The Eaton Fuller K-3578 or K3578 Lightning Update Kit is listed in the illustrated parts manuals for the FRLO-16410C-T2, FRLOF-16410C-T2, and FRLOF-16410C transmissions, where it appears under the Mainshaft Assembly group. The kit includes six updated components: two inner bearing races (4304212), two mainshaft gears (4304263 and 4304280), a main drive gear (4304266), a sliding clutch (4304267), and a yoke (4304265). Note that kit component A-7217, the welded countershaft assembly, is no longer available. Part 4304266 supersedes 4304110, and part 4304267 supersedes 4304242. A genuine Eaton Fuller kit available from Pro Gear and Transmission. Call us to confirm proper fit for your application.
Features
Listed in parts manuals for FRLO-16410C-T2, FRLOF-16410C-T2, and FRLOF-16410C transmissions
Covers Mainshaft Assembly group components
Includes two inner bearing races (4304212), two mainshaft gears (4304263 and 4304280), a main drive gear (4304266), a sliding clutch (4304267), and a yoke (4304265)
Main drive gear 4304266 supersedes part number 4304110; sliding clutch 4304267 supersedes 4304242
Note: kit component A-7217 (welded countershaft assembly) is no longer available
Also referenced as K3578 (no hyphen)
