The Eaton Fuller Countershaft Auxiliary Assembly, part number A-4521 or A4521, is a genuine Eaton Fuller transmission component designed for heavy-duty applications. The countershaft auxiliary assembly is a core internal drivetrain part, responsible for transmitting power through the auxiliary section of an Eaton Fuller transmission. Sourcing the correct countershaft assembly by part number is critical to proper gear mesh and transmission function. Pro Gear and Transmission carries genuine Eaton Fuller parts. Not sure this is the right part for your application? Give us a call before ordering.
Features
Genuine Eaton Fuller countershaft auxiliary assembly
Part number A-4521 or A4521
Designed for the auxiliary section of Eaton Fuller heavy-duty transmissions
Critical internal component for proper power transmission through the auxiliary gearset
Sold by Pro Gear and Transmission
