Shifter Isolator Bushing Kit For Eaton Fuller Transmissions K3399 21244 23311 And Automann M23311E M23311EUB DT1437 DT1438 Freightliner Kenworth International Peterbilt

Shifter Isolator Bushing Kit for Fuller Transmissions
✔️ Fits K3399, 21244/23311, Automann M23311E/M23311UB, full kit

This shifter isolator bushing kit replaces worn bushings in Eaton Fuller transmissions and Automann lines, reducing play and vibration in the shift linkage. It's commonly used in heavy-duty trucks such as Freightliner, Kenworth, International, Peterbilt, Mack, Volvo, and more.

✅ Includes 1 shifter isolation bushing, 2 step bushings, 1 shoulder bolt, and 1 lock nut
✅ Compatible with K3399, 21244/23311, Automann M23311E/M23311UB family
✅ Durable construction for harsh transmission environments
✅ Reduces shift play and vibration for smoother gear changes
✅ Easy DIY installation with included hardware

💡 What is a shifter isolator bushing kit used for in heavy duty truck transmissions?

- Handy for replacing worn bushings to restore shift feel - Improves alignment and reduces slop and vibrations - Compatible with Eaton Fuller, Automann, and related K3399 families - Easy DIY install with included hardware