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Spicer · Drivetrain
3-3-1641KX
In stock · ships from Knoxville
This is a slip yoke for the 1480 series heavy-duty driveshaft, used to connect the driveshaft to a transmission or axle while allowing for length changes during suspension travel.
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While widely used across many makes (Freightliner, Kenworth, International, etc.), specific vehicle model fitment is not directly documented in the available sources. Always confirm your U-joint series, spline count, and centerline lengths match before ordering.
Part data verified against 5 catalog sources
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It features a 1.562-inch major diameter spline with 16 teeth and a 9.500-inch length from the U-joint centerline to the end of the splines. You would replace it when the splines are worn, causing driveline vibration, slack, or if the yoke ears are damaged. It is a common service component on many Class 6–8 trucks and buses equipped with Spicer 1480 drivelines.
Part Number: 3-3-1641KX
1480 9 1/2 X 1 9/16 X 16 SLIP
Category: Driveline
Unit: ea
Dealer: Post Onsite
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