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Stemco · Hardware & Fasteners
450-4973
In stock · ships from Knoxville
This is a spring-steel keeper for the Stemco Pro-Torq spindle nut system.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
Verified fitment for 2 applications
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All confirmed applications for this part number.
Freightliner
Other applications
Freightliner
Other applications
Designed to work exclusively with the Stemco 449-4973 Pro-Torq nut. Verify axle thread size and bearing part numbers before ordering.
Part data verified against 5 catalog sources
Numbers this part supersedes or interchanges with. Showing 5 of 5.
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It locks the axle nut in place to maintain correct wheel-bearing preload on heavy-duty trailer axles. You replace it when servicing wheel bearings or if the keeper becomes damaged or missing to ensure the nut does not loosen. It is typically used with 3.500-12 thread spindles and HM518445/HM518410 bearing sets.
Part Number: 450-4973
PRO TORQUE KEEPER
Unit: ea
Dealer: Knox Trailers
Compatibility, alternatives, and more
