The Eaton Fuller Auxiliary Countershift, part number 13773, is a transmission drivetrain component designed for Eaton Fuller auxiliary section applications. The auxiliary countershift is a critical rotating element within the auxiliary gearbox, working in tandem with the mainshaft gears to deliver the correct output ratio. If you are sourcing this part for a specific truck or transmission model, give us a call and we can help confirm proper fitment before you order.
Features
Eaton Fuller part number 13773
Auxiliary countershift for Eaton Fuller transmission auxiliary section
Genuine Eaton Fuller transmission drivetrain component
Sold by Pro Gear and Transmission
Call us to verify fitment for your specific transmission model
