*** !! AVAILABILITY & SUBSTITUTION ALERT !! *** <br>*** DUE TO CRITICAL MANUFACTURER AVAILABILITY <br>*** KIT COMPONENTS MAY BE AUTOMATICALLY SUBSTITUTED <br>*** TO PREMIUM AFTERMARKET BRANDS OR FACTORY O.E. COMPONENTS) <br><br>DANA/SPICER - AXLE INNER TUBE SEAL KIT (UPGRADED) - COMPATIBLE WITH FORD SUPERDUTY F250 F350 DANA 50 60 FRONT 99-04 (& 05 EXCURSION) with LEAF SPRING FRONT SUSPENSION<br><br>UPGRADED 2 PIECE DESIGN PROVIDES SUPERIOR OIL SEALING, EVEN WHEN THE SEAL SURFACE AREA OF THE INNER AXLE SHAFT HAS DETERIORATED<br><br>(2)2019816