The Eaton Fuller Compression Spring, part number 21880, is a genuine Eaton Fuller transmission component designed for heavy-duty applications. Compression springs in Fuller transmissions serve critical functions in shift mechanisms, synchronizer assemblies, and detent systems, maintaining proper preload and positional control throughout the gear shift cycle. Sourced directly through Pro Gear and Transmission, part number 21880 is the correct OEM reference to specify when ordering this spring. Call us to confirm proper fitment for your specific transmission model before ordering.
Features
Genuine Eaton Fuller part number 21880
Compression spring for heavy-duty Fuller transmission applications
OEM specification component for precise fit and function
Correct part number reference for shift mechanism and detent applications
Sold by Pro Gear and Transmission
