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Dana Spicer · Hardware & Fasteners
20-74-91
In stock · ships from Knoxville
The Dana Spicer 20-74-91 is a self-locking flanged locknut designed for heavy-duty truck drivelines.
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Verified fitment for 2 applications
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All confirmed applications for this part number.
Other applications
Other applications
Verify thread size and torque specs (475-525 lb-ft) for your specific application. Used primarily on Spicer driveline yokes.
Part data verified against 5 catalog sources
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It features a 1.250-18 thread size and a 2.500-inch flange diameter, providing a secure fit for pinion yokes or driveshaft components in Class 6-8 trucks. The self-locking design prevents loosening from vibration, ensuring reliable driveline performance. It is commonly replaced when servicing or rebuilding Spicer 1610 through 1810 series driveshafts.
Part Number: 20-74-91
LOCK NUT 20-74-91
Unit: ea
Dealer: Post Onsite
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