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Eaton · Drivetrain
127588
In stock · ships from Knoxville
This heavy-duty lock nut (commonly called a yoke nut) secures the output shaft or inter-axle differential shaft in Eaton commercial truck drive axles.
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Verified fitment for 3 applications
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All confirmed applications for this part number.
Other applications
Other applications
OEM Eaton part often listed as a thru-shaft lock nut. Verify your exact axle model; cross-referenced aftermarket versions may have minor dimensional differences (e.g., hex size).
Part data verified against 5 catalog sources
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It is essential for maintaining bearing preload and preventing the shaft from loosening under torque. Replace it during differential overhauls or when threads are damaged.
Part Number: 127588
YOKE NUT 127588
Category: Driveline
Unit: ea
Dealer: Post Onsite
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