Tech Note 3: Seal for Alternate Applcations:
I can't remember any F-350 that went through the shop that we found the Dana information to be wrong
Reusable Option
1980-1982 Original Equipment on F250 with Dana 44IFS Front Axle
QU40785 6" Long x 16 Spline 1310 Series Slip Yoke
TK40719 Premium 1350 Series U-Joint with Cold-Forged Cross warn-winch-and-accessories Tech Note 3: Seal forTK40719 Torque King Premium Quality, Non Greaseable Driveshaft or Axle U Joint is a USA Made, premium quality, heavy duty factory lubed Universal Joint for Spicer 1350 series applications. TK40719 features extra hard, cold forged, alloy steel cross, High temperature synthetic lubricant, Multi lip seals, precision ground cups, tough, durable thrust washers between the journal ends and cups, and corrosion resistant External Snap Rings. This U Joint fits