The Eaton Fuller Reverse Idler Gear, part number 4304319, is a genuine OEM gear listed in the reverse idler gear assembly group of five Eaton Fuller transmission models: F-5405B-DM3, F-6405B-DM3, FO-5406B-DM3, FO-6406B-DM3, and FSB-5406B. Each of those units' own illustrated parts manuals lists this gear as a single-quantity component (item 20 in group: Reverse Idler Gear Assembly). Call us to confirm proper fit for your specific transmission build.
Features
Genuine Eaton Fuller OEM reverse idler gear, part number 4304319
Listed as item 20, quantity 1, in the Reverse Idler Gear Assembly group
Verified fitment across five Eaton Fuller transmission models: F-5405B-DM3, F-6405B-DM3, FO-5406B-DM3, FO-6406B-DM3, and FSB-5406B
Sold individually as a single-unit replacement component
Available from Pro Gear and Transmission
Used in these Eaton Fuller models
