Eaton Fuller 4304615 Three-Sided Mainshaft Key

Product Overview

Genuine Eaton Fuller 4304615 three-sided mainshaft key for supported manual-transmission mainshaft assemblies. Eaton catalogs identify it as a replacement for 4300120 in applicable models.

Application and Service Notes

Confirm the transmission model and serial number, mainshaft assembly, keyway dimensions, key position, mating gear or washer, quantity, and original key. Internal service must follow the exact Eaton parts list and overhaul manual.

Please confirm 4304615, the transmission tag, mainshaft, key profile, keyway, position, and quantity before ordering.

Parts Verification and Ordering Notice

Please confirm the part number, dimensions, position, and application before ordering.

Technical References and OEM Documentation

• Eaton Inforanger — Parts Catalog
• Eaton Download Center — Overhaul Manuals