The Eaton Fuller 4304590 is a countershaft drive gear for manual transmissions, documented as item 11 in the countershaft assembly group of the RTLO-18610B-T2, RTLO-18610B, and RTLOF-18610B illustrated parts manuals. Two units are called out per assembly in those manuals. If you are verifying this fits your specific transmission build, call us and we can help confirm the right part for your application.
Interchanges:
- FUL4304590
- HF4304590
- ZBF4304590
- Mack 3088-4304590
Features
Countershaft drive gear for Eaton Fuller manual transmissions
Documented as item 11 in the countershaft assembly group
Two units required per assembly per factory parts manual
Fits RTLO-18610B-T2, RTLO-18610B, and RTLOF-18610B transmissions
Used in these Eaton Fuller models
