The Eaton Fuller X8C409 or X-8C-409 is a 1/4-20 x 5/8" hex washer head capscrew used throughout Eaton Fuller transmission assemblies. According to Eaton's illustrated parts manuals, this fastener appears in the case, shift bar housing, inertia brake assembly, and integral oil pump groups across a broad range of units, including FS-5205, FS-6406, FM-14D310B-LST, FM-15D310B-LST, FO-16D313E-LEP, and RT-series axle-transmission combinations such as the RTAO-14710B-AC and RT-14910B-AS2. With cross-references including K7042, K2402, K7041, and 3947108, sourcing the correct fastener is straightforward. Call us to confirm the right quantity for your rebuild or repair job.
Features
Genuine Eaton Fuller capscrew, part number X8C409 or X-8C-409
1/4-20 thread x 5/8" length hex washer head capscrew
Used in case, shift bar housing, inertia brake assembly, and integral oil pump groups
Fits a wide range of FS, FO, FSO, FM, FOM, RT, and RTAO series transmissions
Cross-references include K7042, K7041, K2402, and 3947108
Sold individually; call us to confirm quantity needed for your application
Tech Specs
- Thread Size: 1/4-20
- Length: 5/8"
- Head Style: Hex Washer Head Capscrew
- Cross References: K7042, K7041, K2402, 3947108, X-8C-409, X8C409SP
- Unit of Measure: Each
Used in 302 Eaton Fuller models
