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Spicer · Drivetrain
170-4-521-1X
In stock · ships from Knoxville
This is an SPL170 series end yoke that bolts onto the output shaft of heavy-duty truck transmissions, linking the transmission to the driveshaft.
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Verified fitment for 3 applications
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All confirmed applications for this part number.
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Other applications
Fits many Fuller and Meritor/Rockwell heavy-duty transmissions; verify exact transmission model before ordering. SPL170 series, strap-style yoke.
Part data verified against 5 catalog sources
Numbers this part supersedes or interchanges with. Showing 7 of 7.
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It uses a 2.750-inch, 10-spline bore to slide onto the output shaft and secures the universal joint with a strap-style retainer. You typically replace this yoke when it's worn, damaged, or during a driveline overhaul to restore smooth power transfer and eliminate vibration.
Part Number: 170-4-521-1X
END YOKE 170-4-521-1X
Category: Driveline
Unit: ea
Dealer: Post Onsite
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