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Automann · Brakes & Wheel End
209.T3250
In stock · ships from Knoxville
A unitized, single-piece spindle nut for heavy-duty truck drive axles.
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Fits drive axles; not for steer or trailer axles. Verify thread size (3-1/4"-12) and W.A.F. (4.00") before ordering. See [dieselpartscenter.com](https://dieselpartscenter.com/products/automann-209t3250-unitized-spindle-nut-assy) and [mpparts.com](https://mpparts.com/part/automann-209-t3250-unitized-spindle-nut-assembly-209t3250) for detailed application lists.
Part data verified against 4 catalog sources
Numbers this part supersedes or interchanges with. Showing 6 of 6.
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It replaces traditional three-piece jam nut systems, allowing precise bearing preload adjustment with just a torque wrench and socket, which reduces service time and helps extend wheel bearing and seal life [dieselpartscenter.com](https://dieselpartscenter.com/products/automann-209t3250-unitized-spindle-nut-assy). Used on tandem axle assemblies rated 30,000 to 46,000 lbs, this nut ensures proper wheel end retention. Typically replaced during wheel end service when threads are damaged or when upgrading to a more reliable single-piece design.
Part Number: 209.T3250
SPINDLE NUT
Dealer: KP Services Crossville
Compatibility, alternatives, and more
Parts commonly needed alongside brakes & wheel end
