
This is a tapered roller bearing cone designed for heavy-duty truck wheel ends and some driveline applications.
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Verified fitment for 5 applications
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All confirmed applications for this part number.
International
Other applications
International
Other applications
Also used as an input shaft/through-shaft bearing in some Eaton tandem rear axles (frontmost axle) on 1984-up Chevrolet/GMC medium-duty trucks. Verify exact axle model and position before ordering.
Part data verified against 5 catalog sources
Numbers this part supersedes or interchanges with. Showing 12 of 12.
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It supports radial and thrust loads, allowing the wheel hub or shaft to rotate smoothly. Replacing this bearing during routine hub service or when wear, noise, or looseness is detected helps prevent premature failure and maintains safe operation.
Part Number: 3979
BEARING
Vendor: Weller Truck Parts
Dealer: Knox Trailers
Compatibility, alternatives, and more
Parts commonly needed alongside brakes & wheel end
